Manchester City fell to a 3-1 defeat to Lyon on Saturday night, but it could have been so different had Raheem Sterling put the English side ahead just moments before Lyon's break to go 2-1 up themselves.
This left Pep Guardiola livid and he produced a reaction that was caught by the cameras.
The coach first put his hands on his head as Moussa Dembele scored, then fell to his knees, then pulled some grass out of the ground and then threw it.