Mariners designate Casey Legumina for assignment, call up Alex Hoppe from Tacoma

April 21, 2026 Updated Tue., April 21, 2026 at 3:06 p.m.

Casey Legumina, pictured in a 2025 game, has pitched in eight games for the Seattle Mariners in 2026 with a 4.63 ERA. (Tribune News Service)

By Ryan Divish and Adam Jude Seattle Times

One bullpen arm’s on the way out. One fresh arm’s in.

The Seattle Mariners designated right-hander Casey Legumina – a former Gonzaga standout – for assignment on Tuesday, a day after he was tagged for three eighth-inning runs in a rare high-leverage appearance during a 6-4 loss to the Athletics.

Alex Hoppe, a 27-year-old right-hander with a big fastball, has been promoted from Triple-A Tacoma to join the M’s bullpen.

Hoppe has not allowed an earned run in eight appearances for the Rainiers this season, with just four hits allowed and a 12-to-3 strikeout-to-walk ratio in eight innings.

His first appearance for the Mariners will be his MLB debut.

This story will be updated

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Mariners designate Casey Legumina for assignment, call up Alex Hoppe from Tacoma

Jesse Tinsley

Jim Meehan

Molly Quinn

Rob Curley

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