The team's first Premier League match of the season ended in a 1-0 loss to Arsenal at Old Trafford, with the winning goal coming from a set piece by Riccardo Calafiori.
Despite the disappointing result, United fans were positive about their team's performance, and Evra believes they have the potential to surprise people this season.
In an interview, Evra said, "Manchester United is a team that can be unpredictable. One day they can play amazing, and the next day they can struggle.
"But if they can regain their fighting spirit and play for the team, they might surprise everyone. It's about being consistent, not just performing well in individual games.
"Football is a challenging sport, and when results don't go well, the manager often gets the blame. But if the team keeps changing managers, it's unlikely to improve. Amorim should be given more time, but at Manchester United, time is a luxury they don't have much of."