UFC 278: Kamaru Usman favored to tie Anderson Silva's record

A champion who is encroaching upon record territory makes his next title defense in the main event of Saturday night's UFC 278.

Kamaru "The Nigerian Nightmare" Usman (20-1) puts his welterweight title on the line against England's Leon Edwards (19-3) in the featured bout at Vivint Arena in Salt Lake City, Utah.

The Ft. Lauderdale, Fla. resident by way of Nigeria will look to make his sixth successful defense of a crown