Madonna is so over Alex Rodriguez she's even dumped the Yankees and is now rooting for the Mets.

Madge took her kids, Lourdes, Rocco and David, to see the Mets play at Citi Field on Mother's Day, and just to rub salt in A-Rod's wounds, brought new flame Jesus Luz.

The group sat in Jerry Seinfeld's seats with Anderson Cooper, whom they'd partied with Saturday night at the Monkey Bar.

There, Madonna was clucked over by Clive Davis, Nikki Haskell, Thom Browne and flamboyant furrier Dennis Basso, who turned to Davis and said, "Even I'd [bleep] Madonna!"