Manchester United are in crisis -- again. One of the world's biggest football clubs is in the middle of its worst start to a season in 40 years and suffered their heaviest Champions League defeat since 1994 when losing 4-1 to Como this week, so who is to blame?

Is it the owners -- the Glazer family and Sir Jim Ratcliffe -- the senior executives, the manager or the players? The bitter truth about United is that their prolonged and deep-rooted decline can be attributed to all of the above.

So why does the blame lie in all areas, and what, if anything, can be done to drag United out of its doom spiral? ESPN has assessed United's problems and why nobody at Old Trafford can escape the scrutiny for the club's cycle of failure.

- Dawson: It's dire at Man United, but only Carrick will suffer

- UCL Talking Points: What to make of Man United's mess?

- Who are Como?…