The Northern Irishman, 32, is an ambitious coach and has been earmarked for a promotion this summer as Mourinho looks to reshape his staff after Faria's surprise departure.
Gary Neville has described the FA Cup final as "season defining" for both Chelsea FC and Manchester United.
The 36-year-old had other options as he approached the end of his playing career but the chance to work under Mourinho was too good to refuse. "It is not every day you get to play in one of them".
'I am going to simply attempt to converse to as many individuals as I can; be a nuisance, be a pest.
"When I was younger I used to get really nervous before games, so much so that you are nearly throwing up", the defender said.
It was a short spell before he moved on to Uniao de Leiria for a season, with his sensational two-year stint at Porto coming shortly after in 2002.
"A couple of years ago I thought maybe it would be a good thing to spend time with the family but then it's about timing and opportunities". It was the final chance to cut the cloth clean. "Because I've got things, I'm kind of more excited about the future than looking back and being sad that it's over".
Who are the ones that Jose Mourinho thinks don't have the mentality and who are the ones he feels do have it?
However, Manchester United ended up a staggering 17 points behind Pep Guardiola's side to highlight the gap between the two bitter derby rivals. You never know what is going to be around the corner.
An irregular heart rhythm limited the midfielder's first-team involvement, and his final appearance against Watford was just his fifth match of the campaign.
As for who could give them that money, Il Messaggero report the 23-year-old has "four requests on from abroad", originating from Paris Saint-Germain, Real Madrid, Bayern Munich and Manchester United.
"There's not a game where you think, "It could have gone either way", I think we've deserved to win the games".