Whe he played for Arsenal, Vieira engaged in many key individual battles to help his team, most notably against his fierce rival Roy Keane who possessed similar qualities to Vieira.The roots of this rivalry were partly due to both players' competitiveness and also the growing rivalry between Arsenal and Manchester United who consistently battled each other for the Premier League title.
Watch the famous tunnel incident where there was an altercation between Roy Keane and Patrick Vieira before an arsenal-man utd game:
Another incident with Keane :
