At Lincoln, Huddersfield and Pompey, the Fratton chief welcomed starlets such as Emile Smith Rowe and Miguel Azeez from Arsenal – and Trevor Chalobah from Chelsea.
But who could the 43-year-old turn to next as he plots a promotion push at PO4 next term?
We’ve examined Transfermarkt.com’s stats from the 2021-22 PL2 and U18 Premier League campaigns to see who could be making the step into senior football next season.
There could be loan deals to be made, or even a permanent transfer or two, as the rising stars from the Premier League and Championship look to break free from youth football.
Here’s what we found out.
13. Alex Gibson-Hammond - Nottingham Forest
Another on the list who is efficient in both attack and defence, Gibson-Hammond has kept eight clean sheets this term while contributing to seven goals. If Steve Cooper's side miss out on promotion, he may fancy himself in the Championship next term, Picture: Nick Taylor/Liverpool FC/Liverpool FC via Getty Images Photo: Nick Taylor/Liverpool FC
14. Charlie Wellens - Manchester United
Wellens made three EFL Trophy appearances last season, and played in a 3-0 win over Bradford. In the PL 2 he registered six assists from right-back but also showed his ability at right-wing. Picture: Ash Donelon/Manchester United via Getty Images Photo: Ash Donelon
15. Marcel Lavinier - Spurs
An all-round mondern right-back, Lavinier has turned provider on a number of occasions last season. With four assists to his name, the 21-year-old could be ready to step into senior football. Picture: Nathan Stirk/Getty Images Photo: Nathan Stirk