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 truly bizarre player worths in the past. Here's how Barnsley's squad market value shapes against every other Championship side
9. Cardiff City - Total squad market value = £43m
Number of players: 22. Average age: 29. Most valuable player: Josh Murphy (£5m). Photo: Stu Forster
10. Derby County - Total squad market value = £38.8m
Number of players: 24. Average age: 26. Most valuable player: Jayden Bogle (£5.7m). Photo: Nathan Stirk
11. Middlesbrough - Total squad market value = £35.9m
Number of players: 20. Average age: 26. Most valuable player: Dael Fry (£5m). Photo: Alex Davidson
12. Swansea City - Total squad market value = £30.8m
Number of players: 23. Average age: 26. Most valuable player: Andre Ayew (£4.3m). Photo: David Rogers