Earnie Shavers - Perhaps the biggest one-punch power in boxing history?

Joe Bugner - Wikipedia

Beaten Wilder's Status Elevated By Truly Great Fight - Boxing News

Earnie Shavers, one of boxing's hardest punchers, dies at 78

Earnie Shavers, THE HARDEST One-Punch Hitter

The most powerful heavyweights - World Boxing Council

What is the hardest shot anyone has gotten up from in boxing history? - Quora

Is Deontay Wilder the biggest puncher in boxing history? Tyson Fury's trainer thinks so - Yahoo Sports

Analysis of the height of power: heavy hands vs. speed - ESPN

Deontay Wilder's right hand propels him into status among all-time greatest punchers - Yahoo Sports

Ron Lyle beat Ernie Shavers. Both were power punchers but who had the hardest punch? - Quora

Top 10 heavyweight boxers of all time, as picked by Matthew Aguilar

Earnie Shavers Tribute - Boxing News

Ranking The Top 10 Hardest Punchers In Boxing History

The 100 Hardest Pound-For-Pound Punchers of All-Time - ROUND BY ROUND BOXING