Pompey’s head coach has overseen 16 league matches, winning nine of them, to haul his team within three points of fifth spot in League One.
But how does his points tally since arriving at the Blues compare to all 72 Football League clubs?
We look at the top 15 clubs who are the highest points earners across the Championship, League One and League Two since January 20 – and it’s no surprise that Pompey feature.
9. 7) Peterborough - 26 points
Peterborough collected 26 points over the period, playing 14 games, winning eight and posting a goal difference of eight. Picture: Joe Dent Photo: Joe Dent
10. 6) Stockport - 27 points
Stockport collected 27 points over the period, playing 15 games, winning seven, with a goal difference of seven. Picture: David Munro Photo: David Munro
11. 4) Gillingham - 27 points
Neil Harris' Gillingham picked up 27 points over the period, playing 15 games, winning eight, with a goal difference of 27. Picture: Michael Steele/Getty Images Photo: Michael Steele
12. 4) Ipswich - 27 points
Ipswich have collected 27 points in the period, playing 12 matches, winning eight, with a goal difference of 21. Picture: Malcolm Bryce/ProSportsImages Photo: Malcolm Bryce