In April, the Scotland international was ruled out for several months with a foot injury.
The UK will be on Wednesday 18 May 2022.
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The video shows McBurnie kicking out at a fan after the second leg at Forest.
Sky Sports News has verified that the player kicking out at the fan is McBurnie.
The Forest fans invaded the pitch after their victory over the Blades in the Championship play-offs.
The Scotland international was ruled out for several months in April with a foot injury.
It's not clear if the kick connected with the fan or not.
The incident is not being commented on by eitherSheffield United orNottingham Forest.