Big Heads
At the Start/Options menu, press R1 + X + R2 + Select simultaneously. A beep will confirm the code.
Easy Hits
To get a easy single or sometimes a double you turn average to power and then you hold down and swing and hit the ball sharply to centerfield but sometimes you will ground into Double Plays.
Extra Out after Catching a Fly Ball
Catch a fly ball and throw it to 2nd base. Then, throw the ball back and forth between the 2nd baseman and the shortstop (just keep pressing triangle). Eventually, one of the two players will throw it away into left center field. If you catch the ball with the center fielder, the umpire will say out as when you normally get an out.
Power Hitter
At the create your own player screen type in Scott Murray, He will hit a homerun every time only in power swing.