Mariners trade Castillo to the White Sox
The Seattle Mariners traded pitcher Luis Castillo to the Chicago White Sox. In return, the Mariners received another pitcher, an outfielder, a catching prospect, and cash. The announcement was made Saturday night.
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National story. 9 articles from 8 sources. Updated Aug 2, 2026.
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3 sourcesLuis Castillo, Mariners teammates react to ‘shocking’ trade to White Sox
After acquiring starter Luis Castillo, White Sox GM Chris Getz is still looking to deal
White Sox acquiring Mariners starter Luis Castillo for reliever Seranthony Dominguez, two prospects
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4 sourcesWhite Sox acquire Luis Castillo in deadline deal with Seattle Mariners
Seattle Mariners trade Luis Castillo to White Sox for Seranthony Domínguez, Nolan Jones
White Sox acquire starting pitching in Saturday night trade with Seattle