The Johannesburg franchise must secure at least a win to keep their chances of making the URC playoffs alive. As such, the Cape Town derby is set to be a humdinger.While the Stormers can’t finish outside the top-eight, they will want to enter the playoffs with momentum, while defeat to the Emirates Lions could see them drop down the standings for a tougher quarterfinal.The Lions, meanwhile, will want to repeat their fifth-round victory in 2021 in Cape Town. If they can do that and bag a bonus-point, the men from Johannesburg could sneak into the top eight. They are currently tied on 49 log…