Errol Spence and Terence Crawford’s highly-anticipated welterweight Fight of the Year doubles as a ring showdown for the pound-for-pound crown that boxing aficionados have been counting down to for years.
For purists, Crawford and Spence are a dream pairing. Crawford has been the No.1 pound-for-pound fighter in the world since Canelo Álvarez was chopped down to size by WBA light heavyweight champ Dmitry Bivol…