Dundee twice came from behind to earn a 2-2 draw in a dramatic derby match in the William Hill Premiership at Tannadice on Sunday afternoon.
Kristijan Trapanovski gave Dundee United the lead after 13 minutes and Miller Thomson restored the hosts' advantage 10 minutes later after Seb Palmer-Houlden had equalised.
Luke McCowan squared things up from the penalty spot with 11 minutes left after Simon Murray had been brought down in the box by Ross Graham.
Celtic began the defence of their trophy with a 4-0 home win over Kilmarnock. Reo Hatate, Liam Scales, Nicolas Kuhn and Anthony Ralston were all on the scoresheet.
St Mirren kicked off their Premiership campaign with a 3-0 victory against Hibernian in Paisley thanks to a double from Oisin Smyth and a Roland Idowu goal.