From MLB Power Pros Wiki

Character Background

Peter White is a character in Success Mode 2007. He is the second baseman for the Tulips, but may move to first base if the player's character is a second baseman.

An aspiring medic, Peter is the first to notice Alvin's injury and explains this to the team a few weeks after. He also may offer a stock investment. It generally turns out to be a success increasing your invested money by approximately 50%. He will also offer to change your batting stance. This usually results in negative effects, but sometimes it will be successful, improving your stats and giving you an interesting stance.

Powerful Tulips
Marvin • Alvin • Milton • Peter • Robert • Toby • Mark • Brad • Rex • Robin