Lewis Mayo proves the Rangers connection never leaves you as he celebrates a famous Kilmarnock victory over Celtic. The Rugby Park side have blown the Scottish Premiership title race wide open with their second victory of the season over Celtic. Ex-Rangers midfielder Derek McInnes leads the Kilmarnock side as manager and earned a second Brendan Rodgers scalp of the season in the 2-1 victory. But Rangers fans will note the heroic performance and celebrations of Lewis Mayo, the centre-back central to what proved a famous day for Killie. It’s little wonder Derek McInnes was recently tipping the d…