The Houston Astros are signing reliever Miguel Castro to a minor-league deal with an invitation to major-league spring training, a person with knowledge of the deal confirmed Monday. Castro, 30, is a veteran right-hander who could compete for a bullpen spot in spring training or provide experienced upper-level depth.

The Houston Astros aren’t slowing down, taking advantage of free agency to sign a RHP who previously played for the Arizona Diamondbacks and New York Yankees. They offered him a modest contract that could turn into a significant opportunity for him.

The Houston Astros have signed free agent Miguel Castro to a minor league deal, according to multiple reports. The minor league contract includes a non-roster invite to Spring Training, where Castro will compete for a roster spot, which would earn him $1.5 million.

The Astros are in agreement with reliever Miguel Castro, as first reported by Jon Heyman of the New York Post. Ari Alexander of KPRC 2 specifies that it’s a minor league contract with a non-roster Spring Training invite. Castro, a Ballengee Group client, would lock in a $1.5MM base salary if he makes the MLB roster, according to Alexander.

The Houston Astros have been aggressive throughout the offseason, trading away Kyle Tucker and signing Christian Walker. Now, the Astros have bolstered their bullpen with an ex-Arizona Diamondbacks hurler.

The Houston Astros are making a savvy move to beef up their bullpen for the 2025 MLB season by signing Dominican reliever Miguel Castro. According to reports from Jon Heyman of the New York Post and Ari Alexander of KPRC 2,

Miguel Castro, the versatile veteran relief pitcher, has found a new home after signing a minor league deal with the Houston Astros, according to MLB insider Ari Alexander.