Remember when top of the table clashes were actually worthy of the hype? The football wasn't nearly as important as the sub-plots that the two team's mutual enmity created.
The early '00s rivalry between Manchester United and Arsenal was possibly English football's last great rivalry, encapsulated by the two hard-talking, hard-tackling captains Roy Keane and Patrick Vieira.
Now ITV are bringing the two men back together for a documentary titled Keane & Vieira: Best of Enemies, in which the pair will discuss some of the biggest moments of that compelling period.
"He wasn't frightening at all. Non, 'e excite me."