Rangers will be expected to rack up a 20th victory under Philippe Clement without too much fuss. The Belgian has hauled his side right back into the title race with just one defeat in his 23 games since replacing Michael Beale.
Todd Cantwell is enjoying a purple patch, with five goals in his last eight appearances, the oft-maligned Cyriel Dessers has quietly crept into double figures, John Lundstram has been re-energised and Ridvan Yilmaz is finally looking the part.
Ayr United are huge underdogs but new manager Scott Brown knows a thing or two about winding up the Ibrox crowd. The presence of the former Celtic captain is sure to make for a more heated atmosphere than usual for these kind of David v Goliath fixtures.
Ally MacLeod was in charge of the Honest Men when they last beat Rangers, in October 1975, and you have to go all the way back to 1959 for an Ayr United victory at Ibrox.