Former Arsenal, Tottenham and England defender Sol Campbell has announced his retirement from football.

Campbell, 37, was released by Newcastle at the end of last season and has not been able to secure a new deal with another club, partly due to injury.

He told Sky Sports News: "It was a very hard decision. It's hard to let go when you have been a top sportsman for a long, long time. To say that I am not going to play professional football again is difficult because I've had a long time at the top and I've put in a lot of work and it's taken a lot of dedication."

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