Senga (shoulder) threw a 21-pitch live batting practice session Monday and said afterward that he thinks he'll return from the 60-day injured list around when he's first eligible to be activated May 27, Anthony DiComo of MLB.com reports.
Working his way back from a shoulder capsule strain, Senga also added that he will need to face hitters two more times before beginning a rehab assignment. That should put him on track for his first rehab start in early May, with a return before the end of the month being a possibility if all goes according to plan.