Nice one, Roddimus Prime.
Link here: https://www.sufc.co.uk/news/2017/july/fans-forum/
"Tickets for the event are free of charge, but there is a maximum of 300 available. They must be collected in person from the Sheffield United Ticket Office or over phone at 0114 253 7200, please note that there will be no postal or online applications for this event."