Four Mets relievers, including catcher Kevin Plawecki, combined to give up 18 runs and 18 hits in Sunday's 23-5 loss to the Washington Nationals at Nationals Park.
New York's bullpen, which had allowed nine home runs all season entering Sunday, gave up seven home runs. Its 3.64 ERA skyrocketed to 5.06.
Sean Gilmartin gave up five runs and two homers in 2 2/3 innings after starting pitcher Noah Syndergaard left the game with an injury in the second inning.
Fernando Salas gave up three runs, Josh Smoker six runs (five earned) and Plawecki, who was the first Mets position player to pitch in a game since Anthony Recker on June 30, 2013, gave up four runs (three home runs) in two innings.