Previews - Rhinos v Celtic Crusaders and Crusaders Colts v Gateshead

Celtic Crusaders are preparing for their toughest game yet as they travel to Super League and World Champions Leeds Rhinos in the Carnegie Challenge Cup on Friday (kick-off 8pm).

The Crusaders will go to Leeds as the outsiders but will enter the field in the knowledge that they have already taken one Super League scalp this season after beating Harlequins in a pre-season friendly.

The Welsh side will have to play without full-back Tony Duggan, as the country