Scrum-half Knoyle, who joins up for pre-season training with his new Gloucester team mates after the tour to Japan starts on the bench for the first of the two test tour. The 23 year-old is looking to build on the nine Welsh caps he has already earnt.
WALES to play Japan in Osaka
Liam Williams (Scarlets); Harry Robinson (Blues), Owen Williams (Blues), Jonathan Spratt (Ospreys), Dafydd Howells (Ospreys); Dan Bigger (Ospreys), Lloyd Williams (Blues); Ryan Bevington (Ospreys), Emyr Phillips (Scarlets), Scott Andrews (Blues), Bradley Davies (capt, Blues), Lou Reed (Blues), Andrew Coombs (Dragons), James King (Ospreys), Rob McCusker (Scarlets).
Replacements: Scott Baldwin (Ospreys), Rhys Gill (Saracens), Rhodri Jones (Scarlets), Andries Pretorius (Blues), Dan Baker (Ospreys), Tavis Knoyle (Scarlets), Rhys Patchell (Blues), Tom Prydie (Dragons)