"The players with a proper pre-season are fit and they are strong".
The Merseyside outfit have signed AS Monaco midfielder Fabinho, RB Leipzig star Naby Keita, Stoke City playmaker Xherdan Shaqiri and AS Roma goalkeeper Alisson Becker in the summer transfer window so far.
That felt like a reference to Liverpool but, more importantly for United, it was also an admission that it will need a dramatic improvement this season for his own team to bridge the gap.
"I'm not confident, I'm not confident and the market closes today, so is time at least for me to stop thinking about the market because the market will be closed", Mourinho said. "That is my experience at Barcelona and Bayern Munich".
"I repeat, pre-season is hard when you don't have your players to work with".
BeIN Sports has announced a multi-year Premier League media rights deal which secures exclusive coverage of English soccer's top flight in the Middle East and North Africa (MENA) until the end of the 2021/22 season.
"They returned on Monday", he said.
Guardiola says key players Kevin De Bruyne and Raheem Sterling are both available to face Arsenal on Sunday, after returning to training on Monday following their respective runs to the World Cup semi-finals with Belgium and England. Valencia - he was injured in pre-season.
The Portuguese believes runners-up are often portrayed as if they have been relegated and those who finish below them are presented as "serial winners".
"My view is that first of all it is hard for me to believe that we finished second when I listen, when I read - not much but sometimes I do", the United boss said.
"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".
"I said we would sign one or two, but the second one wasn't possible".