United expect at least their quota of added time , as Mark Hughes will testify .
United profited from it again when United scored in the 93rd minute to deny Sunderland what would have been United 's first win at Old Trafford in 23 attempts .
United expect at least their quota of added time , as Mark Hughes will testify , and they profited from it again when they scored in the 93rd minute to deny Sunderland what would have been their first win at Old Trafford in 23 attempts .