Hearts boss Robbie Neilson hit out at referee Willie Collum after Calum Paterson's red card in their defeat at Hamilton.
Aberdeen equalled their best start to a league campaign as they won 2-0 at Partick on Saturday, while Hearts lost 3-2 at Hamilton.
Scottish League Cup holders Celtic will play Raith Rovers at home in the third round of the competition.
The SPFL mascot race ends in controversy with the winner being a guest entry who didn't belong to a football club!
Premiership Dundee, Hamilton and Partick were all dumped out of the Scottish League Cup at the second round stage.
Hearts maintained their perfect start to the season with a comfortable 3-0 win over Partick Thistle at Tynecastle.
Neil McCann says Ronny Deila showed the quality of his Celtic squad after making nine changes against Dundee United.
Former Hearts boss Jim Jefferies says his old club can push Celtic all the way in the Scottish Premiership title race.
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