Former world champion Gavin Rees will retire following his rematch with Gary Buckland on 17 May.
The former WBA world light-welterweight champion, 33, will end his 16-year career at Cardiff’s Motorpoint Arena.
“I will leave everything I have in the ring on 17 May and I am proud of everything I have achieved,” he said.
He lost his belt to Andriy Kotelnyk in March 2008 but reignited his career by winning the Prizefighter competition the following year.
After taking the British and European lightweight titles he was given a shot at becoming a two-weight world champion against then WBC lightweight champion Adrien Broner in February 2013.
Rees was outclassed by the American in Atlantic City and suffered defeats to Anthony Crolla and Buckland in his following two fights.
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