Paul Hartley's Dundee beat Dumbarton 6-2 at Dens Park; review of Saturday's League Cup action.
Adam Rooney handed Aberdeen a 1-0 victory over Ventspils and book a place in the third-qualifying round of the Europa League.
The first Old Firm league meeting for four years will be shown live on Sky Sports.
West Ham will face either Shakhtyor Soligorsk of Belarus or Slovenian side Domzale in the third round of Europa League qualifying.
Aberdeen left it late but took a 3-0 advantage from their Europa League second qualifying round first-leg tie against FK Ventspils.
Dundee United midfielder Willo Flood have left Aberdeen to return to Dundee United.
Aberdeen have completed the signing of Wes Burns from English Championship club Bristol City on a season-long loan.
Team news for Thursday's Europa League second qualifying round match between Aberdeen and FK Ventspils at Pittodrie.
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