Andy Murray: Sir Alex Ferguson 'irreplaceable'

Andy Murray, the world number three in tennis, has tweeted:


What a legend sir alex ferguson! Shame that he is retiring from management but what a career its been.. Who's next for united?#irreplaceable


Sir Alex Ferguson to retire

Manchester United say Sir Alex Ferguson is to retire as manager after 26 years in charge. Everton boss David Moyes is widely expected to be his replacement.