Ange Postecoglou insists there's no limit to what Celtic can achieve after they blew St Johnstone away.
The Parkhead side raced nine points clear of Rangers at the Premiership summit as they walloped Saints 7-0 with a near-perfect performance.
Goals from Reo Hatate, Giorgos Giakoumakis, Daizen Maeda, Josip Juranovic, Liel Abada and a double from Matt O'Riley sent the leaders flying over another hurdle in their quest to regain the league title.
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