As the pitcher throws the ball into the zone, have your infielders move and plant both feet at ball contact. This puts them in an ideal position to react to the ball as it enters the playing field. Timing here is crucial. If a player plants too early, she gets stuck and loses all the momentum she just created. If she's late, the ball is already moving while she's still in the air. Hear more from Jen Fisher about the importance of this move and how to execute it properly.