Jose Mourinho made significant changes to Manchester United's training routine

Mourinho left Carrington for the final time on Tuesday

In looking to the club's glorious past with the appointment of Ole Gunnar Solskjaer, Manchester United hope they will finally be able to move forward. 

It says a lot about the turbulence of Jose Mourinho's reign that Ed Woodward ultimately decided it would be better to remove the Portuguese, even if the Red Devils did not yet have a permanent successor lined up. 

This was 'third-year Mourinho' syndrome as we've seen it so many times before.

There were snipes at the board as early as the summer, and key players such as Paul Pogba were under no illusions as to how he felt about them. 

Change was needed at Old Trafford - and from Mourinho's point of view, this season was doing his reputation no favours. 

Are the 'Special One's' best days behind him? Will he be given another crack at a top job? 

Speaking on Sky Sports' The Debate programme, Gary Neville insisted Mourinho is far from past-it despite his inability to lead United to a title. 

"There's some language that he is finished, done and a spent force, in my opinion it's rubbish and disrespectful," he said. 

"He'll get a great job. He's a great manager. He's won wherever he has been. When people look back on this two and a half years, two trophies and an FA Cup final, he'll look back on it with pride."

The Mourinho regime left United trailing rivals 

Yet there are serious questions to be answered about whether football has moved past Mourinho's low-pressing style and man-management tactics. 

For example, the Mirror have been reporting some of the unusual changes he made to the club's training regime. In short, it left them trailing behind other clubs. 

Mourinho was given his marching orders on Tuesday morning

According to the newspaper, he scrapped important GPS tracking from the training ground, which is used by every other Premier League side to measure player performance and fitness. 

GPS vests can warn when players are experiencing a drop in fitness, as this may be an indication they are at risk of suffering an injury.

That certainly shows United's injury crisis in a different light. 

Mourinho's former assistant Rui Faria came up with the idea of changing things up and while fitness coach Stefan Rapetti tried to bring it back, the system is still not in full usage at Carrington. 

Mourinho decided against using vital fitness technology

Interestingly, Solskjaer has spoken of the benefits of GPS and that suggests it will be making a comeback as he takes up his interim role. 

There will be other big changes at United training, too.

The Manchester Evening News claim that most of Mourinho's staff are losing their jobs, with the exception of goalkeeping coach Emilio Alvarez thanks to his friendship with David de Gea. 

United fans will have to hope that the new regime can finally spark an upturn in results. 

How should Mourinho's time at United be remembered? Have your say in the comments.

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