Joe Smith Jr. stops 51-year-old Bernard Hopkins in 8th round (The Associated Press)

Joe Smith Jr. stopped Bernard Hopkins 53 seconds into the eighth round of their WBC international light heavyweight title fight Saturday night. Smith used a six-punch combination to send Hopkins through the ropes and on to the floor, effectively ending the 51-year-old’s 28-year boxing career. Smith successfully defended his title when Hopkins was unable to return to the ring after 20 seconds.
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