He'll have to find a new team now: Then-New York Jets backup quarterback Tim Tebow on the sidelines during a game last December. The team cut him from its roster on Monday. John Angelillo /UPI /Landov hide caption

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Eric Fisher, offensive tackle from Central Michigan, was the No. 1 pick in the 2013 NFL draft. He was chosen by the Kansas City Chiefs. Rich Kane /UPI /Landov hide caption

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A Washington Redskins flag is waved prior to the NFC Wild Card Playoff Game against the Seattle Seahawks at FedExField in January. Al Bello/Getty Images hide caption

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Randy Moss of the 49ers glides down the field, under an arcing football, on his way to a touchdown against the Patriots on December 16, 2012. Jared Wickerham/Getty Images hide caption

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The brain of former NFL star Junior Seau, who committed suicide last year, showed signs of the kind of neurodegenerative disease associated with repetitive head trauma. Elsa/Getty Images hide caption

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Junior Seau, seen here playing for the New England Patriots toward the end of his career, suffered from a degenerative brain disease, scientists say. Otto Greule Jr./Getty Images hide caption

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Junior Seau, seen here playing for the New England Patriots toward the end of his career, suffered from a degenerative brain disease, scientists say. Otto Greule Jr./Getty Images hide caption

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Andy Reid as he left the field Sunday in New Jersey. His last game as head coach of the Philadelphia Eagles was a 42-7 loss to the New York Giants. Elsa/Getty Images hide caption

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