Jamie O’Hara expressed his admiration for Chelsea’s Conor Gallagher as a player following his match-winning goal yesterday against Leeds United in the FA Cup. Conor Gallagher, 24, came off the bench and scored a 90th minute winning goal to book Chelsea’s spot in the FA Cup quarter-finals, where they’ll host Leicester City next month. Mauricio Pochettino’s side left it very late to secure the 3-2 win against Leeds, but they’ll be delighted with a positive result just days after losing in the League Cup final to Liverpool. Gallagher, who received criticism at the weekend for missing big chances …