Tim Tebow (right) shakes hands with New England Patriots quarterback Tom Brady after the Patriots defeated the Broncos on Dec. 18, 2011. Now, they're due to be teammates.
Mark Leffingwell /Reuters /Landov
Oklahoma quarterback Steve Davis, left, and coach Barry Switzer celebrate the team's No. 1 ranking after the Orange Bowl in 1976. Davis, 60, died Sunday in the crash of a small plane. Switzer called Davis a "great role model for young people."
Linebacker Ray Lewis announced Wednesday that he will retire after the Baltimore Ravens' season ends. Most media coverage of Lewis' legacy has omitted his part in a 2000 double-homicide case.
Harry How/Getty Images
Dr. Ann McKee, professor of neurology and pathology of Boston University School of Medicine and co-director of the Veterans Affairs Center for the Study of Traumatic Encephalopathy, inspects a brain in the Bedford Veteran Medical Center last year.
Stan Grossfeld/Boston Globe via Getty Images
Denver Broncos Coach John Fox yells at field judge Jimmy Buchanan during the Broncos' game against Atlanta Monday. Referring to the game, the NFL insisted that players and coaches give replacement referees, and the game, more respect.
Kevin C. Cox/Getty Images
LSU cornerback Tyrann Mathieu (right) earned the nickname "Honey Badger" for hits like this one, against Arkansas quarterback Tyler Wilson on Nov. 25, 2011. Mathieu is one of five finalists named Monday for the Heisman Trophy.