Basquash! and Hajime no Ippo are 2 that I can think of right now, the former dealing with a mecha type of basketball and the latter dealing with boxing. If you like I can send you this Battle Angel CGI mini-movie I have depicting Gally playing Motorball against her opponents. And do they have to be an entirely sport anime or do you just need scenes of people playing sports cause I can give you a list of animes if it's like that, some I can give you the eps for and others I can only just specify the anime.
"Someday humankind will come to understand one another! I sincerely believe that!" Fei Fong Wong "We live to make the impossible possible! That is our Focus!" Claire 'Lightning' Farron "Believe in yourself, and create your own destiny. Don't fear failure." Toonami The Lord Jesus Christ is the only way.
If you are interested in any parodies: Galaxy Angel Episode 12 is about baseball Galaxy Angel AA episode 31 (I think) is volleyball Excel Saga Episode 9 is about bowling, episode 11 is baseball.
My local anime club had a sports night last semester, and I've gotten one sports anime amv in my con's contest a few years back, so...
ping pong club Aoki Densetsu Shoot! (Soccer) Ashita no Joe (boxing, really old-school) Blazing Transfer Student (boxing...kinda) Big Windup Bamboo Blade (Kendo methinks)