Athletics transferred RHP A.J. Griffin to the 60-day disabled list.
A.J. Griffin underwent successful Tommy John surgery on Wednesday.
Athletics manager Bob Melvin confirmed Tuesday that A.J. Griffin will undergo season-ending elbow surgery Wednesday, though he's not of the exact procedure yet.
CBS Sports' Jon Heyman has confirmed that A.J. Griffin needs Tommy John reconstructive elbow surgery.
Joe Stiglich of CSN California reports that A.J. Griffin is likely to undergo Tommy John surgery next week.
A.J. Griffin will receive a second opinion on his ailing right elbow from Dr. Thomas L. Mehlhoff on Tuesday.
A.J. Griffin (elbow) is expected to begin doing strengthening exercises this week in Oakland.
Athletics placed RHP A.J. Griffin on the 15-day disabled list, retroactive to March 21, with a right flexor muscle strain.
A.J. Griffin has been shut down for the next three weeks due to flexor tendinitis in his elbow.
A.J. Griffin is expected to begin the season on the disabled list due to a right elbow issue.
A.J. Griffin was touched up for five runs on nine hits over 3 2/3 frames versus the Rockies Thursday.
A.J. Griffin was knocked around in Saturday's loss to the Rockies, surrendering three runs on six hits in his three innings of work.
A.J. Griffin allowed two runs in two innings of work in Monday's 7-3 victory over the Dodgers.
A.J. Griffin has been left off the A's ALDS roster.