Hit Home Runs in Certain Stadiums to Unlock

You need to hit Home Runs over the fence(NOT AN IN-PARK-HOME-RUN.)
Unlockable              How to Unlock
Park: Atlantis          Hit a Homer in AT&A Park
Park: Coliseum          Hit a Homer in Fenway
Park: Empire            Hit a Homer in Yankee Stadium
Park: Forbidden City    Hit Homer in PetCo Park
Park: Rocket Park       Hit a Homer in Minute Maid Park
Team Bobble Head        Hit 10 Home Runs in 1 Game
Team Casey              Hit a Triple in Wrigley Field
Team Dolphins           Hit Home Run in Atlantis
Team Eagles             Walk 3 times in 1 Game
Team Evil Clowns        Hit Home Run with Yankees in Empire
Team Gladiator          Hit Home Run in Coliseum
Team Horse              Steal 5 times in one Game
Team Lions              Hit a Home Run with the Lions in Comerica Park
Team Martian            Hit a Triple in Rocket Park
Team Mintour            Hit a Home Run in Forbidden City
Team Pinto              Hit an In Park Home Run at Busch Field
Team Rodeo Clowns       Turn a Double Play