Rangers are being ripped to shreds after a desperate display at Kilmarnock has the Scottish footballing knives being sharpened. Everyone from the hapless Rangers leadership to Philippe Clement and the Ibrox squad are in the spotlight after falling six points behind in the Premiership title race. And now one SPFL manager has turned the screw, by suggesting that even teams in the Scottish Championship have more to offer than Rangers. READ MORE: Philippe Clement set for double striker boost as crocked duo returnDavid Martindale would have ‘no worry’ playing RangersLivingston manager David Martind…