Sam Allardyce has described his early departure as England boss as the biggest regret of his career.

The 62-year-old was in charge of just one game as Three Lions boss after taking over in July last year - a 1-0 win over Slovakia in September.

Allardyce went on to leave his post by mutual agreement with the Football Association following a newspaper investigation claiming that he offered advice on how to "get around" rules on player transfers.

An FA statement said that Allardyce's conduct "was inappropriate" and Gareth Southgate was placed in temporary England charge, eventually penning a permanent deal.

"Yeah, there's no doubt about [the biggest regret of his managerial career]," Allardyce told Sky Sports News. "Legally, it is a difficult subject for me to talk about at the minute but I think to say one thing personally - I don't think I should have left.

"I can't go any deeper than that but since it happened, people from my point of view have had a good, long look at it and clearly, if a little bit more patience had been shown, I believe I should have still been there.

"I think the most harrowing experience for my family was after and what people said and did and what they tried to do to me and my family without having evidence. People were spouting off a bit of subterfuge in all fairness. But it's gone, you have to move on and we have.

"I think about it a lot. Especially when the England games come up and I've just been able to watch them again recently. It was a really sad moment for me, having worked so hard to get to the pinnacle in my career - you're never going to get a job at a top club if you're English - so to get the England job is the pinnacle of your career.

"It is the greatest regret of my life in football. In terms of that disappointment, it will never leave me but there's nothing I can do about that now, I have to move on with my life."

Allardyce is currently on hiatus after leaving Crystal Palace following the conclusion of the 2016-17 Premier League season.