Last week, reports surfaced that Tiger Woods had slept with his neighbor’s daughter, but apparently his wife Elin was more upset about the Nike television ad that featured Tiger and a voiceover of his deceased father. “Elin was violently angry over this commercial and thought it was a cheesy thing to do," a friend tells People. "She wouldn't have gone near the Masters under any condition, but that just made her madder. She is over Tiger. I wouldn't be surprised if she files for divorce sometime soon." Other friends tell People that Elin is at the end of her leash, having left their Florida home right after Tiger finished fourth in the Masters.