Major League Baseball is 'looking into' Yankees star hitter Alex Rodriguez's illegal poker playing, RadarOnline.com, can exclusively reveal.

Star Magazine broke the story that multi-millionaire A-Rod played in the illegal Hollywood poker ring along with various A-listers like Tobey Maguire, Leo DiCaprio and Ben Affleck.

The slugger played in a no-limit Texas Hold'em game as recently as two months ago which had a buy in of $40,000. And this has drawn the attention of MLB Senior Vice President Of Public Relations, Patrick Courtney.