U23s manager Paul Heckingbottom looks set to take the job on a caretaker basis while the Blades find the right man to take the club forward in the long-term. Here's a rundown of the SkyBet's current front-runners for the job, ranked from the worst to best chance of becoming Sheffield United' s next manager:

17. Neil Lennon - Current odds: 4/1
Current job: Unemployed. Last club: Celtic. Career win percentage: 58% Photo: Ian MacNicol
5 / 5