The Japanese may have adopted it as their national pastime, too (and it's perfectly understandable when you've got babes like Aki Hoshino throwing out the first pitch at a Yokohama Baystars game), but there's no doubting that baseball is America's game.

So in honor of all those Opening Day pitches being thrown at baseball stadiums across the USA today, Mr. Skin has put together a brand-spanking nude Baseball Babes Playlist featuring the hottest baseball groupies ever to expose catcher's mitts and astroturf, including Susan Sarandon in Bull Durham (1988), Jessica Biel in Summer Catch (2001), and the many marvelous mammaries of Eastbound & Down. This is one time thinking about baseball won't make you soft.

And while you're at it, check out our Top 5 Hottest Babes in Baseball Movies right here at MrSkin.com!