Ahead of his big league debut this afternoon against the Mariners, the Mets promoted Nolan McLean from Triple-A Syracuse. In a corresponding move, Paul Blackburn was designated for assignment. Blackburn will have to pass through waivers to remain in the Mets organization.

McLean, 24, has been a standout pitching prospect for the Mets this season after establishing himself as one of the rising stars in the system in 2024. He was named the fifth best Mets prospect by Amazin’ Avenue in the offseason. He’s tossed a 2.45 ERA across 113 innings for Binghamton and Syracuse and has struck out 127 while walking 50 in that timespan.

Blackburn, who the Mets acquired from the Athletics at the 2024 trade deadline for Kade Morris, has had a rough go as a Met. Injuries landed him on the IL for a big ch

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