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:
5. Neil Lennon - Current odds: 22/1
Current job: Unemployed. Last job: Celtic. Overall career win percentage: 58.1%
Photo: Ian MacNicol
6. Sol Campbell - Current odds: 20/1
Current job: Unemployed. Last job: Southend United. Overall career win percentage: 22.6%
Photo: James Chance
7. Russel Martin - Current odds: 20/1
Current job: MK Dons. Overall career win percentage: 35.3%
Photo: Pete Norton
8. Michael Duff - Current odds: 20/1
Current job: Cheltenham Town. Overall career win percentage: 45.2%
Photo: Dan Istitene