Jacoby Ellsbury suffered a strained right hamstring in the fourth inning on Friday night against the Blue Jays.
The Angels' rotation is thin beyond Matt Shoemaker, Jered Weaver, and C.J.
There isn't much time left in the regular season, which may mean Mets fans won't see Juan Lagares patrol the outfield until spring training in 2015.
Perkins, who had a 2.44 ERA as recently as August 25, finishes the season with a 3.65 ERA and 66/11 K/BB ratio in 62 innings while saving 34 games.
Jose Bautista offended Yankees reliever Shawn Kelley with his celebratory behavior after hitting a game-tying two-run home run in the eighth inning of last night's game.