Mike Trout ---  AZL Angels - 2009 Arizona League.Photo by:  Bill Mitchell/Four Seam Images.Anaheim Angels 1st round pick Mike Trout made his professional debut in an Arizona League game against the Rangers at Tempe Diablo Stadium on Sunday, July 5, 2009. Trout hit a triple in his first at bat and finished the game 2 for 2 with 4 walks. The Angels defeated the Rangers, 18-3. In this photo, Trout is heading to first base en route to third for his first professional hit.