Paul Williams used to be one of the most feared boxers on the planet: 6-foot-1 with the wingspan of heavyweight behemoth Vitali Klitschko -- all somehow squeezed under 147 pounds.

Two weeks after signing on for the fight of a lifetime -- and the biggest payday of his career -- against Saul "Canelo" Alvarez, the former welterweight champion flew off his motorcycle on the way to his brother's wedding. That was in May 2012, and Williams has been paralyzed from the waist down ever since. But that hasn't stopped him from getting back in the ring, punching the heavy bag for the first time in a long while in this video posted on October 5:

Williams looks like he still packs that famous punch. And the huge smile on his face puts one on ours.

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