The former Caley Thistle man has already had problem with his thigh during the summer and, having returned from that, he is now likely to be out for a while longer.
Should Dargo miss Saturday's game - which is extremely likely - Saints will probably field a strikeforce of Billy Mehmet and Stewart Kean. Alternatively, Roy Dayan could be handed his debut. It is believed the Israeli has already signed for Saints - along with the Argentine who was on trial - but the club has yet to announce the double capture. This has prompted rumours of another a third signing, possibly someone on loan from the Old Firm. Take your pick from Scott Cuthbert, Steven Lennon, Jim O'Brien or someone completely different.