Manchester United will be mentally stronger after this season, according to Fred, who is targeting "as many trophies as possible" in 2020-21.
United secured a third-place Premier League finish by beating Leicester City on the final day of the league season, capping off an impressive run of form since the turn of the year.
Ole Gunnar Solskjaer's side won nine of their last 14 top-flight outings to earn Champions League qualification, with January signing Bruno Fernandes proving to be an inspirational presence in the middle of the pitch.
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The Red Devils haven't lost a single top-flight game since the Portuguese star's arrival from Sporting CP, and they also enjoyed a 19-game unbeaten run in all competitions before being beaten by Chelsea in the FA Cup semi-finals.