St J'stone v Aberdeen preview
St Johnstone could have Michael Doughty in their squad for the Scottish Premier League visit of Aberdeen after agreeing a deal to sign the QPR midfielder on loan.
Fellow midfielder Murray Davidson remains a doubt after missing the recent defeat against Motherwell with an ankle injury.
Gary Miller is out for eight weeks with an ankle injury suffered at Fir Park while Steven Anderson (knee) and Jamie Adams (back) remain out and Peter Pawlett has returned to Aberdeen since the Motherwell loss.
Aberdeen defender Russell Anderson has a chance of playing after missing the draw with Hibernian with what manager Craig Brown described as a training injury.
Gary Naysmith and Ryan Jack are still out but are edging towards fitness while reserve goalkeeper Jason Brown has left the club.
Andrew Considine (broken leg) and Chris Clark (broken ankle) are out for the rest of the season.