Celtic know they need to respond this weekend in the hunt for the Scottish Premiership title after a disappointing draw at home to Kilmarnock last weekend. The Bhoys dropped points for the second time in three league matches under Brendan Rodgers following a late equaliser from the visitors, which led Rangers to take advantage against St Johnstone last Sunday, moving to the summit. Rodgers is now in a position where he needs to filter a siege mentality through to his playing staff as his side aim to reverse a two-point deficit that seemed unimaginable just a matter of months ago. Motherwell ar…