This has meant he couldn't complete the post-concussion return to play process this week, the Crusaders said in a statement.
Luke Romano will start alongside Scott Barrett, with Quinten Strange brought on to the bench. Matt Todd will now captain the side and Tim Bateman will be vice- captain.
Utility Mike Delany has jarred his knee at training on Thursday and will also miss this weekend's game, with Brett Cameron brought into the match-day 23 as first five-eighth cover.
Source:
Newshub