As Rangers prepared to host Kilmarnock at Ibrox, all the talk was about Brendan Rodgers’ Celtic Park Old Firm party. The Parkhead manager drew substantial criticism from Rangers supporters for comments about ‘having a bit of fun’ when the Ibrox side roll into town next weekend. Rodgers had also ramped up what he described as ‘scoreboard pressure’ heading into Rangers’ Ibrox clash against Derek McInnes’ Europe bound Kilmarnock team. It’s clear the Celtic manager was hoping for the chance to be crowned Scottish Premiership champions in front of his own fans next week after defeating Hearts 3-0 a…