Teufel spent all of and with the Double-A Orlando Twins. He raised his average to .282 in , earning a mid-season promotion to the Triple-A Toledo Mud Hens. In , Teufel lit up the International League with a .323 batting average, 1.022 OPS, 27 home runs and 100 runs batted in resulting in a September call-up to the major leagues. He made his major league debut on September 3 in 13-0 drubbing at the hands of Scott McGregor and the Baltimore Orioles.