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:
13. Slaven Bilic - Current odds: 10/1
Current job: Beijing Guoan. Last club: West Bromwich Albion. Career win percentage: 46.3% Photo: MARTIN RICKETT
14. Danny Cowley - Current odds: 8/1
Current job: Unemployed. Last club: Huddersfield Town. Career win percentage: 51.4% Photo: Naomi Baker
15. Eddie Howe - Current odds: 7/1
Current job: Unemployed. Last club: Bournemouth. Career win percentage: 41% Photo: Dan Mullan
16. Paul Heckingbottom - Current odds: 1/1
Current job: Sheffield United U23s boss. Career win percentage: 34.6% Photo: Ian MacNicol