A fresh appointment could revitalise Pompey's push for the play-offs, as the club look to break back into the second-tier for the first time since 2012. Here's a rundown of the top twenty candidates currently in the running for the job, ranked from lowest to highest chance of becoming the next Portsmouth manager:
13. Sean O'Driscoll - Current odds: 22/1
Current job: Head of coaching and learning for Portsmouth's academy. Last job: Walsall. Photo: Charlie Crowhurst
14. Ryan Lowe - Current odds: 20/1
Current job: Plymouth Argyle. Overall career win percentage: 43.5% Photo: Pete Norton
15. Chris Wilder - Current odds: 22/1
Current job: Unemployed. Last job: Sheffield United. Overall career win percentage: 43.7% Photo: MIKE EGERTON
16. Chris Coleman - Current odds: 20/1
Current job: Unemployed. Last job: Hebei China Fortune. Overall career win percentage: 32.9% Photo: Catherine Ivill