The pay-per-view showdown between [autotag]Errol Spence Jr.[/autotag] and [autotag]Terence Crawford[/autotag] for the undisputed welterweight championship Saturday in Las Vegas is fascinating on many levels.
You can start with the fact that Crawford (39-0, 30 KOs) and Spence (28-0, 22 KOs) are two of the four best fighters in the world and go from there.
Here are 15 figures that might help illustrate how special this matchup is: