Patrice Evra has total trust in Sir Alex Ferguson to make the necessary changes and guide Manchester United back to the Premier League title.
The Old Trafford club missed out on the trophy this season after having the silverware snatched away from them in the closing stages of the campaign by Manchester City.
United were only denied the title by goal difference and that was despite playing with an injury-hit squad regarded by some as among the weakest in Ferguson's 26 years in charge.
Evra is aware he and his team-mates made mistakes, but he is confident his manager can take the club forward, with Borussia Dortmund pair Shinji Kagawa and Robert Lewandowski reported to be transfer targets.
The France full-back, who himself could be under threat if United renew interest in Everton's Leighton Baines, said: "I am not crazy. I won't say that we've had a good season or we'll be okay.
"Every player has to be better next season than we were this year, even if we haven't been as poor as a lot of people say.
"Fans will want to see a few new players and I trust totally in the boss. He will do the right thing.
"There aren't many players who can play for Manchester United and I know the boss will make the best decision."
Some believe that, after collecting 89 points - the best achieved by any team finishing second in the Premier League era, there is not a lot wrong when taking into account significant injuries to Nemanja Vidic and Darren Fletcher.
"Every year people criticise United. People say we've had the worst season ever if we don't win the league," Evra said.
"This is not the truth. The season we've just finished has been a miracle. People were saying it was going to be the worst season, but we are nine points better off than last year and we've scored more goals.
"We only think we've failed because we haven't won."
But Evra also noted a problem with attitude at key stages, which is what he puts the most damaging results - against Wigan, Everton and Manchester City - in a four-game April period down to.
"We played those games in the same way we played the group stages of the Champions League," he said.
"We thought everything would be fine. We were eight points clear, then it was five points, then three. All the time we were saying to ourselves, 'It will be okay, we are Manchester United'."
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