United fans are excited about the teenager's first team breakthrough.
"I'm really enjoying myself," Adnan explains to United Review. "I played quite a few games in the Reserves last season and I thought I did well, and from there I had the chance to go on tour in the summer. It was a good opportunity for me to show what I could do for the team.
"That was a great experience for me and ever since then I've been working hard. Now the manager has given me my chance in the first-team at Wembley and against Crystal Palace.
"That was my first Premier League game for United and my first at Old Trafford, so it felt very special. I was in front of another big crowd and I was shocked to get about 25 minutes. When I got the call to say I was coming on, I was surprised. But I went on and tried to play my game."