United fell to a fifth successive away defeat, for the first time in 38 years, thanks to goals from Richarlison, Gylfi Sigurdsson, Lucas Digne and Theo Walcott.
Super Rugby's all-time record try scorer had the choice of accepting the decision or challenging it through a tribunal, and opted for the latter.
Fabio Fognini insists his bad boy image is now a thing of the past
David Pocock is heading for more time on the sidelines after being sent home from South Africa to continue his recovery from a calf injury.
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