Tiger Woods, Lindsey Vonn rumors: Olympic gold medalist cheating on Tiger with Michael Douglas? [VIDEO]

It’s tough being Tiger Woods these days. It's tough being Tiger Woods these days. Having already pulled out of this month's Masters with a back injury, the PGA Tour's most decorated golfer now reportedly finds himself in a fight to retain the affections of Olympic gold-medal winning girlfriend Lindsey Vonn, according to DesignTrend.