Upon Further Review: A Brief History of Instant Replay

Steven Branscombe, Getty Images
Steven Branscombe, Getty Images

© Ron Sachs/CNP/Corbis

Instant replay in sports has sparked about as much controversy as it has eliminated since the feature was introduced more than 50 years ago, but it's hard to imagine watching games today without it. Here's a look back at the men behind the invention and how various sports have incorporated the use of instant replay through the years.

Instant Replay Pioneer

George Retzlaff, a Toronto-based producer for the Canadian Broadcasting Corporation's wildly popular "Hockey Night in Canada," used a hot processor to produce a wet-film replay of a goal during the 1955-56 season.

Retzlaff annoyed the advertising agency that sponsored the show by not providing advanced notice that he was planning to employ this innovative technique, and the program's other production studio in Montreal didn't have the equipment to replicate the method, so Retzlaff never used it again. Still, Retzlaff's not-quite-instant replay was a seminal moment in the history of sports broadcasting and ranks No. 24 on the CBC's list of the greatest Canadian inventions of all time.

The Origins of Videotape-Based Replay

Tony Verna, who was hired as a director at CBS by future Dallas Cowboys general manager and NFL innovator Tex Schramm, had experimented with videotape while working the 1960 Rome Olympics. Verna spent a lot of time directing football games and was determined to find an interesting way to fill the lulls in the action between snaps. He also wanted to be able to show viewers the game that was taking place away from the ball on a given play. "If it didn't happen on TV, it didn't happen," Verna told Joe Starkey of the Pittsburgh Tribune-Review in 2003. Verna eventually developed a system—using audio tones added to the cue track of the videotape—that enabled him to rewind to the point just before the ball was snapped on the previous play for instant playback.

Instant Replay's Big Debut

Verna debuted his instant replay technique on December 7, 1963, during the annual Army-Navy football game. While technical glitches with the 1,200-pound videotape machine that Verna had transported to Philadelphia's Municipal Stadium prevented him from using the feature in earlier in the game—one replay camera was focused on Navy quarterback Roger Staubach and another on Army quarterback Rollie Stichweh throughout the day—it was finally introduced on Stichweh's one-yard touchdown run in the fourth quarter. As the touchdown was replayed at full speed, and therefore indistinguishable from live action, play-by-play man Lindsey Nelson declared, "This is not live! Ladies and gentlemen, Army did not score again." According to Verna, the first replay tape, which has since been lost, was recorded over a tape that included episodes of I Love Lucy. Verna went on to a distinguished career in television and detailed the invention of instant replay in a 2008 book.

Early Spread and Opinions of Instant Replay

Instant replay slowly became more ubiquitous. In 1965, the New York Times reported on a new feature of baseball broadcasts on ABC, which was the first network to use slow motion replay. "At least one station plans to introduce 'instant replay' and also a 'stop motion' or 'freeze' technique that could prove whether a base umpire's call on a runner was in reality right or wrong," Val Adams wrote. "The day of reckoning for umpires may be near." Former baseball slugger Ralph Kiner, a commentator for the Mets, had a different opinion. "I never saw the camera yet that could countermand an umpire, considering that the camera angle is just as prone to error as anything else," Kiner said. "In fact, video tapes seem to show how few mistakes umpires make."

A Costly and Useful Innovation

Instant replay, especially in the early days, was an expensive production. In 1966, the Pacific 8 college football conference voted to outlaw the television device that enabled football coaches to view instant replays on the field. Most of the schools that voted against the device, which provided a competitive advantage, did so because of the cost associated with purchasing one. There were other instances when coaches wondered when instant replay would be adopted to improve the game. One such example came in 1966, when Florida defeated rival Florida State in a game that featured a controversial finish. Officials ruled that FSU receiver Lane Fenner was out of bounds when he caught what would have been the winning touchdown. "I know it's a judgment call and there is nothing I can do about it," Florida State head coach Bill Peterson said. "But with all the electronic devices we have in football, why don't we have videotape or something like it to help officials?" Dave Nelson, a secretary for the NCAA, replied, "It is not true that pictures don't lie." College football wouldn't adopt a form of instant replay to determine calls until 2004.

In-Stadium Discretion

While leagues didn’t initially adopt instant replay for use by umpires and officials, teams took advantage of the technology to improve the in-stadium experience for fans. In April 1977, the four-man umpiring crew of a game between the Braves and Astros in Atlanta left the field in protest of the scoreboard operator’s decision to show a controversial replay. Predictably, the crowd began to boo the umpires after the replay revealed that they had made an incorrect call. The umpires received word from Braves management that close plays would not be replayed in the future before returning to the field. In fact, the Braves installed a former major league umpire in the press box to decide whether a specific play was too controversial to show.

One year earlier, the New York Yankees were fined $1,000 and reprimanded by the league after using their instant replay scoreboard to “produce fan reaction against the umpires.” A Yankees team spokesman responded in The New York Times, “We would like to point out that we have only the fans in mind when we use our scoreboard for instant replays. The board cost us $30 million and we see no reason why fans at the ballgame should see any less than the fans at home.” Today, most leagues have policies about what replays can be shown in stadiums and arenas. In the NFL, only the broadcast feed is shown on video screens and it must not be shown after the referee makes his call. You’re unlikely to see a replay of a close play on the scoreboard at a baseball game, especially a questionable ball or strike call.

The NFL’s Trial Run and Instant Replay Adoption

The NFL implemented a trial run of instant replay during seven preseason games in 1978. “We’ll do a dry run on the replay on officiating decisions,” Commissioner Pete Rozelle told reporters. “We’re not going to implement anything, but it will be part of a study.” In 1986, the NFL approved replay for use in regular season games. A game official in the press box reviewed plays on the same feed that viewers at home saw and had the authority to reverse any call that was “totally conclusive.” The league mandated that any replay decision be made within 15 to 20 seconds so as not to disrupt the flow of the game. “It will be expensive,” Tex Schramm said at the time. “But money doesn’t make any difference to this league.”

Communication between the replay official and the on-field was initially a problem. During a Monday night game early in the season, the on-field officials nullified a Denver Broncos touchdown because of what they ruled was an illegal forward lateral. The official in the replay booth reviewed the play and determined that the call was wrong, but by that point the Broncos had already run another play. Toward the end of the season, The New York Times and CBS Sports conducted a poll about the system. Sixty-six percent of fans thought it improved the game; 20 percent thought it made the game worse. Coaches and owners voted to drop replay in 1992, complaining that it slowed the pace of games, but voted 28-3 in favor of reinstating it as a challenged-based system before the 1999 season.

Baseball Resists

Perhaps in the interest of preserving the heritage of America’s national pastime, baseball has been the most hesitant of the major sports to adopt replay. In 1988, MLB Commissioner Peter Ueberroth declared, "There will not be instant replay of any sort. We're just not going to do it. The umpires making split-second decisions is part of the flavor of the game. We don't want to lose that flavor. You can make a dish so bland that it's not worth sitting down at the table." Ueberroth’s announcement came one week after an umpire used a scoreboard replay to reverse one of his calls.

In 2008, the league instituted replay of disputed home run calls. This season, Armando Galarraga’s imperfect perfect game, in which first base umpire Jim Joyce botched a call on what should have been the final out of the game, brought baseball’s replay debate front and center once again. The Little League World Series began using instant replay in 2008 and switched to a challenge-based system this year. Each manager receives one challenge per game, and if the umpire's call is overturned, the coach retains his or her challenge.

Replay Rules and Systems in Other Sports

Here is a sampling of how replay is currently used in other sports:

National Hockey League: The NHL began using instant replay in 1991. In 2003, the league adopted a replay system that took the responsibility of making controversial calls out of the hands of an in-stadium replay official and bestowed it upon NHL staffers watching every game live from a Toronto office often referred to as the “War Room.” In addition to reviewing disputed goals, the office staffers, who have access to every television broadcast of every game, watch for illegal hits that may warrant a suspension or fine.

National Basketball Association: The NBA began using instant replay to review last-second shots after the 2001-2002 season. Since then, instant replay has been expanded to include reviews of flagrant fouls and to determine if a field goal attempt was a 2-pointer or a 3-pointer. Replay is also used to review possible 24-second shot clock violations and to determine which player last touched the ball before it went out of bounds during the last 2 minutes of regulation and overtime.

Tennis: The Hawk-Eye computer system, which processes the trajectory of a ball using several video cameras and displays a computer rendering of the ball’s path, has been used to review disputed tennis calls since 2006. In 2008, the sport’s various organizing bodies developed a uniform system of rules for utilizing the technology and decided a player would be allowed three unsuccessful challenges per set. Cricket uses the Hawk-Eye system to help determine difficult calls as well.

Soccer: Instant replay isn’t used, though some fans would like to see that change, especially after some of the disputed calls at this year’s World Cup.

Instant Replay Outside of Sports

In 1967, the Federal Highway Administration announced that it would repurpose Verna’s innovation and use video and replay capabilities to monitor busy intersections. According to an article in The New York Times, the FHWA developed a video device that would be triggered by the sound of a crash at a busy intersection. The resulting signal would preserve the video from 20 seconds before impact, which aided in the investigation and analysis of collisions. Today, the U.S. military uses the same technology the NFL uses for instant replay to analyze thousands of hours of video from Afghanistan and Iraq.

How Thomas Jefferson's Obsession With Mastodons Partly Fueled the Lewis and Clark Expedition

James St. John, Flickr // CC BY 2.0
James St. John, Flickr // CC BY 2.0

By the 1800s, American mastodons—prehistoric relatives of the elephant—had been extinct for roughly 10,000 years. Thomas Jefferson didn’t know that, though. The Founding Father dreamed of finding a living, breathing mastodon in America, and this lofty goal ended up being a motivating force throughout much of his life. Even during the Revolutionary War, and even when he ran for the highest office in the land, he had mastodons on the mind. Jefferson was convinced that the hairy beasts still roamed the continent, probably somewhere on the uncharted western frontier, and he was determined to find them—or, at the very least, enlist a couple of intrepid explorers by the names of Meriwether Lewis and William Clark to do the hunting on his behalf.

The Corps of Discovery departed from St. Louis on May 14, 1804 and headed into the great unknown of the Louisiana Purchase in search of an all-water route to the Pacific. The adventurers made many discoveries on the two-and-a-half-year round trip—mapping the geography of the region and logging hundreds of species of flora and fauna unknown to science—but the directive to look for mastodons is a little-known footnote to their famous expedition.

At the start of their trip, Jefferson instructed Lewis and Clark to be on the lookout for “the remains and accounts of any [animal] which may be deemed rare or extinct.” Although he didn’t mention mastodons specifically—at least not in any of the written correspondence on record—the two explorers were all too familiar with Jefferson’s mammoth ambition. “Surely Jefferson still had the M-word in mind, and surely Lewis knew it,” author Robert A. Saindon writes in Explorations Into the World of Lewis and Clark, Volume 2.

Jefferson had long been interested in paleontology, but his mastodon obsession was fueled by a longstanding beef he had with a French naturalist who thought America’s animals and people were puny. Jefferson’s bone-collecting hobby quickly evolved into a mission to assert America’s dominance in the Western world and prove that it was "a land full of big and beautiful things," as journalist Jon Mooallem put it in his book, Wild Ones. Indeed, there are worse ways to become a political and cultural heavyweight than to prove your country is home to a 12,000-pound monster.

A Rivalry Forms

Georges-Louis Leclerc, Comte de Buffon
Georges-Louis Leclerc, Comte de Buffon

François-Hubert Drouais, Wikimedia Commons // Public domain

For much of his adult life, Jefferson was an avid collector of fossils and bones. At various points in time, he owned a bison fossil, elk and moose antlers, giant ground sloth fossils, and naturally, a number of mastodon bones.

Though his original interest may have been purely academic, Jefferson's exposure to the writings of French naturalist Georges-Louis Leclerc, Comte de Buffon fanned the flames of his obsession. Buffon’s “Theory of American Degeneracy,” published in the 1760s, postulated that the people and animals of America were small and weak because the climate (he assumed, without much evidence) was too cold and wet to encourage growth.

Jefferson was furious. He formulated a rebuttal, which partly drew attention to the inconsistencies in Buffon's beliefs about the mastodon. Buffon suggested that the American mastodon was a combination of elephant and hippopotamus bones, but because Jefferson had inspected the bones, he knew that the measurements didn't match those of previously known species. Instead, Jefferson argued that the bones belonged to a different animal entirely. (Although they’re distinct species, woolly mammoths and mastodons were lumped into the same category at the time, and were called one of two names: mammoths or the American incognitum.)

“The skeleton of the mammoth … bespeaks an animal of five or six times the cubic volume of the elephant,” Jefferson wrote. He later scaled back his argument a bit, adding, “But to whatever animal we ascribe these remains, it is certain such a one has existed in America, and that it has been the largest of all terrestrial beings.”

He didn’t just believe that mastodons had existed at one point in time, though—he believed they were still out there somewhere. It wasn’t unusual for thinkers and scientists of Jefferson's era to assume that bones were evidence of a still-living species. After all, dinosaurs had not yet been discovered (though their bones had been found, no one would call them dinosaurs until the early 19th century), and the concept of extinction wasn’t widely accepted or understood. Dominant religious beliefs also reinforced the idea that God’s creations couldn't be destroyed.

For his part, Jefferson believed that animals fell into a natural order, and that removing a link in “nature’s chain” would throw the whole system into disarray. Taking the tone of a philosopher, he once questioned, “It may be asked, why I insert the Mammoth, as if it still existed? I ask in return, why I should omit it, as if it did not exist?”

This position may have been partly fueled by wishful thinking. Jefferson believed that tracking down a living mastodon would be the most satisfying way to stick it to Buffon and say, “I told you so.” (In the meantime, though, he had to settle for a dead moose, which he sent overseas to the Frenchman’s doorstep in Paris to prove that large animals did, in fact, exist in America.)

The Hunt Continues

A painting of The Exhumation of the Mastadon

This 1806 painting by Charles Willson Peale, titled The Exhumation of the Mastadon, shows mastodon bones being excavated from a water-filled pit.

Charles Willson Peale, Wikimedia Commons // Public domain

In late 1781, Jefferson wrote to his buddy George Rogers Clark in the Ohio valley and asked him to fetch some mastodon teeth from a nearby "mastodon boneyard" in northern Kentucky called Big Bone Lick. “Were it possible to get a tooth of each kind, that is to say a foretooth, grinder, &c, it would particularly oblige me,” Jefferson wrote. Clark politely explained that the possibility of Native American attacks made this task impossible, but he was able to procure a thighbone, jaw bone, grinder, and tusk from travelers who had managed to visit the frontier.

However, Jefferson didn’t receive Clark's reply until six months later in August 1782 (because of, you know, the Revolutionary War). Although the war technically didn't end until the following year, peace talks between the two sides were nearing a conclusion, and everybody knew it. With an end to the conflict in sight, Jefferson doubled down on his request for mastodon bones. He wrote to Clark, “A specimen of each of the several species of bones now to be found is to me the most desireable object in Natural History, and there is no expence of package or of safe transportation which I will not gladly reimburse to procure them safely.”

Later, while serving as America’s first Secretary of State, Jefferson supported a proposed Western exploration that would have preceded the Lewis and Clark expedition. Before the expedition was called off, Jefferson had instructed the would-be explorer, French botanist André Michaux, to look for mastodons along the way. He wrote to Michaux in 1793, “Under the head of Animal history, that of the Mammoth is particularly recommended to your enquiries.”

Even when Jefferson turned his attention to national politics and ran for president against incumbent John Adams in 1800, he was still thinking about mastodons. His preoccupations were so widely known that his opponents, the Federalists, called him a “mammoth infidel” in reference to his unusual hobby and supposed secular leanings. As an 1885 article in the Magazine of American History recalled, “When Congress was vainly trying to untangle the difficulties arising from the tie vote between Jefferson and [Aaron] Burr, when every politician at the capital was busy with schemes and counter-schemes, this man, whose political fate was balanced on a razor’s edge, was corresponding with [physician and professor] Dr. [Caspar] Wistar in regard to some bones of the mammoth which he had just procured from Shawangunk, Ulster County.”

Once president, Jefferson used his office to further the field of paleontology. Not long after he was elected, he loaned one of the Navy’s pumps to artist and naturalist Charles Willson Peale, who wanted to extract a pile of freshly unearthed mastodon bones from a water-filled pit. It ultimately became the first fossilized skeleton to ever be assembled in America.

Of course, there is also evidence that Jefferson silently hoped Lewis and Clark would stumble upon a living mastodon during their expedition, which formally kicked off in 1804 and ended in 1806. That, as we now know, was impossible. After their return, Jefferson sent William Clark on a second assignment to collect artifacts from Big Bone Lick. He sent three big boxes of bones back to Jefferson, who got to work unloading and studying them in the East Room of the White House—the same room where John and Abigail Adams once hung their laundry.

Still, something wasn’t quite right, and Jefferson may have known it even then. By 1809, the animal in question had been identified and given the name mastodon, and Jefferson started to reverse some of his previously held opinions. In a letter to William Clark, he conceded that the mastodon was not a carnivore, as he once believed, but an herbivore. "Nature seems not to have provided other food sufficient for him," he wrote, "and the limb of a tree would be no more to him than a bough of cotton tree to a horse."

Accepting the Mastodon’s Fate

Thomas Jefferson
National Archive/Newsmakers

The fact that Lewis and Clark never spotted any giants roaming out West may have helped Jefferson accept the inevitable: Mastodons had gone extinct long ago. Waxing poetic in a letter to John Adams in 1823, Jefferson wrote, “Stars, well known, have disappeared, new ones have come into view, comets, in their incalculable courses, may run foul of suns and planets and require renovation under other laws; certain races of animals are become extinct; and, were there no restoring power, all existences might extinguish successively, one by one, until all should be reduced to a shapeless chaos.”

Although he was unsuccessful in his quest to find a living mastodon, Jefferson made other meaningful contributions to the field of paleontology. The fossils of another mysterious creature he believed to be a lion were later revealed to be that of a giant ground sloth. He named it Megalonyx (Greek for “great claw”), and in 1822, the extinct creature was renamed Megalonyx jeffersonii in Jefferson’s honor.

Nowadays, the ground sloth fossils—and several other items that formed the "cabinet of curiosities" Jefferson displayed at his Monticello estate—are part of The Academy of Natural Science collection at Drexel University. Considering that Jefferson is sometimes called "the founder of North American paleontology,” it would appear he got his revenge against Buffon after all.

CBS Is Live-Streaming Its 1969 Coverage of the Apollo 11 Launch Right Now on YouTube

The Saturn V rocket lifts off with the Apollo 11 mission on July 16, 1969.
The Saturn V rocket lifts off with the Apollo 11 mission on July 16, 1969.
NASA, Wikimedia Commons // Public Domain

Today is the 50th anniversary of the July 16, 1969 launch of the Apollo 11 mission, which resulted in the first Moon landing in history. CBS News is commemorating the momentous event with a YouTube live stream of its special coverage from that day, which you can watch below.

CBS anchor Walter Cronkite brought all the thrill and wonder of the takeoff into the homes of countless Americans, and he also introduced them to three soon-to-be-famous astronauts: former Navy pilot Neil Armstrong, Air Force colonel Edwin “Buzz” Aldrin, and former Air Force fighter pilot (and experimental test pilot) Michael Collins.

Cronkite chronicled the astronauts’ journey from their 4:15 a.m. breakfast at the command space center to Kennedy Space Center’s launch station 39A, where they boarded the Saturn V rocket. CBS sports commentator Heywood Hale Broun reported from the Florida beach itself, interviewing spectators who were hoping to witness history happen in real time. “I just hope they make it successfully and have no problem," said a visitor from California.

In the final seconds before liftoff, Cronkite counted down, not knowing what the future of the mission would hold.

Tune into the live stream below, or check out the highlights from CBS News here.

[h/t CBS News]

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