Ahead of the big kick-off next month, we've taken a look at how Transfermarkt rate every team's current market value - a controversial measurement which has thrown up some bizarre player worths in the past. Here's how Sunderland's squad market value shapes against every other League One side.
1. Accrington Stanley- Total squad market value = £855k
Number of players: 20. Average age: 24.4. Most valuable player: Cameron Burgess (£225k). Photo: Clive Brunskill
2. AFC Wimbledon - Total squad market value = £968k
Number of players: 18. Average age: 23. Most valuable player: Callum Reilly (£225k). Photo: Alex Burstow
3. Crewe Alexandra - Total squad market value = £1.3m
Number of players: 23. Average age: 25. Most valuable player: Daniel Powell (£225k). Photo: Harry Trump
4. Northampton Town - Total squad market value = £1.6m
Number of players: 19. Average age: 26. Most valuable player: Jonathan Mitchell (£225k). Photo: Pete Norton