Shunsuke Watanabe (渡辺 俊介, Watanabe Shunsuke; born August 27, 1976) is a Japanese former professional baseball pitcher. He played in Nippon Professional Baseball (NPB) for the Chiba Lotte Marines from 2001 to 2013. His submarine pitching form was noted during the 2006 World Baseball Classic.
Source: “Shunsuke Watanabe”, English Wikipedia (CC BY-SA 4.0), excerpt