To unlock the Pinto's, you need to hit an ITPH (Inside The Park Homerun) at Busch Stadium. To get to stadium select, pick the team you want to be and the team you want to play against. then when the screen pops up that says PLAY, scroll down a little to select stadium, click on it. Then scroll around the map untill you find BUSCH stadium. That is how you unlock the Pinto
Atlantis - Hit a homerun in AT&T Park.
Coliseum - Hit a homerun in Fenway Park.
Empire - Hit a homerun in Yankee Stadium.
Forbidden City - Hit a homerun in PetCo Park.
Rocket Park - Hit a homerun in Minute Made Park.
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