A lot is at stake for welterweight champion Leon Edwards at UFC 286 on Saturday in London.
With a second straight win over former titleholder Kamaru Usman, Edwards could go down as one of the best welterweights of all time, earning a place alongside Hall of Famer Georges St-Pierre.
Last August, Edwards (20-3-1 no contest) pulled off one of the best head-kick knockouts in mixed martial arts history against Usman to become the first…