The Astros transferred Sousa (shoulder) to the 60-day injured list Saturday, Matt Kawahara of the Houston Chronicle reports.

Sousa underwent surgery Wednesday for thoracic outlet syndrome and will miss the rest of the season, Matt Kawahara of the Houston Chronicle reports.

Astros GM Dana Brown said Sunday it'll likely be "a few more weeks" before the full scope of Sousa's shoulder injury is determined, Chandler Rome of The Athletic reports.

The Astros placed Sousa on the 15-day injured list Thursday with left shoulder inflammation, Brian McTaggart of MLB.com reports.

Sousa was recalled from Triple-A Sugar Land on Thursday, Brian McTaggart of MLB.com reports.

Sousa was claimed off waivers by the Astros on Sunday and was subsequently optioned to Triple-A Sugar Land.

Sousa was designated for assignment by the Tigers on Friday.

The Tigers claimed Sousa off waivers from the Brewers on Tuesday, Curt Hogg of the Milwaukee Journal Sentinel reports.

Sousa (shoulder) was activated from the 60-day injured list and optioned to Triple-A Nashville on Monday.

Sousa (shoulder) was transferred to the 60-day injured list Friday.