#1 Manchester United 8 Arsenal 2 (Premier League, August 2011)
On August 28th, 2011, United inflicted their biggest win in history over Arsenal in a one-sided league match at Old Trafford. United's 8-2 victory was also Wenger's heaviest defeat in his managerial career.
On that day, Rooney grabbed a hat-trick, with Ashley Young scoring two beautiful curlers for his first United goals.
Everything went wrong for Arsenal in the match.
Van Persie failed to convert his penalty that would have leveled matters when United led 1-0. Also, defender Carl Jenkinson was sent off in the second half to give United numerical advantage.
The events that unfolded in this match will live long in the memory of United fans given how easily their team carved Arsenal open.
Edited by Shea Robinson