Appointing Paolo Di Canio was a mistake that must be acknowledged, and now the decision to replace him with Gus Poyet could dig Sunderland further down into the ground with no way out.

It was obvious, a story, a fairytale that former Swindon manager Di Canio managed to save Sunderland from imminent relegation after the sacking of Martin O'Neill. However, not long into the 2013/14 season, he was sacked, and replaced by former Brighton manager Poyet.

I believe that they should not have sacked O'Neill in the first place, and in all actuality, they were safe from the beginning.

The players knew each other quite well, Di Canio came in and ruined the team's synergy by bringing in too many new players, many would have gotten complacent, or worried about their first-team place with the horde of new signings.

He was never able to do that at Swindon, but could at Sunderland. Di Canio, as a manager has had no top-flight experience and should never have been appointed, maybe as an interim but not as a permanent manager, due to his lack of experience.

It's different down in League One than it is in the Premier League. The competition is more difficult and the circumstances are entirely different. The crowds are larger, transfer budgets are larger, player attitudes are different. It's a whole new managerial playing field, one that Di Canio needed time to adjust to, or shouldn't have been appointed in the first place.

It's one thing to sack a new manager, it's another thing to appoint one with little top-flight experience.

For me, when they appointed Di Canio, they should have given him more time, and then sacked their manager, otherwise the changing room atmosphere could be severely different which could raise a whole bunch of issues.

Now, the Sunderland faithful must remain, well, faithful that their team can get themselves out of the hole that has been dug, and that Poyet is the right man.

Poyet will likely make the situation worse, and the Sunderland chairman's reputation is riding on this, according to him.

It looks like Sunderland is now officially a sinking ship.

The appointment of Di Canio was rather controversial, as his personality is rather different from most managers, but many heads were turned after the appointment of Poyet, the man who was sacked after Brighton failed to reach win promotion to the Premier League last season.

There were many questions raised about Poyet, and his possible similarity to Di Canio, with influential football figures giving different reviews of his personality and tactical style.

Of course, there are more questions now raised after their 4-0 loss to Swansea at the weekend. Should they have kept Di Canio? Should they have not sacked O'Neill?

It is understandable for a board to get worried if their club is struggling, but in all honesty Sunderland were going to survive, three managerial changes in such a short time is bound to affect the atmosphere around the club.

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