Minnesota Vikings quarterback Teddy Bridgewater lies unconscious after sustaining a particularly nasty hit to the head during a game against the St. Louis Rams in 2015. The NFL reports there were 271 diagnosed concussions last year.
New England Patriots' defensive end Chandler Jones holds a Microsoft Surface tablet on the sideline in the third quarter of the AFC Championship game against the Denver Broncos. In the second quarter, the Patriots' tablets briefly stopped working.
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Green Bay Packers' Elijah Pitts runs with the ball during Super Bowl I against the Kansas City Chiefs at Memorial Coliseum on Jan. 15, 1967, in Los Angeles.
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St. Louis Rams owner Stan Kroenke, seen here speaking to the media after NFL owners approved the Rams' move to a new stadium just outside Los Angeles, is the target of anger for many NFL fans in St. Louis today.
The St. Louis Rams will be moving to Los Angeles. It will be the first NFL franchise in the city since the Rams and Raiders left the city two decades ago.
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For Thursday night's game, the New York Jets and Buffalo Bills wore solid colors — green and red, respectively — that were created by Nike. Many colorblind fans were not happy with the pairing.
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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.
Dallas Cowboys defensive end Greg Hardy was arrested and charged with assaulting his former girlfriend Nicole Holder in May. He was found guilty but appealed, and then when Holder stopped cooperating, the case was dropped.