Roy Keane has never been one to suffer fools gladly and demonstrated during his time as Sunderland boss that he was prepared to lose thousands of pounds to put anyone who irritated him in their place.
Back in 2007, the Irishman signed Craig Gordon from Hearts for what was then a British transfer record fee for a goalkeeper, but after a series of underwhelming performances in training, Keane decided to teach the Scot a brutal lesson.
The gloves are usually off when the former Manchester United skipper's unhappy, but this time it was the opposite.
