Nathan Cleverly has called time on his boxing career after losing his WBA light-heavyweight title to Badou Jack.
The 30-year-old Welshman surrendered his belt following a fifth-round stoppage on the undercard of Floyd Mayweather Jr's super-fight against Conor McGregor.
Cleverly took to Twitter to announce his retirement in the wake of his fourth career defeat.
— King Clev (@NathanClev) August 27, 2017
"Time to say goodbye. Thank you and goodbye boxing," he wrote.
"I've lived it and loved every second of this sport. A few too many miles on the clock."
Cleverly had held his WBA title since October last year when he defeated Juergen Braehmer.