"I finally feel like a United player now! I've been here nearly three years and it's good to finally get on the pitch for the first team in a competitive game," Foster told MUTV.
"I'm not one for nerves. I just take things in my stride and try not to think about things too much.
"It's a big thing to come back from injury and to be thrown straight into the first team, but I thoroughly enjoyed it although it was a bit harder than I thought!"