Mourinho did confirm that Alexis Sanchez, who was a highlight for United over pre-season, is fit and firing though.
Mourinho faced the press ahead of tomorrow's season opener against Leicester City, though the major topic of information was whether or not United would strengthen their squad.
Jose Mourinho has hit out at the perceived negative coverage of his tenure at the helm of Manchester United, stating that he believes finishing runners-up in the Premier League last season is one of the best achievements of his career.
The transfer window may officially shut at 5pm on Thursday but Blackpool and Fleetwood can still be active in the transfer market thanks to an EFL rule.
But he was quick to point out his United side were closest to runaway leaders Manchester City last season, even if they finished 19 points adrift.
"My view is that it is hard for me to believe that we finished second", he said.
"I'm not confident", Mourinho said, when asked whether there would be more players arriving before the deadline.
"My view is that, first of all, it is hard for me to believe we finished second because when I listen, when I read - not much but sometimes I do - you [the media] are capable of making people that finish second look like they were relegated, and people who win nothing, finish below us, you make them look like serial winners".
'Its hard for me to believe we finished second.
"Because it is very important their feeling and to understand how they think they can help or not help".
"So it's hard for me to understand or to feel or to believe that we finished second, which I keep saying that I - and sometimes it's also hard to believe - that I won eight championships and three Premier Leagues".
Marcus Rashford, Phil Jones, Victor Lindelof and Romelu Lukaku made slightly early returns so could be involved on Friday, perhaps helping to boost the mood of a manager who has looked downbeat for much of the summer.
'I said during pre-season - it looked like I was saying something absolutely out of order, something insane - but I repeat: pre-season is hard when you don't have your players to work, it's as simple as that'.
The Arsenal legend said: "I want this season's title race to be more spicy and I think it will be".
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