Perhaps she's just a friend, but sources at the event said that the slugger and Ingrid Casares walked into an afterparty arm-in-arm and were flirty all night.
The source told E! Online, "Alex snuck in for the afterparty, which was held outside on the yacht and he walked in arm and arm with a tall, insanely gorgeous, Brazilian-looking model."
To make matters worse for Diaz, another source claimed they saw Rodriguez earlier in the week leaving an Equinox gym in South Beach with an ?unidentified pretty blonde.?