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.
A message from the Editor, Mark Waldron
The News has launched a subscription offer which gives you unlimited access to all of our Pompey coverage, starting at less than 14p a day.
You can subscribe here to get the latest news from Fratton Park - and to support our local team of expert Pompey writers.
5. Lewis MacLeod
Been with Rangers and Wigan and left Plymouth Argyle this summer Photo: SNS Group Craig Williamson
6. Kieran Agard
Been prolific at times at MK Dons but be beset by injury problems Photo: The News
7. Tristan Nydam
Highly touted midfielder at Ipswich but fell foul of Paul Cook's brutal overhaul Photo: Justin Setterfield
8. Conor McLaughlin
Right-back didn't get a new deal at Sunderland this summer Photo: Frank Reid