Pompey have reported back for pre-season duty today.
The hard work starts as Kenny Jackett looks to engineer the Blues' path into the Championship.
Along with the five summer signings, there could be free agents on trial attempting to win a Fratton Park deal.
It's a method plenty of past Pompey managers have used down the years, with the likes of Gareth Evans and Ben Davies winning contracts.
Test your knowledge on previous summer triallists at the Blues by taking our quiz...