West Brom legend pitches his message to Alex Ferguson and co
"My main recollection was trying to lift my feet up through all the mud and hay - hopefully there weren't any unpleasant surprises left by the horses but I never noticed."
Albion took the lead in what was to be their last final of any kind for 23 years.
Jeff Astle opened the scoring after five minutes, becoming the first man to score in League and FA Cup Finals at Wembley.
City equalised through Mike Doyle to send the game into extra time - which is what what nobody wanted - before Glyn Pardoe scored the winner for Mercer's men.
Brown, who scored 218 goals in 574 games for Albion between 1963 and '80, recalled: "Had it not been a final they probably wouldn't have played it.
"We were used to muddy pitches back then but that was particularly bad because of the damage that the horses had caused.
"The only person who it really suited was Franny Lee who had legs like tree trunks and was able to just drive through all the mud.
"It was a struggle for most of us."
These days Bomber remains in demand with Albion fans.
A group of supporters, hoping to recreate a singing area in the Birmingham Road End at The Hawthorns, have named themselves 'The Bomber Squad' - with his blessing and backing.
And Brown, now a radio broadcaster for BRMB, is also leading the voting in the Broad Street Walk of Stars.
He added: "I'm immensely proud. I didn't even know about the award until Tom (Ross) told me on air before the Man City game last week.
"I've always had a great relationship with the fans and to be nominated was fantastic.
"I guess people remember that I was a one-club and I'm honoured because there are some great names who could have been put forward."
