Derek Jeter smiles during a game against the Toronto Blue Jays on Sept. 18. The Yankee captain, who retires at the end of this season, joined the 3,000-hit club in 2011.
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Chief Operating Officer of Major League Basball Rob Manfred speaks June 26 during a Memorial Tribute To Tony Gwynn by the San Diego Padres at PETCO Park in San Diego.
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First baseman Jim Thome stands in at the plate in a 1997 Cleveland Indians game. The team signed Thome to a special contract this weekend so he could retire with the team that brought him to the big leagues.
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Those tipping their caps to Derek Jeter include former Yankees manager Joe Torre and his former teammates Mariano Rivera, Andy Pettitte, Jorge Posada, and Tino Martinez, in a new ad by Nike.
Don Zimmer, manager of the Chicago Cubs, watches batting practice before the 1990 All-Star game with fellow managers Jim Leyland of the Pittsburgh Pirates, Tony LaRussa of the Oakland Athletics and Roger Craig of the San Francisco Giants at Wrigley Field.
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