Luis Van Gaal men were booed at Old Trafford after they failed to convert their dominance at first half, this takes United to 10th consecutive matches without a goal in first half of play.
Things paid off lately when Captain Wayne Rooney converted a penalty at 93rd minutes of stoppage time after substitute Memphis Depay was fouled by Dean Hammond.
Things even get worst when playmaker Juan Matta limped out of play due to an injury blow.