A documentary about the infamous clashes between Roy Keane and Arsenal's Patrick Vieira is to air on RTÉ One tomorrow at 10pm.

The fascinating study sees both men come together to explain their tumultuous relationship and the programme details the animosity between the two including the tunnel bust up in 2005 and their on-pitch antics.

Keane and Vieira: Best of Enemies premiered on ITV4 last week but you can catch it on RTÉ One tomorrow, Wednesday December 18th at 10pm.