Mariners' Luis F. Castillo: Booted from 40-man roster

Name: MLB Best Bets: Padres at Dodgers
Uploaded: 2026-07-04T16:25:00+00:00
Duration: 51 s
Description: Matt Snyder gives his best bet for the game between the Dodgers and Padres.

By RotoWire Staff

May 6, 2025 at 3:09 pm ET • 1 min read

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The Mariners designated Castillo for assignment Tuesday.

The transaction frees up a spot on the 40-man roster for waiver claim Leody Taveras. Castillo has posted a 7.71 ERA, 2.71 WHIP and 5:7 K:BB across seven innings (two starts) this season during his time in the majors.

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