Managers from across the division eyed the top tier as a source of young, hungry players who could improve their squads for the season ahead while on loan.
So the Blues were no exception as up-and-coming, talented youngsters arrived on the south coast from Manchester City, Arsenal, Leicester, and Norwich respectively.
However, only Gavin Bazunu, who joined from the current Premier League champions, has enjoyed a successful loan period in PO4 to date, as Miguel Azeez, George Hirst, and Gassan Ahadme have all struggled to make an impact.
Yet this has been a worrying trend across League One this term, with the levels of success enjoyed by these loanees varying across division.
Click through to see who from the Premier League has made the most loan appearances in League One this term and where Pompey’s own rank.
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13. Daniel Phillips (Gillingham): 270
Age: 20, Position: CM, Parent club: Watford, Appearances: 3. (Photo by Richard Heathcote/Getty Images) Photo: Richard Heathcote
14. Ryan Edmondsom (Fleetwood Town): 273 minutes
Age: 20, Position: ST, Parent club: Leeds, Appearances: 9. (Photo by Pete Norton/Getty Images) Photo: Pete Norton
15. Jensen Weir (Cambridge): 291 minutes
Age: 19, Position: CM, Parent club: Brighton, Appearances: 7. (Photo by Jacques Feeney/Getty Images) Photo: Jacques Feeney
16. Dan N'Lundulu (Southampton): 424 minutes
Age: 22, Position: ST, Parent club: Southampton, Appearances: 10. (Photo by Andrew Couldridge - Pool/Getty Images) Photo: Pool