Arsene Wenger has admitted his decade-long rivalry with Sir Alex Ferguson turned him into a 'monster' and that he felt 'physically sick' every time his Arsenal side lost to Manchester United.
Wenger's Arsenal and Ferguson's United competed for the Premier League title and other domestic honours for the better part of a decade following the Frenchman's arrival in north London in 1996.
Matches between the two bitter rivals carried an intensity not seen in the Premier League until that point and usually decided the destination of the title.
Sometimes the intensity around the games boiled over, such as the infamous 'Battle of the Buffet' at Old Trafford in 2004 when pizza was thrown at Ferguson in the tunnel.