If this is true, it’s fair to wonder where the heck Dustin Johnson’s head is at. The PGA star was spotted in a supermarket getting awfully cozy with Allie MacKenzie, a model and the ex-wife of a fellow pro golfer, Will MacKenzie. It wouldn’t be the first time Johnson has been accused of messing around with the wives of his peers, nor would it be his first alleged dalliance with MacKenzie.

A witness said Johnson had his arm around her and "looked super flirty, and like they were going to kiss."

MacKenzie has jumped out in front of the flap. "I ran into an old friend buying baby food for his son at Publix," she said. "I wish Paulina, Tatum and Dustin the very best start in their lives together." Johnson and Gretzky’s son Tatum is now 10 months old.

If this is true, Johnson isn’t exactly unique or original. There are plenty of athletes who have behaved like dogs, and messed it up with some amazing women. Here are just a few.

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