Mariners Land Boston Smith, Domínguez, Jones in Luis Castillo Deal
Seattle sent ace Luis Castillo to Chicago and received three players including catching prospect Boston Smith at the summer trade deadline.
The Seattle Mariners acquired catcher Boston Smith, reliever Seranthony Domínguez, and outfielder Nolan Jones from the White Sox in exchange for starter Luis Castillo at the trade deadline. Smith, 23, is a left-handed-hitting catcher who posted a 158 wRC+ with 31 home runs across three minor league levels in 2026. He was originally drafted by Washington in the sixth round of the 2025 draft before being dealt to Chicago for Curtis Mead. Smith is now ranked 13th in the Mariners system with a 40 FV grade.
More on the Mariners wire.
Joe Espada to interview for Mariners manager vacancy after Astros move on
Per MLB.com, Joe Espada will interview for Seattle's managerial opening after Houston declined to renew his contract; no hire has been announced.
Mariners Seek Interview With Astros' Espada for Manager Role
Seattle has received permission to meet with Houston's Joe Espada, whose contract expires at month's end and whose future with the Astros is uncertain.
Espada Interviews for Mariners Manager Job
Former Astros manager Joe Espada is in the mix to fill Seattle's managerial vacancy, according to a sourced report.
Joe Espada to interview for Mariners manager vacancy, per source
Astros manager Joe Espada is being considered for Seattle's managerial opening, per MLB.com's Mark Feinsand, Daniel Kramer, and Brian McTaggart. No hire has been announced.
Espada Interviews for Mariners Manager Job
Former Astros manager Joe Espada is in the mix to fill Seattle's managerial vacancy, according to a sourced report.
Joe Espada to interview for Mariners manager vacancy, per report
Astros manager Joe Espada is being considered for Seattle's managerial opening, per MLB.com. No hire has been announced.