This pro golfer knows how to cheat, but this might be the first time he has been cheated on.

His celebrity girlfriend hooked up with the golfer on the great hot streak while he was dating his celebrity girlfriend.

Dustin Johnson is not involved in this blind.

Pro golfer: Tiger Woods
Celebrity girlfriend: Lindsey Vonn
Golfer on hot streak/celebrity girlfriend: Rory McIlroy, Caroline Wozniacki