Celtic’s win over Hearts keeps Brendan Rodgers’ unbeaten start to the Scottish Premiership going this weekend. Goals from Arne Engels and Luke McCowan kept Celtic’s five-point gap at the top of the table intact after Rangers’ win over Dundee United at Tannadice reduced what was an eight-point gap before the Ibrox club’s lunchtime kick-off. But it was what Brendan Rodgers told the players prior to the Hearts win that Cameron Carter-Vickers said inspired them to another clean sheet and three points in the defence of the Scottish Premiership title. Rodgers encouraged record-equalling Celtic perfo…