Aberdeen have called for greater "transparency" on ticket allocations for major cup clashes at Hampden Park.
Aberdeen chairman Stewart Milne wants the SPFL to seek a summit with the SFA after "several controversial decisions".
Hibernian are two points behind Hearts after beating Hamilton 6-0, while Aberdeen and Kilmarnock also won.
Aberdeen have lost their appeal against the two-game ban given to Scott McKenna by following his red card in the 1-0 loss at Celtic on Saturday.
Aberdeen manager Derek McInnes understands why Celtic are unhappy with the SPFL’s decision to switch their Scottish League Cup semi-final with Hearts to Murrayfield.
Ian Crocker and Andy Walker give their predictions for this weekend's fixtures in the Scottish Premiership.
Celtic's Scottish League Cup semi-final against Hearts has been moved to Murrayfield.
Aberdeen have appealed a two-match ban that has been offered to Scott McKenna for an incident involving Celtic player Odsonne Edouard
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