Who’s the greatest: Usain Bolt or Michael Phelps?

Phelps has the longevity and the multifariousness. Bolt has the indubitable dominance, says Paul Newberry.

Definitively comparing athletes across sports is impossible. It’s also the quintessence of sports debate, tying in various tangential questions of how to quantify athleticism, skill and sporting greatness, and how to consider the merits of different games, competitions and achievements.

And, most importantly, it’s wildly entertaining.