Sydney Roosters Head Coach Trent Robinson has named his 21-man squad ahead of Sunday's World Club Challenge clash against St Helens at Totally Wicked Stadium.

Captain Boyd Cordner has been ruled out of the match, which will see Sitili Tupouniua start in the second row.

Angus Crichton will start in the centre position inside Daniel Tupou on the left edge.

New recruit Kyle Flanagan will start at halfback alongside five-eighth Luke Keary.