White Sox acquire Luis Castillo from Mariners ahead of trade deadline
6 sources • 2 min read • Latest: Aug 2, 2026, 5:17 AM
Last updated Aug 2, 2026
The Chicago White Sox have traded for starting pitcher Luis Castillo from the Seattle Mariners, two days before the Aug. 3 MLB trade deadline. Castillo, a three-time All-Star, will bolster the White Sox pitching rotation as the team leads the American League Central. In return, Seattle receives reliever Seranthony Dominguez, outfielder Nolan Jones, and catching prospect Boston Smith. The move marks a significant trade between two contending teams this season.
- •Luis Castillo is a three-time All-Star pitcher.
- •The trade occurs just before the MLB trade deadline.
- •White Sox lead the American League Central.
- •Mariners are 2.5 games out of an AL Wild Card spot.
- •Seattle receives Seranthony Dominguez, Nolan Jones, and Boston Smith.
- 5:17 AMYahoo Sports — Chicago White Sox Acquire 3-Time All-Star in Blockbuster Trade With Mariners
- 3:02 AMYahoo Sports — MLB trade deadline: Chicago White Sox acquire veteran pitcher Luis Castillo in deal with Seattle Mariners
- 2:37 AMYahoo Sports — Seattle Mariners Trade Starting Pitcher to Chicago White Sox
- 2:14 AMYahoo Sports — White Sox acquire Luis Castillo in 4 player trade with Mariners
- 2:00 AMYahoo Sports — Mariners send 3-time All-Star to White Sox before MLB trade deadline
- 1:58 AMYahoo Sports — MLB trade deadline: White Sox acquire starting pitcher Luis Castillo from Mariners
"W With less than 48 hours remaining until Monday’s MLB trade deadline at 6 p.m. ET, deals are starting to fly in. The latest came Saturday night when the Chicago White Sox and Seattle Mariners agreed to a blockbuster trade. White Sox Acquire 3-Time All-Star Chicago desperately needed starting pitching, and the front office addressed […] The post Chicago White Sox Acquire 3-Time All-Star in Blockbuster Trade With Mariners appeared first on HEAVY.
"ST. PETERSBURG, Fla. — Pitching is a priority for contending teams at the MLB trade deadline. And the Chicago White Sox helped themselves in that department Saturday night, acquiring veteran Luis Castillo from the Seattle Mariners for reliever Seranthony Domínguez along with minor-league outfielder Nolan Jones and catcher Boston Smith and conditional cash considerations. The Sox announced the ...
"The Seattle Mariners and Chicago White Sox pulled off the biggest trade of 2026, two days before the Aug. 3 MLB trade deadline. The White Sox are acquiring starting pitcher Luis Castillo, a three-time All-Star, according to multiple reports. The…
Sources
External links- Yahoo SportsAug 2, 2026, 5:17 AMChicago White Sox Acquire 3-Time All-Star in Blockbuster Trade With Mariners
W With less than 48 hours remaining until Monday’s MLB trade deadline at 6 p.m. ET, deals are starting to fly in. The latest came Saturday night when the Chicago White Sox and Seattle Mariners agreed to a blockbuster trade. White Sox Acquire 3-Time All-Star Chicago desperately needed starting pitching, and the front office addressed […] The post Chicago White Sox Acquire 3-Time All-Star in Blockbuster Trade With Mariners appeared first on HEAVY.
- Yahoo SportsAug 2, 2026, 3:02 AMMLB trade deadline: Chicago White Sox acquire veteran pitcher Luis Castillo in deal with Seattle Mariners
ST. PETERSBURG, Fla. — Pitching is a priority for contending teams at the MLB trade deadline. And the Chicago White Sox helped themselves in that department Saturday night, acquiring veteran Luis Castillo from the Seattle Mariners for reliever Seranthony Domínguez along with minor-league outfielder Nolan Jones and catcher Boston Smith and conditional cash considerations. The Sox announced the ...
- Yahoo SportsAug 2, 2026, 2:37 AMSeattle Mariners Trade Starting Pitcher to Chicago White Sox
Veteran pitcher and three-time All-Star Luis Castillo is heading to the White Sox in return for several players.
- Yahoo SportsAug 2, 2026, 2:14 AMWhite Sox acquire Luis Castillo in 4 player trade with Mariners
The White Sox pulled off a massive pre-MLB Trade Deadline move with the Mariners, involving this quartet and Luis Castillo.
- Yahoo SportsAug 2, 2026, 2:00 AMMariners send 3-time All-Star to White Sox before MLB trade deadline
The Seattle Mariners and Chicago White Sox pulled off the biggest trade of 2026, two days before the Aug. 3 MLB trade deadline. The White Sox are acquiring starting pitcher Luis Castillo, a three-time All-Star, according to multiple reports. The…
- Yahoo SportsAug 2, 2026, 1:58 AMMLB trade deadline: White Sox acquire starting pitcher Luis Castillo from Mariners
The White Sox made a significant addition to their rotation at the MLB trade deadline
Original reporting and copyright belong to the linked sources. SportsNewsReport.com aggregates and links — it does not republish full articles.
Related Stories
Last 14 days- MLB•Oct 17, 2026, 5:12 PMMariners manager candidate backs out of running for lesser job with Phillies
MLB•Oct 17, 2026, 2:09 PMSaturday morning Rangers stuff
MLB•Oct 17, 2026, 2:08 PMMets relief prospect Ryan Lambert off to strong start in Arizona Fall League
MLB•Oct 17, 2026, 12:31 PMGuardians News: Game 4 Now Tonight- MLB•Oct 17, 2026, 11:43 AMAmerican League Championship Series Game 4: Rays at Guardians, 7 p.m. CT
MLB•Oct 17, 2026, 11:37 AMCleveland Browns News and Rumors 10/17/26: It's a Law
