There is no doubt that the main event is on the pitch but there will be plenty going on off it as Cardiff Blues take on Pau in the semi-finals of the European Challenge Cup.

Cardiff Arms Park is set for a bumper crowd as it hosts its first European semi final since 1996 when Cardiff Blues take on Pau on Saturday (KO 1.00pm)

There is no doubt that the main event is on the pitch but there will be plenty going on off it as Cardiff Blues take on Pau in the semi-finals of the European Challenge Cup.