In the meantime, here's a look at how Portsmouth boss Kenny Jackett's career win percentage stacks up against every other manager in League One, ranked from worst to best record.
1. Neil Critchley - Blackpool
Average career win record: N/A - only managed four games so far. Photo: Lewis Storey
2. Ben Garner - Bristol Rovers
Average career win record: 12.5%. Best record: 12.5% (Bristol Rovers). Worst record: N/A. Photo: Harry Trump
3. Sol Campbell - Southend United
Average career win record: 22.6%. Best record: 26.7% (Macclesfield Town). Worst record: 17.4% (Southend United) Photo: James Chance
4. Glyn Hodges - AFC Wimbledon
Average career win record: 27.9%. Best record: 31% (AFC Wimbledon). Worst record: 25.7% (Barnsley) Photo: Alex Burstow