Roy Keane has responded when asked about which of his former teammates could have done more in football and he named a former Manchester United colleague. Former Manchester United captain Roy Keane was an iconic player back in the 1990s and early 2000s and the Irishman was key as the Red Devils won their first Champions League trophy in over 30 years back in 1999. During the club’s decade of domination in the 1990s, Keane was a key part of this and had some superb teammates playing alongside him. When Keane joined the club from Nottingham Forest in 1993, the Irishman came into a dressing room …