They're getting injured and requiring surgery at an alarming rate, the Ringer reports
                                
                                
                                    (Newser) -
                                    Baseball has an "ace problem," writes Ben Lindbergh in the  Ringer . As in, its pitchers are getting injured at an alarming rate and requiring Tommy John surgery to fix their elbows. More precisely, to repair their ulnar collateral ligament, or UCL. Talk of a "Tommy John epidemic"...