St George Illawarra coach Paul McGregor has cut his squad to 19 ahead of the Dragons' Round 10 clash against the Cronulla Sharks at UOW Jubilee Oval, Kogarah on Friday night.

Siliva Havili and Luciano Leilua have dropped out of the initial 21-man squad that was named on Tuesday afternoon.

NRL Squad for Round 10 v Cronulla Sharks

1. Jason Nightingale
2. Nene Macdonald
3. Euan Aitken
4. Tim Lafai
5. Taane Milne
6. Kurt Mann
7. Josh McCrone
8. Russell Packer
9. Cameron McInnes
10. Paul Vaughan
11. Tyson Frizell (c)
12. Joel Thompson
13. Jack de Belin
Interchange: 
14. Tariq Sims
15. Leeson Ah Mau
16. Hame Sele
17. Jai Field
18. Kalifa Faifai Loa
19. Jacob Host

NYC Squad for Round 10 v Cronulla Sharks:

1. Steven Marsters
2. Matheson Johns
3. Reuben Garrick
4. Zac Lomax
5. Jason Gillard
6. Tristan Sailor
7. Jackson Willis
8. Stuart Mason
9. Reece Robson
10. Matt Sheppard
11. Jackson Ford
12. Jayden Morgan
13. Joe Lovodua
Interchange:
14. TJ Uele
15. Tom Angel
16. Dylan Morris
17. Hayden Lomax
18. Trent Peoples
19. Cooper Purcell
21. Max Bailey