ピオリア・チーフス
The Chicago Cubs drafted Vitters with the third overall selection of the 2007 Major League Baseball Draft. He made his professional debut with the Rookie-level Arizona Cubs of the Arizona League. Vitters split the 2008 season between the Low-A Boise Hawks and the Single-A Peoria Chiefs, logging a .322/.357/.495 slash line with 5 home runs and 38 RBI in 65 games.