I think it must be very hard to be married to a premiership footballer, there would always be the chance that stories like this could come out. How could you know what to believe. I also don't think she was necessarily a fool for forgiving him the first time. People can make mistakes and hand on heart I can't say for sure that I wouldn't give my DH another chance if he cheated.
If the story is true, it's HIM that's the fool, not her for trying to make her marriage work. I bet she now wishes he had accepted a move to Italy, apparently he was offered one and she begged him to go to Chelsea so she could continue with her own career too.