Wales coach Warren Gatland has made seven changes to the Wales side that beat Namibia 81-7 ahead of their Pool D crunch match with Fiji on Sunday.
Rhys Priestland is preferred to veteran fly-half Stephen Jones, while Mike Phillips returns to scrum-half duties.
Centre Scott Williams, prop Gethin Jenkins, flanker Ryan Jones, and full-back Lee Byrne are retained, while George North and Leigh Halfpenny start on the wings.
Wales: Lee Byrne, George North, Scott Williams, Jamie Roberts, Leigh Halfpenny, Rhys Priestland, Mike Phillips, Toby Faletau, Sam Warburton (c), Ryan Jones, Luke Charteris, Bradley Davies, Adam Jones, Huw Bennett, Gethin Jenkins
Replacements: Lloyd Burns, Paul James , Alun Wyn Jones, Andy Powell, Lloyd Williams, Stephen Jones, Jonathan Davies