Sir Alex Ferguson won’t be in attendance for Manchester United’s crunch clash with Brentford today. The 82-year-old was axed as an ambassador for the club earlier this week, with Sir Jim Ratcliffe showing him the door despite everything he achieved during his time as manager. Talks between the pair are believed to have been amicable. But it is still a decision that has raised eyebrows, with the likes of Eric Cantona, Rio Ferdinand, Dwight Yorke and Graeme Souness hitting out at Ratcliffe in the time since. In addition to being given the boot, Ferguson has also been told to stay away from the U…