The mixed martial arts world on Tuesday mourned the loss of popular Japanese fighter Norifumi "Kid" Yamamoto, who died after a battle with cancer at age 41.Competing mostly as a lightweight and sometimes as a featherweight, Yamamoto had 18 wins, six losses and two no contests during a 14-year career including stints in the Ultimate Fighting Championship and the Japan-based K-1 promotion.The youngest son of a famous wrestling family, Yamamoto enjoyed huge popularity in his home country at the height of his MMA career.His father Ikuei wrestled for Japan at the 1972 Munich Olympics, while his …READ FULL ARTICLE