Meanwhile Blues South take on the Ospreys at Corus Port Talbot in the other game of round one, also at 7.15pm, Wednesday 2 September. The South have made an encouraging start to the season by recording wins over Northampton and Saracens in pre-season friendlies.
Blues North XV:
15 Rhys Walker 14 Gwillym Edwards 13 Jack Barrett 12 Callum Phillips 11 Kier Hughes 10 James Dixon 9 Joel Raikes
1 Jack Dunning 2 Ethan Lewis 3 Joel Day 4 Dan Morris 5 Chris Lacey 6 Muerig Owen Davies 7 Alex Jones 8 Garyn Daniel
Replacements:
16 Daniel Watts 17 Callum Lewis 18 Jordan Cleaver 19 Simon Pring 20 James Soanes 21 Lewis Montague 22 Connor Gay
Blues South XV:
15 Ruaidhri Smith 14 Ben Harding 13 Dominic Callaghan 12 Jack Phillips 11 Rhys Williams 10 Gareth Thompson 9 Luke O'Brien
1 Gavin Nash 2 Michael Perks 3 Ben Rookes 4 Luke Connolly 5 Zak Deere 6 Lewys Helyar 7 Rhys Woodman 8 Will Meades
Replacements:
16 Tom Crosse 17 Shaun Byrne 18 Rhys Owens 19 Ben Roach 20 Ollie Williams 21 Tome Perry 22 Jacob Morgan