MLB 2004

Press start to pause game play, then press L1, L2, L1, L2, Up, Right, Down, Left.

Press Start to pause game play, then press Up, Down, Left, Right, L1, L2, R2, R1.

Press Start to pause game play, then press Up, Left, Down, Right, Up, Right, Down, Left.

Press L2 + X when the pitcher has selected a pitch.

This trick only works under the trainee and rookie difficulty settings. To get straight balls down the middle, pretend to bunt by holding Circle until the pitcher is about to throw the ball. He should throw it straight down the middle all the time.