Manchester United and Arsenal, Roy Keane and Patrick Vieira regularly locked horns during the heated rivalry that developed between the two teams.
Most notably, the pair clashed during the tunnel at Highbury before a Premier League game in February 2005, with Keane taking exception to what he viewed as Vieira 'picking on Gary Neville'.However, the two share a great respect for each and Tony Pastor, the man behind the 'Keane and Vieira: Best of Enemies' documentary, revealed the idea for the film stemmed from a meeting between the pair where Keane bought Vieira an ice cream.Speaking on William Hill's Press Box Confidential, Pastor said: "The two boys bumped into each other in Barcelona one night and immediately kind of embraced and got on.
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