Derby County’s squad is full of both experienced veterans and promising youngsters which worked well in League One.
However, it will well documented that improvements will be made to the team before they begin life in the Championship again as they need more quality and depth.
Paul Warne has previously admitted that he will be looking at the free agent market this summer to try and bolster his side.
There are a number of Championship free agents that he could target, but he also may look back into League One.
So here are 12 possible League One free agents that the Derby boss could look to add this summer.
1. Centre midfielder: Herbie Kane
Derby County have been linked with Kane already this summer as they look to find more quality in midfield to help fill the void left by Max Bird. Photo: Alex Livesey
2. Defender/midfielder: Callum Connolly
Connolly could help add depth at both centre back and in centre midfield as he switches between the positions. The versatility could be really useful as Derby look to bolster the spine of the team. Photo: CameraSport - Dave Howarth
3. Centre back: Jordan Williams
Jordan Williams can play at either centre back or full back, so would work well in Paul Warne's three at the back system. The Barnsley captain is only 24 and so could be along term add for the Rams. Photo: Pete Norton
4. Striker: Jonson Clarke-Harris
Jonson Clarke-Harris is leaving Peterborough United this summer. Derby were previously interested in him last summer, but his price was £1 million. He is now a free agent. Photo: David Rogers/Getty Images