But the Portuguese would not confirm or deny whether Zidane has been in touch about the United job.
"I'm not asking you who did you speak with this morning, who was your last phone call, that's a private matter".
"The performance on the pitch, in my opinion, is the outcome of many factors - of many factors".
"I look forward to that match on Tuesday and I hope the majority of the players have this same kind of mentality, and that they are looking forward to Tuesday".
Mourinho is under increasing pressure after seeing United collect just 10 points from their opening seven Premier League games.
"I don't think he is as obsessed with scoring as those two but in terms of ability, he is not a poor relation".
United now look far from contenders, but they can take a huge step towards the last 16 by moving six points clear of Valencia in Group H tomorrow.
Struggling Manchester United star Alexis Sanchez is believed to regret his move to Manchester United from Arsenal in January, which saw him turn down the chance to join eventual champions Manchester City, the Mirror reports. It's very hard but this is football, this is life. I look in the mirror and I want to see where I made mistakes and where I can do better.
"When you play for Manchester United everyone expects you win the games", the Serbia global said. When you don't win a few games in a row there is attention on you. "We are here to prevent them from performing at their peak".
'They played all last season there like a 4-4-2 formation and they are very aggressive on the counter-attack, so I think they will try to do that against us as well. The game was really bad but everyone has responsibilities. No excuses. As players we weren't good enough.
Ashley Young picked up an injury at West Ham, while Marcos Rojo, Ander Herrera and Jesse Lingard are also on the sidelines, MUTV reported.