Gary Neville has reflected on his time at Old Trafford.
The former full-back is now a Sky Sports pundit and is also a successful entrepreneur in his spare time.
Neville owns a fleet of thriving businesses in restaurants, hotels and property development.
But it was his interest in property development that really took off during his mid 20s and he has revealed sneaking into the Old Trafford showers to take calls without Sir Alex Ferguson knowing.
That is because the then-Manchester United boss would have seen it as a distraction to training or matches.
"He would have seen it as a distraction," Neville told the BBC.
"Physically I accepted I had to have a rest [after training], but mentally I needed to be stimulated.
“I realised then I had to be dual skilled.
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Sir Alex Ferguson would apparently have frowned upon Neville's habits.
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"After my [Manchester United] training with the team in the morning I would go into the office in the afternoon and work with a different team.
"In both you have to have motivated people, and they have to enjoy what they do.
"It can be difficult in an office for people to admit they didn't do very well, or have fallen below standards."