(Reuters) - Sunderland grabbed the upper hand over Manchester United by winning their League Cup semi-final, first leg 2-1 on Tuesday to compound a testing week for visiting manager David Moyes. Fabio Borini scored a second-half penalty to give the Premier League's bottom club a one-goal lead ahead of the return match at Old Trafford after a 52nd minute Nemanja Vidic header cancelled out Ryan Giggs's own goal in first-half stoppage time. ... More...