with additional reporting by Linda Marx
03/07/2011 at 01:00 AM EST
Her Changing Body
LOOK: A-ROD HAS A TYPE!
The baseball star, 35, is-as a source told New York's Daily News
-"really into muscular women." So is a ripped bod a dating must for him? Says a PEOPLE source: "He would not date a woman for long who was not into fitness like he is."
A-Rod met his ex-wife at a Miami gym.
"I choose men who like carved-out women," the singer-who was linked to A-Rod in 2008-told Elle
Currently dating: Diaz (after working out with A-Rod Feb. 11) has called her love of exercise a "matter of survival."