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.
![Number of players: 20. Average age: 24.4. Most valuable player: Cameron Burgess (£225k).](https://www.derbyshiretimes.co.uk/webimg/b25lY21zOjM2MWM4OTcyLThmNGYtNGNhNy04OWZiLTdlOWJlMGVlMTcxYjpiMjViNGUxMy0xNmY4LTRmMGYtOTcyMy01MzY5NzQ5OGEzMjQ=.jpg?crop=3:2&width=640)
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
![Number of players: 18. Average age: 23. Most valuable player: Callum Reilly (£225k).](https://www.derbyshiretimes.co.uk/webimg/b25lY21zOjRiMzVhODY0LWZhZjItNDRkNC04MzIwLTgyOGYwZDYwNDlhNjo0NjE2YzBhMC00NmQ0LTRlNzItYTNiZC1hNWQ2YjJiZDZhZWU=.jpg?crop=3:2&width=640)
2. AFC Wimbledon - Total squad market value = £968k
Number of players: 18. Average age: 23. Most valuable player: Callum Reilly (£225k). Photo: Alex Burstow
![Number of players: 23. Average age: 25. Most valuable player: Daniel Powell (£225k).](https://www.derbyshiretimes.co.uk/webimg/b25lY21zOmM1ZDk5MmFmLWIxNTYtNGQwMy04ZmEyLTY1ZDIzMDU3MzE1Njo3ZjY4MzU5ZC1lY2FjLTQxZTYtYmEwNC1lZWMxZjFkNmE2ZWQ=.jpg?crop=3:2&width=640)
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
![Number of players: 19. Average age: 26. Most valuable player: Jonathan Mitchell (£225k).](https://www.derbyshiretimes.co.uk/webimg/b25lY21zOjViMmNjZDY1LTBiZGQtNDZmNi1iMTc1LWE3MGY3ODNmYWIzNDo3OWIxNDY2ZS05OWMxLTRlMDktYmU0Yi04NjYzODVjNmEzYTI=.jpg?crop=3:2&width=640)
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