The NRL have confirmed their officiating appointments for the weekend ahead, with Ashley Klein again firming as the leading referee in contention for the grand final by being appointed to the three biggest matches of the round.
Klein will officiate the crunch local derby on Sunday afternoon when the St George Illawarra Dragons host the Cronulla Shars.
Elsewhere, Gerard Sutton will take charge of Saturday's mega clash in Melbourne between the Storm and the Dolphins, while other games with finals implications will see Wyatt Raymond officiate the Warriors and Bulldogs, Grant Atkins take charge of the Raiders and Panthers, and Adam Gee referee the Titans and Roosters.
Here are all the appointments for both the men's Round 25, and Round 5 of the NRLW.
Referee: Belinda Sharpe
Touch judges: Ethan Klein and Brad Kiehne
Bunker official: Kasey Badger
Standby referee: Ethan Klein
Standby touch judge: Rhianna Boag
Referee: Luke Saldern
Touch judges: Billy Greatbatch and Dillan Wells
Bunker official: Matt Noyen
Standby referee: Billy Greatbatch
Standby touch judge: Blake Williams
Referee: Dan Schwass
Touch judges: Rochelle Tamrua and Izzy Davidson
Bunker official: Matt Noyen
Standby referee: Rochelle Tamarua
Standby touch judge: Tori Wilkie
Referee: Daniel Luttringer
Touch judges: Karra-Lee Nolan and Luke Saldern
Bunker official: Chris Butler
Standby referee: Luke Saldern
Standby touch judge: Will D'Amato
Referee: Clayton Wills
Touch judges: Billy Greatbatch and Dillan Wells
Bunker official: David Munro
Standby referee: Billy Greatbatch
Standby touch judge: Michael Ford