Foden scored his first goal for City in the 3-0 win.
"We planned to press, and after three-and-a-half minutes, we had three of ours pressed on that one player. I think I blinked, the next thing he was through them," he said.
"His ability, his orientation of himself on the football is genius.
"These are things when you're working with young players, that you find that only very few coaching sessions can really bring that out. There's a naturalness to that. And it's something I've not seen for a long time.
"You'd almost put him in the same bracket as when you see...I remember seeing Barcelona live and seeing Iniesta playing in those sort of positions. He's almost like that. He's small.
"So please academies, don't release small talented players. There's a home for them in our country. We can grow them, we can develop them, we can aid them."