Pompey loanee Alex Bass has undergone a scan on a knee injury.
However, Torquay boss Gary Johnson is hoping the keeper's setback is not too serious.
Bass, on loan at the Gulls for the campaign, picked up his complaint during his side’s 2-2 National League South draw at Woking on Saturday.
The Blues academy graduate was caught wrong footed from a deflection, causing his knee to jar and swell up.
Bass underwent a scan on his injury and Torquay await the results.
Gulls boss Johnson told Devon Live: ‘Alex's knee has certainly swelled up a bit and it looks like some sort of medial ligament damage.
‘He finished the game and managed to carry on kicking, so hopefully it's not too bad, but we need to find out what's gone on in there.’
Bass is not available for Torquay’s FA Cup third qualifying round tie at Brightlingsea Regent on Saturday as Pompey don’t want him to be cup tied.
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