Omar Narvaez holds up his WBO junior flyweight title after stopping Rayonta Whitfield in the 10th round in Argentina. (Jose Luis Lazarte/AFP/Getty Images)
Rayonta Whitfield (22-0, 11 KO) and WBO flyweight titlist Omar Narvaez (28-0-2, 17 KO) at the weigh-in for their title fight on Saturday in Puerto Madryn, Argentina. (Jose Luis Lazarte/AFP/Getty Images)