William ##pool Scottish Cup quarter - final ended in a 1 - 1 draw at home . Referee sent off Celtic defender Virgil ben Dyke and liver United 's Paul Paton ( in a case of mistaken identity ) and Paul ##erson . Ronny Deila has saved Aidan Connolly from diving to win a penalty . Nadir Ciftci opened the scoring for the hosts from the penalty spot . Leigh Griffiths converted a penalty before equalising for the winner .
William Hill Scottish Cup quarter-final ended in a 1-1 draw at Tannadice . Referee sent off Celtic defender Virgil van Dyke and Dundee United 's Paul Paton ( in a case of mistaken identity ) and Paul Dixon . Ronny Deila has accused Aidan Connolly from diving to win a penalty . Nadir Ciftci opened the scoring for the hosts from the penalty spot . Leigh Griffiths missed a penalty before equalising for the Hoops .