Scholes was at his very best as he ran the show and provided a sublime ball to Wayne Rooney in the build up to the opening goal for Antonio Valencia.
"He's just an incredible footballer," said Ferguson to the BBC.
"It's a phenomenon that he goes out there and becomes man of the match, approaching his 36th birthday."
"This time last year, he's saying to himself, 'This is my last season' - and a lot of people thought that.
"It came across my mind also, simply because he's had a lot of injuries in his career. He keeps coming back; it's not easy to do that”.