Left-hander A.J. Puk could for Tommy John surgery, which announced a Tuesday, a punch with the top pitching prospect.
The A said in a release that doctors have recommended Puk Tommy John surgery to repair the ulnar collateral ligament in his pitching arm. Puk saw Dr. James Andrews after a first diagnosis of Dr. Doug Freedberg in Arizona for a second opinion about his elbow, as the A & # 39; s said.
The chronicle had reported last week that Puk had been eliminated with biceps pain. Previously, Puk had nominated a candidate for the Oakland rotation this spring.
The A already lost starter Jharel Cotton for the season to a demolished ulnar sideband that needed Tommy John surgery. Another starter, Paul Blackburn, is traveling with a forearm strain.
Matt Kawahara is a staff member of the San Francisco Chronicle. E-mail: email@example.com. Twitter: @matthewkawahara