"It didn't make sense flying him in here, because we weren't going to use him out of the bullpen anymore," said manager Don Mattingly.
Latos, a former Red, was dropped from the rotation because the Dodgers had three scheduled days off in an eight-day span and wanted to maximize usage of aces Clayton Kershaw and Zack Greinke.
Beginning Tuesday night, the Dodgers play 16 consecutive days before the next day off (Sept. 10) and will have only one more day off (Sept. 17) until the end of the regular season.
Ken Gurnick is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.