Dean says he always applied laws - but which matches did he play games in?
Is there any evidence that former Premier League referee Mike Dean used to play mini-games during matches? BBC Sport has taken a look at the evidence.
Former Premier League referee Mike Dean says he did not intend to "undermine the integrity of refereeing" after claiming that he used to play mini-games to amuse himself during matches.
Dean had told Jamie Vardy's podcast that he would try to go as long as possible without blowing his whistle , or stay standing in the centre circle.
"We used to say, 'we'll kick off now. Right, see how long we can go without blowing a whistle'," Dean said.
"I've done that a few times in the Premier League, before VAR obviously - went 20, 25 minutes without blowing a whistle."
The 58-year-old has come in for considerable criticism for his comments with another former Premier League referee, Mark Halsey, telling BBC Sport that it had added extra pressure on officials today.
Dean posted a statement on his Instagram story on Friday where he did not retract his claim, but sought to explain the context.
"Throughout my 25 years as a professional referee, I have always applied the Laws of the Game to the best of my ability," Dean wrote.
"My approach as a referee was always to allow the game to flow and whenever possible I preferred to apply a high threshold for contact which the players liked.
"However, if I saw a foul challenge that needed me to take the appropriate action I would give it from the correct position.
"At no stage was it my intention to question, criticise or undermine the integrity of refereeing in this country.
"I have always respected the profession and the responsibility that comes with being a referee."
But is there any evidence that Dean did in fact play these games?
Could Dean really have played the mini-games?
Halsey said it would be "impossible" to hold the whistle for just a few minutes, let alone more than 20.
So BBC Sport looked at the Premier League games officiated by Dean from 2008-09 until 2018-19, when the video assistant referee was introduced.
The focus was on more than 200 games that were 0-0 after 15 minutes, meaning there would be no need for a whistle for a kick off after a goal.
Are there any games which might provide evidence that Dean was playing around?
Only five such examples could be found, with no game reaching 20 minutes.
The longest was 18 minutes 50 seconds for a game involving West Brom and Man United, which Crystal Palace and Stoke at 18 minutes 20 seconds.
This did back up Dean's claim to have "a high threshold", with no clear evidence of obviously missed free-kicks.
Plenty of goals in this game, but Sunderland did not take the lead until deep into first-half stoppage time.
So, plenty of time for Dean to hold his whistle?
The game was 13 minutes 39 seconds old before the referee first needed to use the whistle.
The ball had gone out of play for a throw, and it looked like a Sunderland player was going to try to continue.
To be fair, not much had happened before that which warranted a whistle.
A Sunderland player was brought down on 11 minutes 21 seconds, which was definitely a foul, and Dean played an advantage.
It was a valid decision, but many officials may have stopped the game.
Another game which was uneventful with no foul or offside in the opening changes.
The match was 16 minutes 42 seconds old when Alejandro Faurlin was fouled and won a free-kick.
Dean did blow the whistle at six minutes 25 seconds because a throw-in was not taken in the right place.
Would this count as a breaker for Dean's little game?
This is the best example we were able to find, and the closest to Dean's claim he could go 20 minutes without blowing the whistle.
Sadio Berahino eventually won a free-kick for a foul by Daley Blind after 18 minutes 50 seconds.
Dean did let a few challenges go, and played an advantage at 18 minutes and 10 seconds, but nothing which would suggest he had deliberately not given a foul.
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This might be the best example of Dean allowing the game to flow and not blowing his whistle.
It was 18 minutes 20 seconds in before he gave a free-kick for a foul on Stoke City's Ramadan Sobhi.
There was an incident on eight mins when he could have given a free-kick to Xherdan Shaqiri.
But other than that there was no case for a missed foul.
Crystal Palace 5-0 Leicester, April 2018
Dean finally blew his whistle at Selhurst Park after 16 minutes 3 seconds, awarding a free-kick to Hamza Choudhury.
That is a fair way into the match again, but not close of his claim to have go 20-25 minutes into a game without stopping it.
However, the referee blew the whistle on three minutes eight seconds to indicate a corner had been awarded. So it is difficult to say this one really counts.
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