Celtic captain Brown has had his share of run-ins with Rangers. When Celtic thumped Rangers 5-1 in September 2016 he described it as 'men against boys', while Griffiths is often the subject of abuse from the home end at Ibrox. When he scored against Rangers in a 2-0 win in September 2017, he swung a Celtic scarf around his head and celebrated with Brown in front of angry supporters. He also cleaned his hand on a Rangers corner flag after wiping his nose, while in August he responded to a heckler at Glasgow airport by saying: "Your club's dead, mate.