Chilean striker Angelo Henriquez was last to arrive last week.
"It's been great. I know how they feel because two years ago I was in the same position. They have all settled in very well and they're all working very hard. You always know that when the gaffer brings players to the club it's for a reason. It's because they have the level to be in this team and to help us improve," Chicharito told manutd.com.