A clip of Rosenior failing to control the ball midway through Chelsea's Carabao Cup semi-final loss to Arsenal on Tuesday has gone viral.
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And the Blues manager laughed on Friday: "The lads have played it back to me on the video and we've had a laugh about it.
"Estevao said he can't believe that I was a professional footballer.
"You've got to (laugh at yourself). This is a great job. I love this job. I am serious in many aspects and demanding in many aspects. Life is too short.
"You have to enjoy life. You have to be able to laugh at yourself. At the moment, a lot of people in this country have been laughing at me."
Watch below: