The Dolphins have made one change for their match with the Knights at Perth’s Optus Stadium.

In front of an expected crowd of over 45,000, Isaiya Katoa will partner Sean O’Sullivan in the halves.

Anthony Milford will play off the interchange bench, from where he has been so effective in the past month.

Jesse and Kenny Bromwich will both start in the middle, with Mark Nicholls the other starting prop.

The game against the Knights will be the first of two matches in the double header, with the Rabbitohs and Sharks to play in the second game.

Round 23 - Round 23 - Saturday 5 Aug

Dolphins

Knights

Fullback for Dolphins is number 1 Hamiso Tabuai-Fidow

Fullback for Knights is number 1 Kalyn Ponga
Winger for Dolphins is number 2 Jamayne Isaako

Winger for Knights is number 2 Dominic Young
Centre for Dolphins is number 3 Kodi Nikorima

Centre for Knights is number 3 Dane Gagai
Centre for Dolphins is number 4 Valynce Te Whare

Centre for Knights is number 4 Bradman Best
Winger for Dolphins is number 5 Tesi Niu

Winger for Knights is number 5 Greg Marzhew
Five-Eighth for Dolphins is number 16 Isaiya Katoa

Five-Eighth for Knights is number 6 Tyson Gamble
Halfback for Dolphins is number 7 Sean O'Sullivan

Halfback for Knights is number 7 Jackson Hastings

Prop for Dolphins is number 8 Jesse Bromwich

Prop for Knights is number 8 Jacob Saifiti
Hooker for Dolphins is number 9 Jeremy Marshall-King

Hooker for Knights is number 9 Phoenix Crossland
Prop for Dolphins is number 10 Mark Nicholls

Prop for Knights is number 10 Leo Thompson
2nd Row for Dolphins is number 11 Felise Kaufusi

2nd Row for Knights is number 11 Tyson Frizell
2nd Row for Dolphins is number 12 Connelly Lemuelu

2nd Row for Knights is number 12 Lachlan Fitzgibbon
Lock for Dolphins is number 13 Kenneath Bromwich

Lock for Knights is number 13 Adam Elliott

Interchange for Dolphins is number 6 Anthony Milford

Interchange for Knights is number 14 Kurt Mann
Interchange for Dolphins is number 14 Herman Ese'ese

Interchange for Knights is number 15 Brodie Jones
Interchange for Dolphins is number 15 Josh Kerr

Interchange for Knights is number 16 Jack Hetherington
Interchange for Dolphins is number 17 Jarrod Wallace

Interchange for Knights is number 17 Mat Croker