Here’s who Sky Bet believe are the lead candidates for the role….
1. Daniel Stendel
Odds: 20/1. He lead Barnsley to promotion last season, after finishing second in League One. Photo: Harry Trump
2. Fatih Tekke
Odds: 16/1. The former Turkey star has managed extensively in his home country, but is yet to win a trophy as coach Photo: Dima Korotayev
3. Danny Cowley
Odds: 16/1. The 40-year-old lead Lincoln to League One glory last season, and is a rising star in football management. Photo: Alex Davidson
4. Aitor Karanka
Odds: 16/1. He last position was at Nottingham Forest, where he picked up a 30% win rate in his one year spell. Photo: Alex Burstow