When Lindsey Vonn and Tiger Woods announced that they spilt over a week ago, the former couple blamed it on their busy and conflicting schedules.

However, a rumor is suggesting that the two actually broke up because Woods cheated on his Olympic skier girlfriend.

The Daily Mail reported that the 39-year-old professional golfer cheated on Vonn with a "faceless-nameless woman." A close friend of the 20-year-old Olympian revealed that Woods had an affair in February after he withdrew from the Farmer's Insurance Classic in San Diego.

"He had a relapse in the sex department," a source told the U.K. tabloid. "Lindsey found out about women again. Always while he's on the road. Just like when he was with (ex-wife) Elin (Nordegren)."

The friend added, "He withdrew from Farmers. You have to understand, while it's not right, it's not really wrong either. Tiger isn't married. He doesn't really drink or do drugs. So what else does he have when he can't afford to lose again? He is allowed to find some relief. Most men would drink over such losses. Tiger has sex over it. Usually with local hookers whom he pays exorbitant amounts to, probably so they will want repeat business and won't tell."

Woods allegedly confessed to Vonn about his affair after realizing that he was seen with the woman - which means Vonn would have found out anyway.

"Lindsey found out about the cheating the easy way, if there is an easy way," the source told Daily Mail. "Tiger confessed. He took the opposite strategy he did with Elin [Nordergren] and instead of hiding it, he admitted it before getting caught."

After three years together, Woods and Vonn announced their break-up on May 3. 

"Tiger and I have mutually decided to end our relationship. I will always cherish the memories that we've created together," Vonn wrote on Facebook. "Unfortunately, we both lead incredibly hectic lives that force us to spend a majority of our time apart."

She added, "I will always admire and respect Tiger. He and his beautiful family will always hold a special place in my heart."

Woods also confirmed the news on his personal website, writing, "Lindsey and I have mutually decided to stop dating. I have great admiration, respect and love for Lindsey and I'll always cherish our time together. She has been amazing with Sam and Charlie and my entire family."