Richardson Hitchins produced a surgical beatdown of former unified lightweight champion George Kambosos Jr. with an 8th-round knockout to retain the IBF junior welterweight championship.

Follow Richardson Hitchins vs. George Kambosos Jr. live results and round-by-round updates for the IBF super lightweight title fight on Saturday night in New York.

Kambosos (22-3, 10 KO) was a massive underdog against Lopez, but scored a knockdown and cruised to a clear victory (despite one judge scoring the fight for Lopez) to win the WBA, WBO and IBF titles at 135 pounds. Kambosos was able to parlay that victory into an attempt to become undisputed champion against Devin Haney in a 2022 two-fight series.