Celtic can clinch yet another SPL title on Sunday after beating Motherwell 1-0 at Celtic Park.
Derek Riordan's 52nd minute goal proved decisive as Celtic took their time to break down a resolute Well outfit.
Should Rangers fail to win at St Mirren on Sunday the title will go to Gordon Strachan's troops.
Aberdeen are now anxiously looking over their shoulders at Hearts after going down 4-2 to Dundee United.
The game started at a blistering pace with efforts from Steve Lovell and a Darren Mackie penalty cancelling out Jon Daly's first minute spot-kick.
Noel Hunt brought The Tangerines level shortly after with Greg Cameron's 17th minute effort putting the visitors ahead for a second time.
Cameron bagged his second shortly after half-time to ensure Dundee United held on for their 10th SPL success of the campaign.
Hearts have closed to within three points of The Dons thanks to Michal Pospisil's late winner at home to Kilmarnock.
It proved a nervy last few moments for the Tynecastle outfit following Jose Goncalves' sending off in injury time.
Dunfermline have not given up hope of avoiding the drop and their late 1-0 win over Hibernian thanks to Philip McGuire has moved The Pars to within four points of St Mirren.
Carl Finnigan's late goal looked to have given Falkirk the win at Inverness Caledonian Thistle, but there was still time for John Rankin to bag a share of the spoils.
Elsewhere, Gretna missed the chance to win promotion to the SPL after going down 2-0 at home to St Johnstone.
A win at Raydale Park would have sealed Gretna's elevation to Scotland's top flight, but goals either side of half-time from Jason Scotland ruined their promotion party.