Frequently Asked Questions
Who did the White Sox trade to get Luis Castillo?
The White Sox sent reliever Seranthony Domínguez, outfielder Nolan Jones, and catcher Boston Smith to the Seattle Mariners. Smith was the organization's No. 15-ranked prospect and had just reached Double-A.
How much money is Luis Castillo owed on his contract?
Castillo is owed $22.75 million for the remainder of this season and another $22.75 million in 2027. There is also a $25 million vesting option for 2028 if he throws 180 innings in 2027, though that converts to a $5 million club option if he misses 130 or more days due to a UCL injury.
Why has Luis Castillo struggled this season?
Castillo's strikeout rate has dropped from a career 25% down to just 19% this season, largely because his changeup has become ineffective. Opponents are posting a .345 expected batting average against the pitch, so he has only been throwing it 13% of the time.
Who is Boston Smith and why does including him make this trade risky?
Boston Smith is a catching prospect the White Sox had recently acquired from the Tampa Bay Rays in the Curtis Mead trade. He was hitting .291 with a 1.037 OPS across three minor league levels this season before being dealt to Seattle.
What is Luis Castillo's career track record before this season?
Castillo is a three-time All-Star with a career 3.65 ERA who finished fifth in Cy Young voting in 2023. He has thrown 170-plus innings in six of his ten MLB seasons and led the league in games started in both 2021 and 2023.
Mitchell Kaminski
I’m a Bradley University Sports Communication graduate with five years covering the Chicago White Sox and experience broadcasting for ESPN-partnered Bradley Athletics. I’ve worked as a radio play-by-play announcer in Missouri and currently serve as a TV reporter for ABC 17 News in Columbia.
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