The United manager added that this year's title campaign will be 'tight'
Moyes lasted just 10 months in charge at Old Trafford after being sacked in April 2014
Mkhitaryan was left out of the squad that beat Fenerbahce 4-1 in midweek despite recovering from the thigh injury that has kept him sidelined for the last month
Jose Mourinho comes back to Stamford Bridge on Sunday, 10 months after his sacking, with new Chelsea manager Conte still trying to lift the confidence of the squad
The pair have a controversial history while Premier League rivals
Paul Pogba and Anthony Martial both scored from the spot for United
Pogba and Anthony Martial scored from the spot in the first half
The Frenchman's return to the Premier League has been scrutinised since his £89m move from Serie A giants Juventus
A look ahead to the Europa League fixture at Old Trafford
Mourinho insisted that no one in his team is 'untouchable'
Ferguson retired a season after Van Persie joined United
United boss Jose Mourinho had been keen to tie down the highly-rated 18-year-old, who has impressed him during his time at the club
Fenerbahce's flight was forced to land in Budapest after a loss of cabin pressure caused by a bird hitting the pilot's windscreen
Ibrahimovic joined United on a free transfer from PSG, but has not scored in his last four Premier league matches
Rashford is currently among the England senior set-up but FA chief executive Martin Glenn wants him to gain experience at next summer's European Under-21 Championship
The United captain turns 31 next week but does not believe the light is fading