This Saturday’s fight between Errol Spence and Terence Crawford is the big one, the main event of all events, an extravaganza. It is the Super Bowl but with even more buildup. Every Super Bowl is one year in the making. The path to Spence vs. Crawford has featured five years full of anticipation, hope, frustration, and, at last, excitement. How could any boxing fan not be excited? The fight — THE fight — is nearly here.