A U.S. marshal dies in the line of duty for the first time, a landmark report points to the hazards of smoking, the designated hitter comes into play, and Beckham heads to America, all on this day.
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Joe Skipper/Reuters
2010: Mark McGwire admits to The Associated Press that he'd used steroids and human growth hormone on and off during the 1990s, including the 1998 season when he broke Roger Maris' single-season home run record. Later in the day, however, he disputed that the drugs gave him more power to hit homers, instead saying he used them to recover from injuries.