Mariners Acquire Cooper Criswell from Mets: What This Means for Seattle (2026)

Breaking News: A Right-Handed Pitcher Switch-Up!

The Seattle Mariners have made a move! In a surprising turn of events, the Mariners have acquired right-handed pitcher Cooper Criswell from the New York Mets. But here's the twist: it's not just a simple trade.

Criswell, a 29-year-old pitcher, had a solid season last year with the Boston team, clocking in at 1-0 with an impressive 3.57 ERA. However, his journey took an unexpected turn when he was claimed off waivers by the Mets just a month ago. And now, in a swift move, the Mariners have snatched him up for some extra cash.

To make room for Criswell, the Mariners have designated left-hander Jhonathan Diaz for assignment. Diaz, also 29, had a brief appearance with the team last year, but his Triple-A Tacoma stats were noteworthy, with an 11-6 record and a league-leading 4.15 ERA in the Pacific Coast League.

This move by the Mariners raises some intriguing questions. Are they building a new pitching dynasty? Or is this a strategic move to address a specific need?

And this is the part most people miss: the impact of these trades on the players themselves. For Criswell, it's a new opportunity, but for Diaz, it might be a tough pill to swallow.

What do you think? Is this a smart move by the Mariners, or are they taking a risky gamble? We'd love to hear your thoughts in the comments below!

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Mariners Acquire Cooper Criswell from Mets: What This Means for Seattle (2026)
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