In his column for The Sun, Redknapp wrote: "Compare the six best from Manchester United's golden generation against six of the boys that came through under me at West Ham.
"Take David Beckham, Paul Scholes, Nicky Butt, Ryan Giggs and Gary and Phil Neville.
"Then line-up Rio Ferdinand, Frank Lampard, Michael Carrick, Joe Cole, Glen Johnson and Jermain Defoe.
"It is certainly a tough call to decide which group of players has the edge but I wouldn't swap my lads for Alex Ferguson's even though I could be in a minority of one on this.
"Certainly Fergie did a magnificent job with that lot who came through in the 1990s and made United a fearsome side with home-grown, British talent - adding trophy after trophy.
"But I don't think there will ever again be a crop of players from one club as good as those from Upton Park."