Kicker Chandler Catanzaro of the Arizona Cardinals kicks an extra point against the Kansas City Chiefs during a pre-season NFL game at the University of Phoenix Stadium on Aug. 15 in Glendale, Ariz. Christian Petersen/Getty Images hide caption

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Serena Williams en route to winning the Western & Southern Open in Cincinnati on Sunday. Tannen Maury/EPA/Landov hide caption

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NFL commissioner Roger Goodell addresses the Pro Football Hall of Fame Gold Jacket Ceremony in Canton, Ohio, on Thursday. The NFL Players Union has sued to get a judge to void Goodell's four-game suspension of Tom Brady in the "deflategate" scandal. Gene J. Puskar/AP hide caption

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Los Angeles Angel Mike Trout (left) and Washington National Bryce Harper during warmups before the start of an April 2014 baseball game in Washington. Pablo Martinez Monsivais/AP hide caption

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Actor Jake Gyllenhaal stars in Southpaw, a new movie about a junior middleweight boxing champion who faces adversity. Scott Garfield/The Weinstein Company hide caption

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Kelly Hirano, vice president of engineering, demonstrates the Yahoo Sports Daily Fantasy contest during a product launch in July in San Francisco. Yahoo has designed this experience for the mobile fantasy player and offers Daily Fantasy, Full Season Fantasy, and real-time sports news and scores as an all-in-one experience. Eric Risberg/AP hide caption

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Head coach Jill Ellis of the United States celebrates with fans after the USA's 5-2 victory against Japan in the FIFA Women's World Cup Canada 2015 Final in July. Kevin C. Cox/Getty Images hide caption

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Reporters and Major League Baseball employees watch a demonstration of new statistics made possible by technology upgrades at baseball stadiums during an April 20 news conference in New York. Seth Wenig/AP hide caption

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A giant All-Star Game sign at Great American Ballpark during a baseball game between the Cincinnati Reds and Washington Nationals, on May 30 in Cincinnati. John Minchillo/AP hide caption

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Patriots quarterback Tom Brady walks to the sideline during this year's Super Bowl against the Seattle Seahawks. Christian Petersen/Getty Images hide caption

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New England Patriots quarterback Tom Brady gestures during an event at Salem State University in Salem, Mass. on May 7, 2015. An NFL investigation has found that New England Patriots employees likely deflated footballs and Brady was "at least generally aware" of the rules violations. Now, he faces a four-game suspension and the Patriots a $1 million fine. Charles Krupa/AP hide caption

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Decathlon gold medalist Bruce Jenner throws the javelin during an Olympic competition in Montreal on July 30, 1976. AP hide caption

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"Hot Rod" Hundley (right) does postgame commentary with Ron Boone after the Utah Jazz-Seattle SuperSonics game on May 5, 2000, in Salt Lake City. Douglas C. Pizac/AP hide caption

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San Francisco 49ers linebacker Chris Borland, center, during an NFL football game in Santa Clara, Calif. Borland announced that he will retire after just one season to protect himself from brain injuries. Marcio Jose Sanchez/AP hide caption

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Arizona State fans showcase their Curtain of Distraction during a game against UCLA on Feb. 18 in Tempe, Ariz. Rick Scuteri/AP hide caption

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