OAKLAND, Calif. — Oakland A’s right-handed pitcher Deolis Guerra had successful right elbow ulnar collateral ligament reconstructive surgery, the club announced today. The surgery was performed today at the Texas Metroplex Institute Surgical Center in Arlington, Tex. by Dr. Keith Meister. Dr. Meister performed the ulnar collateral ligament reconstruction using a palmaris longus tendon graft. The surgery went well and there were no complications. Guerra will remain in Arlington until Friday and then return to Oakland to begin his rehabilitation process.