Luis Castillo
SP - Seattle Mariners
2026 Outlook
Roster %
Eligibility
Availability
The Mariners are not expected to trade Luis Castillo.
Fantasy Impact
Castillo has found his name in the middle of trade rumors over the past couple of seasons. He is coming off another steady year, posting a 3.54 ERA over 32 starts. He has remained the workhorse in the Mariners starting rotation. There have continued to be rumors of Seattle possibly trading a pitcher for a bat each of the past couple of seasons.
Luis Castillo allowed one earned run on just one hit while striking out ten over 7.1 innings in Wednesday's victory against the Rockies.
Fantasy Impact
After today’s win, Castillo is not slated to make another start during the regular season. Castillo now has a 3.54 ERA and 1.18 WHIP to go with an 11-8 record across 32 starts this season.
Luis Castillo tossed a stellar six innings, allowing just three hits and no walks while striking out three in Thursday's victory against the Royals.
Fantasy Impact
After today’s performance, Castillo now holds a 3.63 ERA and 1.23 WHIP with 10 wins and 8 losses across 31 starts this season. It's been a bit of a down season by Castillo's standard, but he has been servicable for fantasy managers. He's compiled 17 quality starts to give managers volume, but his strikeout rate is the lowest of his career. He'll look to close out his regular season next week against the Rockies.
Luis Castillo allowed one earned run on three hits and two walks while striking out five over six innings in Friday's victory against the Angels.
Fantasy Impact
After today’s performance, Castillo now has a 3.76 ERA and 1.26 WHIP to go with a 9-8 record across 30 starts this season. He has notched 149 strikeouts in 167 1/3 innings of work this year.
Luis Castillo allowed one earned run on four hits and no walks while striking out six over six innings in Sunday's victory against the Braves.
Fantasy Impact
After struggling with five earned runs in back-to-back starts, Castillo picked up his first quality start since August 8 yesterday. With the victory, Castillo now has a 3.85 ERA and 1.27 WHIP and a 9-8 record across 29 starts this season. His next scheduled start is Friday against the Angels.