Team news and statistics for the weekend's action in the Clydesdale Bank Scottish Premier League.
(Current league positions in brackets)
Sunday, March 31
Sander Puri could make his St Mirren debut, having signed before the Scottish Communities League Cup final. Thomas Reilly, David Barron and Darren McGregor remain on the sidelines but the latter played 90 minutes for the under-20s in their victory at Motherwell on Thursday.
Celtic skipper Scott Brown had surgery on an abductor problem during the international break and will be out for four to six weeks. Thomas Rogne will out for two to three weeks with a hamstring injury while midfielder Joe Ledley is a doubt with a groin complaint. James Forrest (back) and Adam Matthews (hamstring) are still out but midfielder Victor Wanyama returns from suspension.
Last season: St Mirren 0 Celtic 2, Celtic 5 St Mirren 0, St Mirren 0 Celtic 2
Last five league matches: St Mirren L L W L D; Celtic D W L L W
Top scorers (all competitions): Steven Thompson (St Mirren) 15; Gary Hooper (Celtic) 26
Referee: Bobby Madden (Scotland)
Monday, April 1
St Johnstone have seen a number of fitness issues clear up during a 23-day period without a game. Tam Scobbie and Gary Miller have recovered from ankle problems, while Frazer Wright (Achilles) and Steven Anderson (ankle) had the chance to rest niggling injuries. Midfielder Patrick Cregg returns from suspension but long-term absentees David Robertson and Jamie Adams are both out.
Gary Mackay-Steven faces a race against time to make United's squad after picking up a hamstring injury on Scotland duty. Midfielder John Rankin remains suspended but Willo Flood returns from a ban. Striker Johnny Russell (broken leg) and defender Gavin Gunning (knee) remain on the sidelines.
Last season: St Johnstone 0 Dundee Utd 2, St Johnstone 1 Dundee Utd 5, Dundee Utd 0 St Johnstone 0, St Johnstone 3 Dundee Utd 3
Last five league matches: St Johnstone D W D L W; Dundee Utd W D D D D
Top scorers (all competitions): Murray Davidson & Rowan Vine (St Johnstone) 7; Johnny Russell (Dundee Utd) 20
Referee: Iain Brines (Scotland)