Introduced by Jonathan Sutherland. / / Highlights of the weekend's SPFL Premiership matches. Partick Thistle and Ross County meet at Firhill on Friday evening in a crucial game at the foot of the table. On Saturday lunchtime, Dundee face Hamilton in another key bottom-six match, with Motherwell versus St Johnstone kicking off at 3.00. In the top half, Rangers host Kilmarnock and Aberdeen play Hibs as the race to finish second enters the final straight. On Sunday, Hearts host Celtic at Tynecastle Park.