Ole Gunnar Solskjaer was delighted with Axel Tuanzebe's performance against Astana in the Europa League on Thursday.
The 21-year-old played for United for the first time in nearly two years in the 1-0 victory.
"Axel was very assured out there," Solskjaer said. "He was in cruise control as well. Delighted for him.
"It's a few years since he played for us here at Old Trafford, and he played really well and just confirmed what we already thought we knew."