The Blues have identified the middle of the park needs strengthening after the poor start to the League One campaign.
Kenny Jackett's not satisfied how Tom Naylor and Bryn Morris have looked as a pair so far and instead looking for a fresh face.
Work’s presently going on behind the scenes to find that player as Pompey look to finally light the touchpaper to their campaign.
The Blues were linked with ex-Aston Villa man Jake Doyle-Hayes earlier this week.
But we’ve taken a look at some of the other engine-room operators who could potentially fit the bill...