No versions of Super League carry official licenses from baseball organisations, however both the Japanese and Western versions use teams "inspired" by their real life counterparts. Likewise, all player names are fictional.
Hitting: Use the D-pad to move around, to do a touch, and to swing.
Steal Base: If you have a player in other base, while you wait to the pitcher to throw you can point towards next base. If you are in base 1 you can start press + and you will see your player from 1st base approaching carefully to 2nd base. If you do this when the pitcher starts the pitch you probably stole that base.
Running: Use D-pad to point to base base the player will move: 1st Base, 2nd Base, 3rd Base, 4rd Base. When a player arrive to a base you need to press + next base direction to make him move to next base. If you want to return into a base press + previous base direction.
Pitching: Use and to move around and to pitch.
Pitching Styles: To throw a Curve after for pitch press . To throw a Slider after press . To throw a Change-Up after press . To throw a Slow Slider after press and then . To throw a Slow Curve after press and then .
Defense Pitching: When you are the pitcher you can try to eliminate other players are occuping bases. Press and then if you want to throw to a base + direction of the base. If you want to eliminate by tag a player press + irection of the base if going that player.
Field: Use D-pad to move the player. When you catch the ball you can throw to a base pressing + direction of base, or you can try to eliminate by tag using + direction base