Premiership trio Ross County, Livingston and St. Mirren joined Rangers and Aberdeen in the Viaplay Cup Quarter-Finals.
Ross County needed extra-time to get the better of Airdrieonians after a thrilling encounter at the Excelsior Stadium. Goals from Kyle Turner, Jordan White and Simon Murray had the Staggies in control but a brace from Calum Gallagher and a late Josh O'Connor goal made it 3-3 and took the tie to extra time.
Eamonn Brophy headed home the winning goal to seal a 4-3 victory for Malky Mackay's men.
Joel Nouble and Cristian Montano found the net as Livingston defeated Ayr United 2-0 at the Tony Macaroni.
Caolan Boyd-Munce's first St. Mirren goal saw the Buddies get the better of top-flight rivals Motherwell 1-0 in Paisley.
Earlier in the day, Rangers came from behind to beat Greenock Morton 2-1 at Ibrox.
On Friday, Aberdeen ran out 2-1 winners away to Stirling Albion at Forthbank.
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