Goal exclusively revealed in June that Arsene Wenger was plotting a £22 million bid for the former Everton man, but were only willing to offer a £70,000-a-week salary - less than his earnings at Goodison Park.
Fellaini eventually reunited with David Moyes at Old Trafford on deadline day, although the midfielder was coy on his links with Chelsea.
"In a transfer window, there is always a list of players, you never know if it's true or not. But for me, I knew [Moyes] was interested in me.
"Chelsea? No comment. Arsenal? It's true, they were interested, but Manchester United convinced me to sign for them.