Smyth starts for Buddies; Jensen missing for Donspublished at 14:26 British Summer Time 3 May
St Mirren v Aberdeen (15:00)
St Mirren's Stephen Robinson has made just one change from the 2-2 draw with Rangers last weekend - Oisin Smyth replaces Caolan Boyd-Munce in midfield.
Meanwhile, Aberdeen's Jimmy Thelin has made two alterations from their victory over Hibs.
Right-back Nicky Devlin and winger Jeppe Okkels are in from the start, defender Richard Jensen is out of the squad, while forward Papa Gueye is on the bench.