The Padres have designated Eric Patterson for assignment, reports Marty Caswell of XX1090 Sports Radio (Twitter links). Will Venable has been called up to take his spot on the roster, and is expected to serve as a fourth outfielder.
Patterson, 28, was the player to be named later in the Adrian Gonzalez trade. He started the season on the disabled list, but returned in April and has hit just .180/.272/.292 in 103 plate appearances. Patterson played all over the field for San Diego, seeing time at all three outfield spots as well as at second base.