Former Manchester United star Tim Howard has recalled his “uncomfortable” experience of watching a heated clash between “massive leaders” Roy Keane and Sir Alex Ferguson. Tim Howard was brought to Old Trafford in 2003 by Sir Alex Ferguson after Manchester United agreed to a £2.3m fee to sign him from MetroStars (now New York Red Bulls). The 44-year-old former United player made 77 appearances during his spell under Ferguson and lifted both a League Cup and an FA Cup with the Premier League club. Howard would leave Old Trafford in 2006 for a loan spell at Everton before making a permanent switc…