Luis Castillo traded from Seattle Mariners to Chicago White Sox
The Seattle Times • 1 min read • Latest: Aug 2, 2026, 8:15 PM
Last updated Aug 2, 2026
Luis Castillo was traded by the Seattle Mariners to the Chicago White Sox. The three-time All-Star's departure was made official on Saturday, with the Mariners receiving catching/outfield prospect Boston Smith, Triple-A outfielder Nolan Jones, and reliever Seranthony Dominguez in return. Castillo’s four-year tenure in Seattle included a pivotal role in ending the team's 21-year playoff drought. He expressed gratitude for his time with the Mariners, noting significant contributions in major games, including a shutout in a wild card playoff. As he joins the White Sox, Castillo aims to help the team reach the playoffs while the Mariners look to reclaim postseason contention this summer.
- •Castillo was acquired by Seattle in a 2022 trade from Cincinnati.
- •He earned an All-Star selection during the 2023 season.
- •Castillo helped end Seattle's 21-year playoff drought in 2022.
- •He contributed to crucial playoff moments for the Mariners.
- •Chicago will assume Castillo's contract obligations through 2028.
- 9:50 PMThe Seattle Times — Luis Castillo, Mariners teammates react to ‘shocking’ trade to White Sox - The Seattle Times
- 8:15 PMYahoo Sports — Luis Castillo Reflects on Time With Seattle Mariners
"Luis Castillo and some of his fellow starting pitchers talked about his trade to the White Sox before the veteran left to join Chicago. Here's what they said.
"The three-time All-Star spoke to the media a day after it was announced he was traded by the Mariners to the Chicago White Sox.
Sources
External links- The Seattle TimesAug 2, 2026, 9:50 PMLuis Castillo, Mariners teammates react to ‘shocking’ trade to White Sox - The Seattle Times
Luis Castillo and some of his fellow starting pitchers talked about his trade to the White Sox before the veteran left to join Chicago. Here's what they said.
- Yahoo SportsAug 2, 2026, 8:15 PMLuis Castillo Reflects on Time With Seattle Mariners
The three-time All-Star spoke to the media a day after it was announced he was traded by the Mariners to the Chicago White Sox.
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