"People ask "can you improve on 100 points" and I say no because we are not here to do that".
"Of course it's hard to understand for people in football that Tottenham didn't sign or sell players, but sometimes in football you need to behave differently", he said.
Mourinho heads into the Leicester match with a hefty injury list, including key midfielders Nemanja Matic and Ander Herrera, while a host of other stars of only recently returned from their break after World Cup duty.
"Is hard for me to understand, to feel, to believe we finish second - which I keep saying, and it is sometimes hard to believe, that I won eight championships and three Premier League's but I keep feeling the second last season was one of my biggest achievements in the game".
United look set to go through the full transfer window without signing a centre-half, in spite of Mourinho's well-documented desire to add a high-profile central defender to his ranks.
Llorente arrived off the back of an impressive season with the Swans, and the fact that he had achieved a good return while playing for a struggling Swansea side suggested that he may be able to thrive with Pochettino's men. "We believe in our squad a lot".
England v India: Rain delays start of second Test at Lord's
The tourists' record at the venue is not a flattering one as they have won only 2 out of the 17 Tests they have played there. Also, they have dropped Dawid Malan and Ollie Pope could find a place in the 11.
Mourinho did confirm that Alexis Sanchez, who was a highlight for United over pre-season, is fit and firing though.
"I am happy to keep all the squad together".
"My view is that first of all is hard for me to believe we finished second", he added. "He will make them better". I'm just not sure, they've got themselves in a situation now where they're desperate.
The ingredients appear to be in place for another Mourinho meltdown should United get off to a bad start and he believes even the scheduling of his side's opening fixture has made his task even harder. "You can not expect them to be fit". The ability to reach the Champions League final several months ago showed that Liverpool has the talent to win the league this season and some astute buying in the off-season seems to have strengthened their defensive screen.