"Paul Ince is not a sneak or a cheat or somebody who skulks behind people's backs,'' he said. "I didn't try and engineer any kind of move and it is total rubbish to say otherwise.
"I felt betrayed that anybody at United would think I would do anything deliberately to hurt the club. That shows me a lack of respect after five great years at Old Trafford."
Ferguson was widely quoted last week as saying that Ince told United staff after the FA Cup final that the Wembley match would be his last game for the club. But Ince says the claim was "garbage".
Ince reveals that the only time Ferguson asked him to stay was after the Inter deal had been signed.
Paul Gascoigne is expected in Glasgow today to complete his transfer from Lazio to Rangers.
Asa Hartford has returned to Manchester City, where he had two spells as a player between 1974 and 1983, as assistant to new manager Alan Ball.