"Three for me and two for them", he said.
The fans and Mourinho's response came after a dominant first 45 minutes from the hosts before Spurs took control with two goals in two minutes just after the break.
Even so, Rooney believes that the United squad is strong enough to mount an effective challenge to Liverpool and Manchester City, who won the title last season by a record 19-point margin, becoming the first team in English top-flight history to reach 100 points.
Maybe he felt that a display of passion would go down well with the supporters at Old Trafford, who, it should be noted, showed no sign of turning against him.
Mourinho, 55, has come under fire in recent weeks, not only for his team's mediocre start to the season - including a 3-2 defeat at Brighton & Hove Albion on August 19 - but also for a number of reported fallouts with the club hierarchy and key players.
"After two losses, we've got to start winning and win in a good way".
A minute later, they doubled their advantage when Christian Eriksen's cross was swept home by Moura.
Exactly why United did not bring in a new player in that department, whether it be Leicester City's Harry Maguire, Tottenham's Toby Alderweireld or Bayern Munich's Jerome Boateng who were all linked with the club, remains unclear.
"We have to keep going, we musn't worry". We're not getting too carried away, of course, it's only three games in, but that's what we needed.
Before last night's match there was speculation as to whether Pochettino would select Hugo Lloris after the goalkeeper's arrest for drink driving in the early hours of Friday morning. He is punishing himself.
"We worked all week and from the tactical point of view we didn't lose, but we lost the game".
Smalling admits as much, telling the club's official website: "We have to regroup and we've had a good amount of days on the training pitch". He waved three fingers in the face of the attendees, saying "Do you know what the score was?"
"No, I don't know my best back four".
"Shaw was more concerned about arresting this poor run of form though, telling MUTV: I don't really care about my performance, I care more about the result and the team".
"A team that fights the way they did with the solidarity between the players, it is clear the team is united".