Joe Kelly (shoulder) threw a 35-pitch bullpen session Friday, Alex Speier of the Boston Globe reports.

Kelly (shoulder) threw a 35-pitch bullpen session Friday, Alex Speier of the Boston Globe reports.

Analysis:

Kelly has been on the 15-day DL since April 20 and is now beginning to throw bullpen sessions as part of his rehabilitation. He is expected to throw another bullpen session Tuesday and, depending on how it goes, could be close to starting a rehab assignment.