After starting 2009 at high-A Visalia, he was promoted in April to the Diamondbacks Double-A affiliate, the Mobile BayBears. During a start on July 30, Parker injured his right elbow.
Parker began working at high-A Visalia in 2009 and was promoted in April to the Diamondbacks' Double-A team, the Mobile BayBears. On July 30, he experienced an elbow injury during a game.