Two Knights in Origin and another 18th man

David Klemmer and Kalyn Ponga have been selected for the State of Origin series opener.

Klemmer will start in the front row for NSW, while Ponga will wear the No.1 for Queensland.

Tim Glasby has been named 18th man for the Maroons.

Mitchell Pearce was unavailable for the Blues after picking up a groin injury in the win against the Roosters on Friday night.

NSW team for Origin I

James Tedesco, Nick Cotric, Latrell Mitchell, Josh Morris, Josh Addo-Carr, Cody Walker, Nathan Cleary, David Klemmer, Damien Cook, Paul Vaughan, Boyd Cordner, Tyson Frizell, Jake Trbojevic, Jack Wighton, Payne Haas, Cameron Murray, Angus Crichton

Queensland team for Origin I

Kalyn Ponga, Corey Oates, Michael Morgan, Will Chambers, Dane Gagai, Cameron Munster, Daly Cherry-Evans, Jai Arrow, Ben Hunt, Josh Papalii, Felise Kaufusi, Matt Gillett, Josh McGuire, Moses Mbye, Joe Ofahengaue, Dylan Napa, David Fifita, Tim Glasby