Jake Diekman didn’t even last an inning in Tuesday’s loss, and he took out his anger on an unsuspecting water cooler in the Mets dugout. 

Diekman threw ⅔ of an inning in the sixth, allowing a home run and walking a batter before he was replaced by Jorge López in what became a 7-6 loss in Cleveland. 

While Diekman did strike out two batters after giving up the two-run home run to David Fry, his frustration boiled over once he was out of the game.

As he walked through the dugout toward the clubhouse he took a water cooler and launched it in front of him in anger.

It was the second consecutive appearance in which Diekman had surrendered a home run, and the latest appearance was part of the larger issues the team is facing as the Mets lost a second straight game to the Guardians.

The Mets have dropped nine of their last 12 games and are below .500 with a 21-27 record. 

Diekman now has a 3.86 ERA and 1.35 WHIP in 16 1/3 innings.

The Guardians jumped to an early lead on Tuesday evening and never looked back after putting up three runs in the third inning. 

Adrian Houser gave up six hits for six runs in five innings on the mound. 

The bullpen has been at the forefront in recent days, with Edwin Diaz’s confidence a bit shaken after struggles in the ninth inning, and now, reliever Brooks Raley is headed for season-ending elbow surgery, Mets manager Carlos Mendoza confirmed to reporters after the game. 

Raley had been pitching well — with a 0.00 ERA in eight appearances — before being placed on the injured list in April and Mendoza said that he would undergo the procedure next week. 

“It’s unfortunate because you know what he means to this team and obviously his career, but wish him the best and I know he’s going to try everything he can to get back on the field as soon as possible,” Mendoza said.