The Mariners optioned Hoppe to Triple-A Tacoma on Wednesday.
After being acquired from the Red Sox in November, Hoppe was immediately added to the Mariners' 40-man roster heading into 2026. The 27-year-old righty has yet to make his big-league debut, but he could be a candidate to join the Mariners at some point later on in the season if he thrives with Tacoma. Hoppe split time between Triple-A Worcester and Double-A Portland in Boston's organization last season, logging a 4.55 ERA, 1.52 WHIP and 73:34 K:BB in 61.1 innings.
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Mariners' Alex Hoppe: Sent to Seattle
Rotowire
The Red Sox traded Hoppe to the Mariners on Tuesday in exchange for minor-league catcher Luke Heyman, Chris Cotillo of MassLive.com reports.
Hoppe spent time with Double-A Portland and Triple-A Worcester in 2025, logging a 4.55 ERA and 1.52 WHIP over 61.1 innings between the two levels. Now with the Mariners, Hoppe will claim a 40-man roster spot and presumably begin the 2026 season at Triple-A Tacoma, where he will be tested in the hitter-friendly Pacific Coast League. Tayler Saucedo was designated for assignment in a corresponding move.