This file photo taken on March 17, 2005 shows baseball slugger Sammy Sosa testifying before a House Government Reform Committee hearing on Capitol Hill in Washington, DC, concerning steroid use in the MLB. Sosa was among the players who tested positive for a performance-enhancing drug in 2003, when Major League Baseball was trying to gauge the extent of doping in the game, the New York Times reported on June 16, 2009.