Greene (elbow) threw a successful bullpen session Tuesday, Charlie Goldsmith of Fox 19 Now Cincinnati reports.
Greene stepped back on the mound for the first time since he underwent surgery in mid-March to remove bone chips from his right elbow. The report doesn't indicate where his velocity sat during the session, but Greene might not have been throwing at full intensity, anyway. The right-hander will likely need a couple more bullpen sessions before progressing to facing hitters and eventually going out on a rehab assignment. Greene is aiming to rejoin the Reds rotation sometime in July.