Pompey boosted their options with two new additions this week – including Connor Ogilvie, who was a free agent after leaving Gillingham.
That deal shows there are still players out there in the third tier, who could prove useful additions to Danny Cowley’s squad.
So we’ve scoured the division’s retained lists for players who are still looking for a club and could prove a useful boost for the Blues – or their League One rivals.
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1. Kadeem Harris
Strictly speaking ended the season as a League One player after Sheffield Wednesday's relegation, but there's been Championship interest and is training with Reading Photo: Steve Ellis
2. Grant Leadbitter
A freebie as the veteran left Sunderland after their play-off defeat Photo: Stu Forster
3. Donald Love
Left Shrewsbury this summer, the former Sunderland right-back has yet to find himself a new home Photo: Catherine Ivill
4. Elias Kachunga
German striker left Sheffield Wednesday this summer and has yet to be confirmed as a signing at a new club Photo: Steve Ellis