However, only three were kept on by the Blues’ head coach, as the rest were forced to look elsewhere for their next career step.
But who were they?
Here are the players who trained with the Fratton Park outfit in pre-season 12-months-ago.
9. Layton Ndukwu
The former Leicester winger remains a free agent after his failed trial with Pompey last year. Picture: Michael Steele/Getty Images Photo: Michael Steele
10. Akin Odimayo
Odimayo signed for Swindon after his Pompey trial and became an important member of the Robins’ team. For Ben Garner’s side last season, he made 42 appearances before the play-off final defeat to Port Vale last month. Picture: Pete Norton/Getty Images Photo: Pete Norton
11. Sean Goss
The midfielder signed for Motherwell last summer and made 31 appearances for the SPL side in 2021-22. Picture: Ian MacNicol/Getty Images Photo: Ian MacNicol
12. Elijah Dixon-Bonner
Dixon-Bonner has been pictured with the League Cup and FA Cup trophies after featuring in the early rounds of Liverpool’s successful campaigns. After making two senior appearances last term, the 21-year-old has been released by Jurgen Klopp. Picture: Andrew Powell/Liverpool FC via Getty Images Photo: Andrew Powell