Former WBA super-middleweight champion George Groves has announced his retirement from boxing.
The Briton lost his belt to compatriot Callum Smith in the World Boxing Super Series final in September.
It was his 32nd bout in an 11-year professional career.
Smith, 30, said: "I don't want there to be a time where I'm 'too old' to box, or where injury retires me.
"This fight brought home the realisation that boxing can have brutal consequences.
"After this, I truly felt like my fighting days were numbered. After winning the WBA world title I decided to only continue fighting while it felt necessary."
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