Foster, who who has admitted he will leave Old Trafford this summer, has been tracked by a number of Premier League clubs and Hart has backed his England rival to replace him when he rejoins Manchester City.
''I think Ben will do it easily [follow me]. He is a fantastic keeper,'' told the Daily Express. ''Ben has had some harsh criticism at Manchester United this season but, if he does turn out to be the Birmingham keeper next season, he will do a good job.''
Hart wanted to remain at Birmingham on loan - where he performed so well he made it into the Premier League's Team of the Season - but accepts the final say was with Manchester City.
''I just waited for my orders, and my orders were that I went back,'' he said. ''I am contracted to Manchester City so that's where I will be. I will admit, it's sad. But it was out of my hands.
''If I could have stayed at Birmingham, I would, but it wasn't down to me. I didn't really want to leave but I was told that I have to. It's just the way football is.''
---- ESPN news---------
