Boise Hawks
Parker began his professional career in 2006 as a first baseman, third baseman, and catcher, and did not start pitching until 2007, splitting the season between the AZL Cubs (11 games) and Boise Hawks (8 games), with a combined record of 2–0 and a 2.39 ERA. He was an AZL post-season All Star in 2006.