"It will be hard, with t he quality of their players, their fan base and the money that they can spend, but that's the Premier League".
However, Mourinho did confirm that talks are on to re-sign striker Zlatan Ibrahimovic, who is recovering from a knee ligament injury.
"There were some mistakes and I think we lacked a bit of experience".
Jose Mourinho has warned Manchester United could run into trouble this season unless his midfielders and wingers sharpen up their act in front of goal.
"Hopefully, next season I'll be here, and now we're not going to spend how we have spent this season I assure you that".
"I feel as well that the goals we conceded, we can work together to get rid of that because one was a ball we lost in the build-up and we conceded two goals on corners".
"This has happened to us the last three seasons here", he told Sky Sports.
It stands true in club football as well; especially in the marathon that is the league. I don't say the league because I have been in this league a long time.
Jose Mourinho's side drew 10 times at home in the Premier League last season.
"They had chances and then we had to chase". Some of the best-known coaches are operating in the centre of it, at clubs with the most supporters in the world and the deepest pockets.
'I just think naturally a manager in the second season knows the players better, knows the club better.
It may be recalled here that United have already bolstered their squad with the addition of Romelu Lukaku, Nemanja Matic and Victor Lindelof. But he insists, despite that, the title is a more realistic target.
"I will do my best like I did last season. We have to be positive as it's the first game". This summer we had to do that because we had one of the oldest teams in Europe, not just the Premier League.
After seeing three different teams win the past three English Premier League titles, Manchester City is hoping to return to glory this season as the +185 favorite (bet $100 to win $185) on the EPL championship odds at sportsbooks monitored by OddsShark. Both Lacazette and Giroud need strong seasons to make sure they are in the French party travelling to the World Cup in Russian Federation next summer.