Yushin Okami One of the world’s top middleweights is dropping a weight class and making his welterweight debut later this year. Yuhsin Okami (30-9), who only recently fell out of the USA TODAY Sports/MMAjunkie MMA middleweight rankings after a long run in the top 15, is headed to 170 pounds. WSOF matchmaker Ali Abdelaziz announced the drop while on MMAjunkie Radio.