"I rate him as one of the best players I ever played with." 

When that comes from Manchester United goalkeeping legend Peter Schmeichel, you know you're doing something right.

The Dane played with the likes of Michael Laudrup Roy Keane, Eric Cantona and Paul Scholes during his club and international career. But in a video series with Germany and Bayern Munich uber-shot stopper Oliver Kahn, he had glowing words for former team-mate Denis Irwin.

The ex-Ireland and United full-back's consistency and brilliance in attack and defence is well-known, and having had one of the best seats in the house when watching Man United players' actions up close, he explains what made Irwin so special: