6 rounds

William
Johnson
VS
Sergey
Kovalev

Kovalev · TKO 2/6

Mar 12, 2011 · Hilton Towers Ballroom, Lafayette, Louisiana, 🇺🇸

Johnson going in—

Kovalev going in13-0-0

Confirmation✓ one source

MethodTKO

Round2 of 6 · 1:53

Sources

English Wikipedia
side b · observed 2026-10-11
en.wikipedia.org/wiki/Sergey_Kovalev

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