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Based on the numbers, Mark McGwire has a
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Based on the numbers, Mark McGwire has a strong case for the Hall of Fame. But his use of performance-enhancing substances have kept him out so far. (Feb. 17, 2010)(Credit: AP)

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Mark McGwire

Former St. Louis Cardinals and Oakland A's slugger Mark McGwire is now the hitting coach of the Cardinals. In 2010, he admitted using steroids during the 1990s, including 1998, when he broke Roger Maris' home run record on his way to hitting 70 that year.