"I am not confident, and the market closes today, so it's time, at least for me, to stop thinking about the market because the market will be closed".
Liverpool FC placed in fourth spot and finished 25 points behind Manchester City, although the Reds knocked the Citizens out of the Champions League thanks to a 5-1 aggregate win in the quarter-finals.
"It's not about adding because it's fashionable to sign players", Tottenham manager Mauricio Pochettino said Thursday.
United's boss, about to begin his third season at the helm at Old Trafford, has cut a disgruntled figure during the summer, apparently unhappy with the club's transfer window activity.
Ben Foster is their most high-profile signing, a proven Premier League goalkeeper, but hardly likely to trigger a stampede outside the club shop.More news: 1200 tourists being evacuated from Indonesia quake islands: disaster agency
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"We have only seen him when he has appeared in front of the TV cameras this summer and heard what he has told the media, and I suspect he will behave very differently on the training ground with his players".
"They returned on Monday, trained Monday, Tuesday, Wednesday and today so you can imagine they are not really fit and ready but we have needs", Mourinho said.
"My view is that first of all is hard for me to believe we finished second", he added.
Romelu Lukaku, Marcus Rashford and Phil Jones all came back early from their own extended breaks but Mourinho sounded downbeat again when he was asked about the new season. Valencia - he was injured in pre-season.
"But I keep saying and thinking and feeling that the second last season was one of my biggest achievements in the game".