St George Illawarra Dragons Under-20s coach Wayne Collins has named his mandatory 23-man squad for the team's Round 21 clash against the Newcastle Knights at WIN Stadium, Wollongong on Sunday, July 23.

The Under-20s will kick-off at 10:45am and will be the first curtain-raiser for the NRL fixture scheduled for 3pm.

The Dragons remain in the top four on the NYC competition ladder after a resounding win over the Manly Sea Eagles last week.

NYC Squad for Round 21 v Newcastle Knights:

1. Steven Marsters
2. Dane Francis
3. Reuben Garrick
4. Matheson Johns
5. Jason Gillard
6. Tristan Sailor
7. Jackson Willis
8. Stuart Mason (c)
9. Joe Lovodua
10. Josh Dowel
11. Trent Peoples
12. Jackson Ford
13. Brayden Gallagher
Interchange:
14. TJ Uele
15. Tom Angel
16. Elijah Hunt
17. Hayden Lomax
18. Bailey Dickinson
19. Jack Cross
20. Max Bailey
21. Dylan Morris
22. Vinnie Tikeri
23. Cooper Purcell