St Johnstone player left ineligible, St Mirren still without talisman - team news and plus Scotsman prediction
On-loan St Johnstone midfielder Cammy MacPherson is ineligible to face parent club St Mirren on Saturday but Liam Craig returns from suspension.
Murray Davidson is back to fitness while Lars Dendoncker is available to return to the squad after a groin problem. Shaun Rooney and David Wotherspoon could return after recent injuries but James Brown is likely to remain sidelined with a hamstring issue.
St Mirren will assess defender Matt Millar's calf problem, while boss Jim Goodwin does not expect Jamie McGrath (hip) and Ethan Erhahon (hamstring) to make it for the weekend.
Last season: St Johnstone 1 St Mirren 0, St Mirren 3 St Johnstone 2, St Johnstone 1 St Mirren 0
Last five league matches: St Johnstone W L L D W; St Mirren W W L D L
Top scorers: Ali Crawford, Stevie May, Christopher Kane and Michael O'Halloran (St Johnstone) 2; Eamonn Brophy (St Mirren) 5
Match odds: H 5-4 D 21-10 A 12-5
Referee: Greg Aitken (Scotland)
The Scotsman’s prediction: With confidence high following an important 1-0 win over Dundee United, St Johnstone can keep momentum building with a win. St Mirren miss the attacking threat of Jamie McGrath.