World heavyweight title · 10 rounds

Jim
O'Brien
VS
Tommy
Burns

Burns · KO 1/10

Mar 28, 1906 · National Athletic Club, San Diego, 🇺🇸

O'Brien going in—

Burns going in31-3-7

Confirmation✓ one source

MethodKO

Round1 of 10 · 2:18

TitleWorld heavyweight title

Sources

✓