Indianapolis Colts quarterback Peyton Manning meets with Carolina Panthers quarterback Cam Newton after an NFL game in Indianapolis in 2011. Manning and Newton will square off in the 50th Super Bowl, in Santa Clara, Calif., on Sunday. The two quarterbacks were No. 1 overall draft picks 13 years apart. AJ Mast/AP hide caption
Olympic team members stand on the field as the Olympic flag flies at half-staff during a memorial service in the Munich Olympic Stadium in Germany on Sept. 6, 1972. Eleven Israeli team members were killed by Arab guerrillas at the Summer Olympic Games. A crowd of 80,000 filled the stadium to capacity. AP hide caption
Charlotte Hornets' Jeremy Lindrives past Sacramento Kings' Omri Casspi in the second half of a game on Nov. 23. The Hornets won 127-122 in overtime. The Kings haven't won a championship since 1951. Chuck Burton/AP hide caption
Members of the University of Missouri Tigers football team return to practice Nov. 10 at Memorial Stadium in Columbia, Mo. Michael B. Thomas/Getty Images hide caption
Kansas City Chiefs outside linebacker Justin Houston (second from left) shakes hands with Detroit Lions wide receiver Calvin Johnson after the NFL football game between the Lions and Chiefs at Wembley Stadium in London on Nov. 1. Matt Dunham/AP hide caption
New England Patriots head coach Bill Belichick signals from the sideline in the second half of an NFL game against the Miami Dolphins on Thursday in Foxborough, Mass. Michael Dwyer/AP hide caption
Devlin D'Zmura, a news manager at daily fantasy sports company DraftKings on Sept. 9. Customers of the two biggest daily fantasy sports websites — DraftKings and FanDuel — filed at least four lawsuits against the sites in October 2015. The customers accused the sites of cheating, and argued they wouldn't have played had they known employees with insider knowledge were playing on rival sites. Stephan Savoia/AP hide caption
In this Sept. 15, 1930, photo, coach Knute Rockne puts his football proteges through the first football drill of the season at Cartier Field, South Bend, Ind. Rockne finished his career with an .860 winning percentage and delivered the famous "Win one for the Gipper" speech. AP hide caption
The public share to pay for construction of a new Minnesota Vikings football stadium is reportedly $498 million. Jim Mone/AP hide caption
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
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
Derek Jeter attends the launch party for his new website, The Players' Tribune, on Feb. 14 in New York City. The site is a platform for athletes to talk directly to fans. Timothy Hiatt/Getty Images hide caption
Decathlon gold medalist Bruce Jenner throws the javelin during an Olympic competition in Montreal on July 30, 1976. AP hide caption
Texas Rangers relief pitcher Lisalverto Bonilla throws during the fifth inning of a spring training baseball game against the Kansas City Royals on March 4, in Surprise, Ariz. He is scheduled to undergo Tommy John surgery this week. Charlie Riedel/AP hide caption