Callum McGregor couldn't believe Celtic only beat Kilmarnock 2-1 yesterday afternoon as he hailed his side's 'unbelievable' attacking display.
The skipper got things going early doors, driving a powerful strike into the bottom right corner, which gave substitute goalkeeper Kieran O'Hara no chance.
Daizen Maeda netted what turned out to be the winner in the second half, yet for all the golden opportunities the Parkhead side created, they scored just two goals.
Post-match, McGregor was in disbelief that his team didn't win by more because of how many opportunities they created: "[We played] some unbelievable football at times," he told Premier Sports.
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"I can't believe it was only 2-1. We created so many chances, and on another day, it could have been so comfortable for us.
"We have a wee bit of work to do on the finishing, but the guys have been superb all season."
The likes of Nicolas Kuhn, Kyogo Furuhashi, and Maeda were all culpable of missing some guilt-edged opportunities for Celtic on Saturday.
They are in the hat for Monday evening's fifth-round draw, though, with attention now turning to Wednesday's mammoth UEFA Champions League clash with Young Boys.
Taste victory, and Brendan Rodgers will lead his side into the promised land of European knockout football.