In this Sept. 15, 1930, file 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

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Houston Astros outfielder Carlos Gomez circles the bases after hitting a solo home run in the fourth inning against New York Yankees pitcher Masahiro Tanaka, giving Houston a 2-0 lead. The Astros won the wild card game 3-0 and face the Kansas City Royals next. Elsa/Getty Images hide caption

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New York Yankees pitcher CC pictured here during a Sept. 9 game against the Baltimore Orioles in New York. Sabathia announced today he will enter alcohol rehab and miss the playoffs. Frank Franklin II/AP hide caption

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During his NFL days, Nate Jackson (81) played tight end for the Denver Broncos. He's also the author of the best-selling memoir Slow Getting Up: A Story of NFL Survival from the Bottom of the Pile. Dave Einsel/AP hide caption

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Detroit Pistons forward Caron Butler shoots a free throw during a game against the New York Knicks in February. Carlos Osorio/AP hide caption

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