Dubin (forearm) was activated from the 15-day injured list Saturday.

Dubin (forearm) began a rehab assignment with Triple-A Sugar Land on Sunday.

The Astros placed Dubin on the 15-day injured list Thursday with a right forearm strain, Brian McTaggart of MLB.com reports.

Manager Joe Espada said that Dubin (shoulder) threw a live batting practice session Monday at the Astros' spring training facility, Chandler Rome of The Athletic reports.

Dubin (shoulder) resumed playing catch Thursday, Brian McTaggart of MLB.com reports.

Dubin (shoulder) has not yet been cleared to resume a throwing program, Brian McTaggart of MLB.com reports.

Dubin will be shut down from throwing for three days because of right shoulder inflammation, Brian McTaggart of MLB.com reports.

Dubin (undisclosed) has struck out seven while allowing two earned runs on two hits and three walks over 4.1 innings across two appearances since being reinstated from Triple-A Sugar Land's 7-day injured list Aug. 17.

The Astros optioned Dubin to Triple-A Sugar Land on Monday, Chandler Rome of The Athletic reports.

Dubin allowed a run on three hits and two walks while striking out three over four innings, taking a no-decision in Sunday's 5-3 win over the Rangers.