Referee Mark Brown sends off Norwich City's Lewis Grabban for an alleged punch on Rotherham's Craig Morgan, but can you identify 10 of his colleagues - past and present? Try our photo quiz below. (Image: ©Focus Images Limitedwww.focus-images.co.uk+447814 482222)
How well do you know your football referees? Take our photo quiz to find out how many men in the middle you can identify.
If you missed any of our previous quizzes then you can still play them by clicking here
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