St Mirren beat Dundee United 2-0 at the Paisley 2021 Stadium on Friday night to move five points clear in the Ladbrokes Championship.
Paul McMullan saw a first-half penalty saved by Craig Samson and the visitors were made to pay after the break when Lewis Morgan grabbed a double for Jack Ross's side in front of 6,214 fans.
Saints now face Morton at Cappielow on Tuesday, live on BBC ALBA at 3.00pm, while United host bottom club Brechin City on the same afternoon.
