From MLB.com -
"Exclusive pitch type, location, and speed data make At Bat 2009 the fastest, most detailed way to follow baseball on your iPhone and iPod touch. Listen LIVE to every regular season and Postseason game including all home and select visiting team feeds and no blackout restrictions. Watch the best plays of the game moments after they happen. The app will detect your connection speed to deliver the optimal quality video."

MLB is rumored to be working on streaming live game video feeds when Apple uncorks the new upgraded iPhone OS later this year. This app is a foretaste of the innovations that will be upcoming through the iPhone - find out more about creating your own custom iPhone app with the Toy Lounge.
MLB.com At Bat 2009 costs $9.99 for the season.