They were the beating hearts of England's two top teams for nearly a decade, but one defining moment sticks in the memory of football fans
Boxing had Ali and Frazier, Tennis had Borg and McEnroe and football had Keane and Vieira.
They have long since retired from playing, but Manchester United fans and Arsenal fans both lament the fact that they don't have players like Roy Keane and Patrick Vieira any more.
An emblematic duo, Keane and Vieira fought many battles on the fields of Highbury and Old Trafford, but their most unforgettable encounter actually came off the pitch.