 Prior to the 2005 season , Jose Canseco , in his controversial book Juiced , claimed to have personally injected Rodríguez with anabolic steroids during their time as teammates on the Texas Rangers . Rodríguez denied the allegations and said he was " in shock " over Canseco claims . Asked by a reporter four years later whether his name is on the list of 104 players who tested positive for steroids during baseball 's 2003 survey testing , Rodríguez responded , " Only God knows . " 
