​New York, New York – July 7: Matt Seelinger, wearing number 73 for the New York Mets, stands on the mound at Citi Field after surrendering a run in the seventh inning of his major league debut against the Kansas City Royals on July 7, 2026, in New York City. The photograph was taken by Jim McIsaac of Getty Images. The Mets were set to continue their series with the Royals on Wednesday at Citi Field, coming off a 16-12 defeat the previous night. In his first MLB appearance, Seelinger allowed seven earned runs over just two innings of work.
Ahead of Wednesday’s game, the Mets announced that Matt Seelinger had been designated for assignment. The Mets’ official coverage noted, “The Mets have designated Matt Seelinger for assignment following his MLB debut last night.” This development followed Seelinger’s challenging debut, which included a rough two-inning outing and multiple runs charged to his ledger.
For readers following the latest updates, this move marks a notable shift in the Mets’ pitching plans following the rookie’s debut. The story of Seelinger’s first major league appearance and the immediate roster decision has drawn attention from fans and observers tracking the Mets’ rotation and bullpen options as they navigate the remainder of the season.
Originally published by HEAVY, this article has been updated to reflect the Mets’ decision and the ongoing coverage of their series with Kansas City. The Mets’ decision to designate Seelinger for assignment comes amid the broader context of the team’s trade activity and roster adjustments, including recent movements involving a trade with the Tigers that generated additional in-season changes. As the Mets evaluate their pitching depth, fans are encouraged to follow upcoming game recaps and official team announcements for further developments.