"You have to defend well, you have to take your chances and you must not give them any easy opportunities", the former Liverpool man said.
Shaw's 50th appearanceHe's been absent from the first-team squad of late, but Luke Shaw will have been delighted to make his 50th appearance for the club under the lights at Old Trafford.
It is a move that could be considered points scoring, but United insist they have been inundated with requests for the game, including 23 television rights holders - 19 of which are foreign broadcasters - and feel the tunnel area is becoming too cramped already without trying to accommodate cameras from a company that is not even one of the Premier League's broadcast partners.
Adding to the confusion, UEFA initially credited the goal to Dzagoev, only to then award it to Vitinho.
United certainly boast the strength in depth to maintain their title challenge heading into a testing festive period. No surprise that in minute 80 he is feeling the consequences of that intensity (by suffering cramp).
Souness believes Pogba lacks the all-round game to master central midfield.
John Stones and Phil Jones have been in fine form and should start as a centre back pairing for England at next summer's World Cup. In the end, Roma's win against Qarabag made the result irrelevant for Diego Simeone's team, who failed to qualify for the last 16 for the first since the 2009-10 season. It's the only barb that has been thrown so far by either coach in the buildup.More news: International leaders react to Trump's Jerusalem move
He said: "When he is on the ball, there's lots of things to admire".
Mourinho used the opportunity to hand game time to youth-team graduates Scott McTominay and Axel Tuanzebe, both of whom came on as late substitutes. "I tell you the truth", Mourinho said.
A spectator for much of the game, Sergio Romero - on Champions League deputy goal keeper for the rested David de Gea - pulled off a great save late on from a Dzagoev shot to keep the Russian outfit at bay, instinctively stopping with his foot to wrap up the three points. "He's a fantastic player".
Benjamin Mendy is a real character at Manchester City and his long term injury, while not halting their progress, has been unfortunate.
Alex Ferguson was entering his third full season as United manager and having seen his side finish the previous campaign in 11th place, he looked no closer to ending their 22-year wait for the title. "Hopefully we can win for him".