Nathan Brown has been forced to make changes to his Round 24 team ahead of Sunday's game against Cronulla at Southern Cross Group Stadium.
Kalyn Ponga has been ruled out of the game with an ankle injury.
The fullback turned five-eighth was unable to take part in the final training run on Saturday which sees Connor Watson return to the halves.
Pasami Saulo also drops off the extended bench.
Coach Brown will confirm his final 17 one hour before kick-off.
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TEAM
1. Nick Meaney
2. Ken Sio
3. Sione Mata'utia
4. Cory Denniss
5. Shaun Kenny-Dowall
20. Connor Watson
7. Mitchell Pearce ©
8. Herman Ese'ese
9. Danny Levi
10. Daniel Saifiti
11. Lachlan Fitzgibbon
12. Aidan Guerra
13. Mitchell Barnett
14. Jamie Buhrer ©
15. Chris Heighington
17. Josh King
18. Jacob Lillyman
19. JJ Felise
21. Luke Yates
Sunday, August 26 – Round 24
Sharks v Knights
Kick-off: 2pm
Venue: Southern Cross Group Stadium