Manager Jayce Tingler said he expects Arrieta (hamstring) to start Friday against the Astros, AJ Cassavell of MLB.com reports.

EDGE Analysis

It was previously reported that the veteran right-hander was expected to return from the injured list this weekend, and it appears he'll rejoin the rotation for Friday's series opener. Arrieta surrendered five runs over 3.1 innings during his Padres debut before exiting with the hamstring strain.