Manchester United legend Roy Keane is a hard man to please, and you will not be surprised with his reaction to the team’s FA Cup semi-final win. Even the most optimistic Manchester United supporter would have had very muted celebrations at full-time as the team sneaked past Coventry City. If you had to script the most embarrassing way to win a FA Cup semi-final, the match against Coventry was it. Playing against Championship opposition, Manchester United let a 3-0 lead slip, then conceded a ‘winner’, clinging on after a VAR review, before winning on penalties. READ MORE: Roy Keane: Inside the …