A lot have already been mentioned- League of their own was good until the end and the end of the game was absolutely crappy.
Bull Durham
The Natural
the first Major League
the first Longest Yard
even though I hate Notre Dame Rudy is damn good
Rocky I-IV
Brian's Song
Hoosiers
Breaking Away
Field of Dreams
Caddyshack
Sea Biscuit
Everybody's All-American
Jerry Maguire
North Dallas Forty
the OG Herbie movies
Gus( gotta love the football kicking mule especially when he gets all jacked up and drunk

)
the OG Bad News Bears movies
Chariots of Fire
Slap Shot
Pumping Iron
Karate Kid I & II
Blood Sport
Vision Quest
All the Right Moves
White Men Can't Jump
Basesketball
Hoop Dreams
Rebound.
I guess that's enough for now.
