But how did the biggest signings of the mid-season window fare? We look at the winners and losers...
1. Kortney Hause - Aston Villa
Hause played 12 times last season after joining on loan from Wolves and impressed so much that he earned a £3million permanent move in June. Photo: Nathan Stirk
2. Tyrone Mings - Aston Villa
A January recruit for Villa, Mings impressed on loan and a permanent move is reportedly on the cards with £15million the latest figure quoted. Photo: Nathan Stirk
3. Ashley Cole - Derby County
The former Chelsea man was used 11 times by Frank Lampard as they made it to the play-off final, but it looks like he'll retire after leaving at the end of the season. Photo: Richard Heathcote
4. Kiko Casilla - Leeds United
Casilla joined Leeds from Real Madrid and ousted Peacock-Farrell as number one, but will be remembered for the mix up that allowed Derby to score in the play-offs. Photo: Clive Mason