Original URL: http://www.psxextreme.com/ps3-cheat-print/799.html
MLB 07: The Show

The Show is an esteemed, award-winning franchise and you can bet that every last entry was stellar. One of the older ones has some stuff to unlock, too. This was before Trophies, so codes were still in vogue... ;)

Codes

When at the main menu, enter the following:

All Classic Stadiums(won't show up in profile, only exhibition) Down, Up, Right, Down, Up, Left, Up, Down
Army Camouflage Uniforms Down, Left, Up, Left, Right, Left, Right
Gloden/Sliver Era Players Left, up, right, down(2), left, up, down
Maximum Break For All Pitches Right, Up, Right, Down, Up, Left, Left, Down
Maximum Speed For All Pitches Up, Left, Down, Up, Left, Right, Left, Down
Unlock All Bonuses L1, L2, L3, L3, R1, Circle, Square