The Mets recalled LH reliever Sean Gilmartin after Wednesday night's game and optioned RH reliever Erik Goeddel to Triple-A Las Vegas.
Goeddel, who allowed two runs in 1 2/3 innings on Wednesday, had been activated before the game.
He has a 4.55 ERA and 1.11 WHIP in 29 games (29 2/3 innings) for the Mets this season.
Gilmartin has posted a 4.86 ERA and 1.43 WHIP in 107 1/3 innings (18 starts, one relief appearance) for Las Vegas this season.
He allowed seven runs in nine innings (five games) for the Mets earlier this seaosn.