Ralf Rangnick suffered his first defeat as period in-between manager against Wolves remaining week, which become accompanied by way of reviews of unrest many of the players.
Maguire said United - 7th within the Premier League - need to do better as they put together for a 3rd-round FA Cup tie in opposition to Aston Villa on Monday.
"I've manifestly visible numerous criticism and quite a few is clearly justified, however for me, with this crew, it should not want grievance to motivate players," Maguire stated in an interview posted at the membership's internet site.
"We all must take big responsibility, myself as captain as a good deal as anyone, if no longer extra," he stated.
"We've were given to begin gambling properly and winning... This team completed second ultimate year and we've a higher and larger squad this 12 months, so we've to show the right mind-set."
Maguire performed down suggestions of disharmony the various gamers however admitted it became hard to keep all the members of a big squad satisfied.
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"We are all indignant and want to do our high-quality, which has possibly stumble upon on the pitch at times, but the crew spirit is ideal, notwithstanding what people say," the England defender stated.
"Being a professional footballer, you have to take grievance at the chin and react nicely to it. At the equal time, you have to forget about the outside noise now and again and just get your head down (in training)."