What I've spotted so far...
1. Dan Bentley
2. Kane Wilson
3. Jay Dasilva
4.
5. Rob Atkinson
6. Matty James
7.
8. Joe Williams
9. Chris Martin
10. Andy King
11.
12. Max O'Leary
13. Harvey Wiles-Richards
14.
15. Tommy Conway
16. Cameron Pring
17. Mark Sykes
18.
19. George Tanner
20. Sam Bell
21.
22.
23. Ryley Towler
24. Duncan Idehen
25. Timm Klose
26. Zak Vyner
27. Dylan Kadji
28.
29.
30. Han-Noah Massengo
52. Will Buse
Not yet seen in training or has no number printed etc.: Kal Naismith, Andreas Weimann, Antoine Semenyo, Nahki Wells, Tomas Kalas, Nathan Baker, Alex Scott, Ayman Benarous, Tyreeq Bakinson, Taylor Moore, James Morton, Owura Edwards, Saikou Janneh.
Obviously it can all change but if it didn't, can probably take a guess at a few... Naismith 4, Weimann 14, Semenyo 11, Wells 21, Kalas 22, Scott 7, Benarous 18... the rest, who cares?