The Chicago White Sox have acquired veteran right-hander Miguel Castro from the Houston Astros in exchange for cash considerations, according to FanSided’s Robert Murray.

Castro signed a minor league contract with the Astros this past offseason and didn’t make Houston’s Opening Day roster. The last time he took the mound in the Majors was July 29 of last season, as a member of the Arizona Diamondbacks. However, his efforts in Triple-A Sugar Land’s bullpen and Chicago’s need for relief pitching should present him with an opportunity to carve out a role.

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Former Mets reliever Miguel Castro gets opportunity to revive MLB career after trade to White Sox

In 17 appearances with Triple-A Sugar Land this season, Castro went 3-0 with a 2.29 ERA, 1.169 WHIP and 20 strikeouts across 19.2 innings. He finished 15 games for the Space Cowboys, recording five saves. His versatility and hard-throwing nature will be welcomed additions for the White Sox.

Chicago desperately needs any help it can get on the back end of their staff. Their ‘pen ranks 21st in ERA (4.42), 20th in strikeout rate and 19th in WHIP (1.35). Moreover, only the Los Angeles Angels’ relievers have a lower Win Probability Added (WPA) than the White Sox.

In other words, Castro’s arrival comes at a good time. The White Sox have taken a closer-by-committee approach in 2025, which has failed miserably. They’re pacing to finish dead last — by a long shot — in save percentage for a second consecutive season. Could the 30-year-old assume the role of being Chicago’s stopper?

It’s been an interesting journey for Castro throughout his MLB career. He entered the league as a highly-touted flamethrower, signing with the Toronto Blue Jays in 2011 before debuting four years later. The Dominican hurler was part of the blockbuster trade that sent five-time All-Star shortstop Troy Tulowitzki to the league’s lone Canadian franchise in 2015.

After stints with the Blue Jays and Rockies, Castro landed with the Baltimore Orioles before representing both Big Apple clubs. He was effective for the New York Mets and Yankees, but not great, then signed with the Diamondbacks. Arizona designated him for assignment before releasing him, leading us to where we are now.