If ever-tolerant Philly fans show up to tonight's World Series game bearing images of centaurs, this might explain it: One of A-Rod's ex-girlfriends tells US Weekly that he's got "not one but two painted portraits of himself as a centaur." And, yes, they're hanging over his bed. Apparently new galpal Kate Hudson doesn't mind. "They love sex!" says another source. "They talk about it all day." (More Alex Rodriguez stories.)