Currently, in camp, manager Torey Lovullo of the Arizona Diamondbacks has a group of nine potential candidates for the five spots in then the starting rotation. Of those considered on the bubble, lefthander Patrick Corbin has the most potential to create separation.
Coming off a forgettable season in which he was banished to the bullpen and stripped of his spot in the rotation, Corbin arrived in camp this spring ready to regain his previous status. During the 2013 season, he roared off to a 9-0 start to commence the campaign and was named to the National League All-Star team.