Only three managers have ever won the championship for Manchester United . Ernest Magnall was the first to do it, twice guiding United to the old Football League first division title in the space of four seasons at the start of the 20th century. Forty-one years after the second of Magnall’s successes in 1911, the great Sir Matt Busby won the first of his five championships. When Sir Alex Ferguson won the first Premier League title for United in 1993, the great man went on to lift the trophy on