With the TKO victory over Callum Smith — Artur Beterbiev’s seventh championship defense — he remains boxing’s only champion with a 100% knockout ratio.
Beterbiev stops Smith to keep belts, stay perfect
Jan 13, 2024 | 11:13 PM
With the TKO victory over Callum Smith — Artur Beterbiev’s seventh championship defense — he remains boxing’s only champion with a 100% knockout ratio.