Pundits Chris Iwelumo and Shelley Kerr were in agreement that Nir Bitton deserved a red card against Dundee United.
With Celtic pushing for a winner, the midfielder received his second booking from referee Euan Anderson for a shove on Declan Glass.
Having already been shown a yellow for professional foul on Tony Watt the whistler was left in little doubt over the decision - though many fans felt a foul on Greg Taylor in the build-up had been missed.
