Yankees first baseman Mark Teixeira will have season-ending surgery on his right wrist. The Yankees said Wednesday that the Teixeira had an MRI with dye contrast and that the team physician and three other New York-based hand specialists determined the torn tendon sheath had not adequately healed. Recovery time for the surgery is projected at six months. Teixeira was hurt while hitting off a tee March 5, when he was with the US team at the World Baseball Classic . . . Brian Cashman says he regrets the words he used in an angry response to Alex Rodriguez’s injury update on Twitter. Just before the first pitch of New York’s game, Rodriguez called Cashman around 5:30 p.m., and spoke with the GM. Full story for BostonGlobe.com subscribers.