36 Ridiculously Huge Humans That Were Somehow Athletes

Ivo Karlovic

The Croatian tennis player was quite menacing during his professional career. Karlovic stood a whopping 6-foot-11 — making him the tallest ranked tennis player in history. During the 2011 Davis Cup, Karlovic unleashed a 156 mph serve. At the time, it was the third-fastest serve ever recorded. At 40 years of age, Karlovic is still playing in various tournaments.

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