article_snippet.sent: Manchester United's felt Manchester United's should have had a penalty in the opening minutes of the match at Old Trafford when  Rooney (left) fell in the box .
article_snippet.sent: The Manchester United's skipper  appeals to the officials after being denied a penalty during the opening exchanges at Old Trafford .
article_snippet.sent: Rooney (left) attempts an overhead kick midway through the first half as both sides try to break the deadlock at Old Trafford .
article_snippet.sent: For long periods, United midfielder Ander Herrera (left) cut an unhappy figure, beating the turf in frustration and arguing with referee Roger East after beind denied a penalty for Ciaran Clark's early challenge in the area where United midfielder Ander Herrera (left) seemed to grab the United striker by the back of the neck.
article_snippet.sent: If United midfielder Ander Herrera (left) reflects on it later, maybe United midfielder Ander Herrera (left) over-dramatic fall to the ground persauded the official not to award a spot-kick.