5. Hisashi Iwakuma
Hisashi Iwakuma is a baseball player with an estimated net worth of US $ 6.5 million. 34 years old right handed baseball pitcher plays for Seattle Mariners in MLB. Previously he played for Osaka Buffaloes and Tohoku Eagles in the NPB.
He made his first international appearance in the 2004 Olympics and also part of the Japanese national team in the world baseball classic in 2009. He also finished third in the in the 2013 American League.