Some heavyweights are remembered for far more than wins and titles. A 7-foot-4 giant, an NFL star, a 400-pound knockout artist, and a one-legged title challenger each left a unique mark on boxing history.

New Orleans heavyweight “Big” John Rankin reportedly stood 7-foot-4, making him the tallest professional boxer on record. He fought only once, defeating Willie Lee by decision on November 13, 1967, before disappearing from professional boxing. One bout was enough to earn Rankin a permanent place in boxing trivia.

Dallas Cowboys defensive end Ed “Too Tall” Jones brought NFL fame into the boxing ring durin