Rumour Mill: ‘Staggering disparity’ between O** F*** budgets | Rangers target starts United trial | Ajer to go on loan

Mark Warburton believes there to be ‘staggering disparity’ in budgets between Celtic and Rangers, Rangers target Matthew Knox has been invited by Manchester United for a third trial, and Celtic defender Kristoffer Ajer is set to go on loan to an English Championship side in January...