The Mets released Diekman on Saturday, Mike Puma of the New York Post reports.

The Mets designated Diekman for assignment Monday.

Diekman walked one and struck out one in a scoreless ninth inning Tuesday to record his fourth save of the season in a 3-2 win over the Yankees.

Diekman (2-2) picked up the win Monday as the Mets downed the Nationals 9-7 in 10 innings, throwing a scoreless ninth without a walk or strikeout.

Diekman gave up an unearned run in the 11th inning Thursday, walking one and striking out one, to record his first save of the season in a 6-5 win over the Phillies.

Diekman (1-0) picked up the win Monday against Atlanta, allowing one run on zero hits and one walk in an inning of relief. He struck out one.

Diekman appears locked into a spot in the Mets' Opening Day bullpen, Will Sammon of The Athletic reports.

Diekman signed a one-year, $4 million contract with the Mets on Friday, Anthony DiComo of MLB.com reports.

Diekman was activated from the paternity list by the Rays on Thursday, Marc Topkin of the Tampa Bay Times reports.

Diekman was placed on the paternity list Monday.