Ray (hamstring) is scheduled to throw 50-to-60 pitches in a bullpen session Wednesday, Shayna Rubin of the San Francisco Chronicle reports.
The left-hander threw two- and three-inning simulated games Wednesday and Saturday, respectively, and he'll continue building up his workload with a bullpen session. Ray landed on the shelf Aug. 27 due to the hamstring strain, and he appears to be closing in on his return to San Francisco's rotation.