NSW coach Brad Fittler has announced one change from Origin II, after the Blues sealed the series with an 18-14 win in Game Two.
Paul Vaughan has replaced Matt Prior and has been named in the front row, while Tariq Sims will come onto the bench to make his Origin debut.
Ryan James has been named as the 18th man, while Prior will be joined by Luke Keary as shadow players for Origin III.
The Blues will be out to claim their first clean sweep since 2000, and will look to do so at Suncorp Stadium on July 11.
NSW’s 18-man squad:
- James Tedesco (Sydney Roosters)
- Tom Trbojevic (Manly Warringah Sea Eagles)
- Latrell Mitchell (Sydney Roosters)
- James Roberts (Brisbane Broncos)
- Josh Addo-Carr (Melbourne Storm)
- James Maloney (Penrith Panthers)
- Nathan Cleary (Penrith Panthers)
- David Klemmer (Canterbury-Bankstown Bulldogs)
- Damien Cook (South Sydney Rabbitohs)
- Paul Vaughan (St George Illawarra Dragons)
- Boyd Cordner (c) (Sydney Roosters)
- Tyson Frizell (St George Illawarra Dragons)
- Jack de Belin (St George Illawarra Dragons)
- Tariq Sims (St George Illawarra Dragons)
- Jake Trbojevic (Manly Warringah Sea Eagles)
- Angus Crichton (South Sydney Rabbitohs)
- Tyrone Peachey (Tyrone Peachey)
- Ryan James (Gold Coast Titans)