St George Illawarra coach Paul McGregor has finalised his 17 for the Dragons' Round 20 clash against the Sydney Roosters at Allianz Stadium.

Tyson Frizell (hamstring) has come through training this week with flying colours, with Blake Lawrie and Jai Field dropping out of Saturday's amended squad.

NRL team for Round 20 v Sydney Roosters:

1. Matt Dufty – sponsored by Illawarra Mercury/St George & Sutherland Shire Leader
2. Jordan Pereira – sponsored by Relativity in the Loop
3. Euan Aitken – sponsored by University of Wollongong
4. Tim Lafai – sponsored by Kingsgrove Sports Centre
5. Jason Nightingale– 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. Tyson Frizell – sponsored by Val Morgan
12. Tariq Sims – sponsored by Stonemasons & Landscapers (since 1970)
13. Jack de Belin – sponsored by Wollongong Jetski

Interchange: 
14. Jeremy Latimore – sponsored by Addbuild Additions
15. Kurt Mann – sponsored by Wollongong Diagnostics
16. Leeson Ah Mau – sponsored by Westfund
17. Luciano Leilua – sponsored by Domus Lighting