Naoya Inoue continued to build his legacy as the Japanese boxer brutally knocked out Ye Joon Kim on January 24. South Korean Kim stepped in on two weeks' notice after Inoue's original opponent, Sam Goodman,

Undisputed world junior featherweight champion Naoya Inoue stormed to a predictable fourth-round knockout win over late replacement opponent Ye-Joon Kim on Friday, to set up a fight in the United States next.

Be careful what you ask for - Ye Joon Kim beckoned Naoya Inoue in, and the champion knocked him out with a clean right cross; Inoue dominated replacement challenger Kim, stopping him inside four rounds;