AJ Puk injury update: A's top pitching prospect facing Tommy John surgery Unknown 00:05 According to FanRag Sports, Puk is dealing with an elbow issue, but the A's have yet to acknowledge he has any kind of injury at all. Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsPremier League: Struggling Fulham sack Claudio Ranieri; Scott Parker appointed caretaker managerFormula One: Charles Leclerc records fastest lap of testing to buoy Ferrari's spirits; Pierre Gasly crashes Red BullDubai Championships: Roger Federer within two wins of 100th career title; Stefanos Tsitsipas sets up semi-final against Gael MonfilsCopa del Rey: Valencia beat Real Betis via solitary Rodrigo goal to set up final clash against BarcelonaRio Olympics bronze medallist Sakshi Malik stuns reigning world champion Petra Olli to enter final of Dan Kolov eventISL 2018-19: FC Goa seal second spot in standings after securing narrow victory over Chennaiyin FC