We told you yesterday ... Tiger Woods ex-wife is dating marketing exec Jamie Dingman, whose dad is a billionaire tycoon. But before Elin, sources tell TMZ Jamie and Rachel were an item -- and there was a little bit of an overlap with Jamie and Tiger, but Jamie bowed out to the golfer.
In fact, when Rachael got serious with Tiger, Jamie joked with her, "That ok. I'll date his wife, Elin."
And get this ... at the time the Tiger Woods scandal broke, Jamie was living with Rachel in a MIami home.
And there's more. Remember the name, Jen Madden? She's the one who sold the Tiger Woods story in the first place, and she got the info because she stayed at the Miami home and overheard Rachel tell Jamie about her affair with Tiger.
Who knew Elin Nordegren had a little bit of Rachel in her.