"At the time I played against him when he was at Juventus he was the greatest player in the world," Ryan told the Soccer Aid programme. "You just couldn’t touch him. I’ve chased him around the pitch many times before so it'll be nice to play with him rather than against him."
As for the ROW's tactics, Giggs says simply: "Just give the ball to me or Zidane and we’ll take care of things!"
Money raised from the event will go to UNICEF, for whom Giggs is an ambassador. "I’ve been witness to the great work they do and the impact they have on the places I’ve visited with United throughout the world," he says.
"It’s important that everyone enjoys themselves on Sunday, but there is serious message behind
Some of the game's greatest players will be at Old Trafford on Sunday
Nicky Butt | Jamie Redknapp | Martin Keown | David Seaman | Alan Shearer | Teddy Sheringham
Luis Figo | Ryan Giggs | Henrik Larsson | Jens Lehmann | Paolo Maldini | Zinedine Zidane
Soccer Aid 2010
6.6.2010, 19:30 BST, Old Trafford
Order your tickets now