His brother Paul, who plays for France, joined United from Juventus in the close season for a world record fee. While the last of Les Verts' league titles came 35 years ago, they still lead the way in terms of all-time Ligue 1 championships with 10 and Mourinho is aware of the prestige surrounding a club that now sit eighth in the French top-flight under long-serving manager Christophe Galtier.
With St Etienne now sat eighth in Ligue 1 though, Manchester United will fancy their chances of extending their impressive run of form. It was hard to go to Turkey and Ukraine, but now we go to France.
United and Saint-Etienne met in the now-defunct Cup Winners' Cup first round in 1977, with United winning 3-1 on aggregate.
"So it's good for us that it is a short flight", Mourinho added.
"It's nice, it's a nice thing" Mourinho said of that particular reunion. "Paul was already laughing about it and for sure his brother is also laughing", Mourinho said, after Monday's draw in Nyon made it a Pogba family affair.
Bryan Cranston reprises 'Breaking Bad' role for SNL skit
Below, watch Bryan Cranston reprise the role of Walter White from AMC's Breaking Bad, during this past weekend's broadcast of Saturday Night Live on NBC.
"It has happened a few times in the history of football and it's a nice thing". People of my generation never forget the [Michel] Platini team.
"For sure, Manchester United is one of the big names in the competition, but we have two months without the Europa League, two months to forget it, then we will see".
Among Champions League clubs now switching to the Europa League, Tottenham is at Gent and Legia Warsaw hosts Ajax. "The analysts who are working for us are doing an extremely good job".
The first legs will be played on February 16, with return matches on February 23.
This season Jose Mourinho's team have been drawn against Saint-Etienne in the last 32, and the second-leg of the tie will be played on a Wednesday, not a Thursday.