24-hour warning: Round 23 v Roosters

St George Illawarra coach Paul McGregor has trimmed his squad to 19 ahead of the Dragons' Round 23 clash against the Sydney Roosters at Netstrata Jubilee Stadium, Kogarah on Saturday, August 24.

Patrick Kaufusi hasn't passed all necessary concussion protocols and has been ruled out. Jacob Host takes his place in the 17.

Josh Kerr is the other player to drop out of Tuesday's initial squad.

NRL squad for Round 23 v Sydney Roosters –

1. Corey Norman – sponsored by Illawarra Mercury/St George & Sutherland Shire Leader
2. Zac Lomax – sponsored by Tosich Group Construction
3. Euan Aitken – sponsored by University of Wollongong
4. Tim Lafai – sponsored by Kingsgrove Sports Centre
5. Jonus Pearson – sponsored by SMAI
6. Gareth Widdop (c) – sponsored by Dynamic Projects
7. Ben Hunt – sponsored by Paul's Customs and Forwarding Solutions
8. James Graham – sponsored by EFEX
9. Cameron McInnes – sponsored by Floormania
10. Paul Vaughan – sponsored by My Muscle Chef
11. Jackson Ford – sponsored by Wollongong Jetski
12. Luciano Leilua – sponsored by Stonemasons & Landscapers (since 1970)
13. Tyson Frizell – sponsored by Val Morgan

Interchange: 
14. Jeremy Latimore – sponsored by Dincel Construction System
15. Korbin Sims – sponsored by Stonemasons & Landscapers (since 1970)
16. Blake Lawrie – sponsored by Professionals Padstow
20. Jacob Host – sponsored by Domus Lighting
18. Tristan Sailor
21. Mikaele Ravalawa