Colon returning to Athletics with drug regrets
Bartolo Colon knew he had failed a drug test for about six weeks before he got hit with a 50-game suspension last season. He made several starts for the Oakland Athletics while knowing he probably wouldn't participate in the pennant race.
http://espn.go.com/mlb/spring2013/story/_/id/8963948/bartolo-colon-returning-oakland-athletics-drug-regrets
