Imwalle played his collegiate baseball at Oklahoma City University. This is not Imwalle's first season in the American Association Leauge. In 2007 he was a member of the Sioux City Explorers, batting .300 with 15 HRs and 49 RBIs. Imwalle was a member of the 2009 Diablos, playing in 2 games at the end of the year. The Diablos are excited to have Imwalle’s bat in the lineup for a potential championship season in 2010.