Celtic have work to do in the Scottish Premiership title race after being knocked off top spot by their rivals at the weekend. Kilmarnock came to Parkhead last Saturday in a clash where the Hoops needed to win to give themselves a chance of retaining their lead at the summit, though they dropped points that have since proved costly. Courtesy of Rangers seeing off St Johnstone the following day, Brendan Rodgers’ men find themselves in the unfamiliar territory of second position heading into a congested run of fixtures. The Irishman gave an insight into his side’s psychology after letting a resu…