Unlimited Strikes:

To have unlimited strikes for your team
when they bat, press and hold CTRL N S A
at the beginning of any game. 

Win the game instantly:
To automatically win the game you're in,
press and hold CTRL W C G in between any
innings.

Hit a home run every time:
To hit a home run, press CTRL H R 1 
whenever your batter goes up to bat. Then
all you have to do is hit the ball.