The Liam Miller Tribute Match is a complete sellout, with organisers confirming on Tuesday that all 45,000 tickets have been snapped up.
This number includes the 7,300 tickets sold for Turner's Cross, which was the initial venue before the GAA eventually agreed to allow the game to be played at Páirc Uí Chaoimh.
A Manchester United Legends team - led by Roy Keane - will take on a combined Republic of Ireland-Glasgow Celtic selection on Tuesday, 25 September.
"We are absolutely thrilled that so many people are supporting this wonderful event in Páirc Uí Chaoimh," said Michael O'Flynn, chairman of the organising committee.
"We would like to thank everyone again for their fabulous support. It's a ringing endorsement of the GAA's decision to donate the use of their stadium and we thank them wholeheartedly.
"This will be a unique sporting occasion in Cork, not only because of the calibre of the soccer stars who will be taking part, but also because it will feature both soccer and GAA sports at the same time.
"It will be a fantastic tribute to Liam Miller who was one of Cork's sporting heroes and a great celebration of sport in Cork."
The full squads were announced last week. Ryan Giggs, Paul Scholes, Louis Saha, Rio Ferdinand, Gary Neville, Richard Dunne, Robbie Keane, Damien Duff and John Hartson are among the players who'll pull on the boots in Cork in front of jam-packed Páirc.
A juvenile GAA match will be played at half-time.