Sharp has re-joined former boss Nigel Adkins who was his manager at Scunthorpe.
Saints expect he may be available to face Cardiff on Tuesday evening.
It's reported that Southampton have paid approx £1.8m for his services.
Sharp has re-joined former boss Nigel Adkins who was his manager at Scunthorpe.
Saints expect he may be available to face Cardiff on Tuesday evening.
It's reported that Southampton have paid approx £1.8m for his services.