Steve Kerr, the reigning NBA Coach of the Year with the Golden State Warriors, acknowledged he tried marijuana twice in the past 18 months while dealing with debilitating back pain. Kerr told Comcast SportsNet Bay Area's Warriors Insider Podcast with Monte Poole on Friday that he used medicinal marijuana but it didn't help - but painkillers have been worse. ''I have no idea if I would, maybe I would have failed a drug test, I don't even know if I'm subject to a drug test or any laws from the NBA,'' Kerr said. More...