As Celtic prepare to face Motherwell this afternoon at Fir Park, Brendan Rodgers knows that he must claim all three points to replace Aberdeen at the top of the league. The Dons left it late last night as they defeated Dundee United 1-0 to go three points clear of Celtic at the summit of the Scottish Premiership table and nine ahead of Rangers who sit third. As Celtic look to beat The Steelmen and Rangers aim to close their own gap, BBC pundit Stephen Thompson was asked if Rangers can challenge Celtic for the title and how the Ibrox squad compares to Aberdeen’s. Stephen Thompson admits Rangers…