By Bob HarigOriginal Source: african.espn.comVeteran PGA Tour player Rocco Mediate told Golf Channel that he used to be a "habitual alcoholic'' and at times drank during competitive rounds.Mediate, who now plays on PGA Tour Champions and is likely best known for losing to Tiger Woods in an 18-hole playoff at the 2008 U.S. Open, suffered with back issues throughout his career and cited that as among the reasons for his drinking problem...click here to continue reading