[img]http://d.yimg.com/a/p/ap/20100317/capt.9b3431dc614544f2af42c43d5cf94362-9b3431dc614544f2af42c43d5cf94362-0.jpg?x=104&y=130&q=85&sig=s6ExkHwMnlrdF2f._G8U7Q--[/img]AP - Texas Rangers manager Ron Washington admitted he made a "huge mistake" when he used cocaine and failed a Major League Baseball drug test last season.