David Moyes was sent-off in the latter stages of West Ham United's defeat to Frankfurt in the Europa League semi-final.
With the Hammers trailing 1-0, Moyes tried to speed up the ball returning to play but emotions boiled over and the Scot was giving his marching orders. He headed down the tunnel with 12 minutes remaining.
The Scot would later apologise for the incident, saying: "I kicked a ball back at a ball boy so I apologise for that. He threw the ball very softly at me."
