Former Man United academy product Tahith Chong spoke to the club website after Luton's visit to Old Trafford and revealed he is still in touch with people at the club.
He also thanked the United fans who applauded him during the warm up.
"The reaction of the fans, including during the warm-up, I am grateful," Chong said after full-time. "United is a family club. Even when you leave, you stay in contact with many people.
"It's always difficult to come to Old Trafford. They have a good team with world-class players. It was a difficult game, they deprived us of the ball, they made us work hard and they are managed to score the winning goal."
"Just wanted to say thank you to the United fans for the reception and a big compliment to our [Luton] fans for the support during and after the final whistle. Thank you."