Get Tons of Points::
Play a 2 player game and strike out every batter on both sides until you have 2 outs at the bottom of the 9th inning. Then walk the next 4 hitters.

Taunt the Crowd:
During an away game, hit a homerun and press the left analog stick while rounding the bases to taunt the crowd.

Homerun Celebration:
Push R while rounding the bases and you'll blow kisses to the crowd. Keep pushing R to jump on home plate.