Short hops

• Left-hander Robbie Erlin, the favorite to win the No. 5 starter job, will throw in a Minor League game Wednesday. Erlin and Matt Wisler are the two candidates for the fifth spot in the rotation, but Erlin has big league service time (54 2/3 innings) and is already on the 40-man roster. Wisler is not.

Corey Brock is a reporter for MLB.com. Keep track of @FollowThePadres on Twitter. This story was not subject to the approval of Major League Baseball or its clubs.