Masahiro 'Masa' Yamamoto (山本昌 (Yamamoto Masa), real name: 山本昌広 (Yamamoto Masahiro), born August 11, 1965, in Chigasaki, Kanagawa Prefecture) is a left-handed, retired Japanese professional baseball pitcher. A screwballer, Yamamoto pitched for the Chunichi Dragons in Japan's Nippon Professional Baseball for 29 years from 1986 to 2015. He is the oldest Japanese pitcher to win a baseball game. With 200+ career victories, he is a member of Meikyukai.
Source: “Masahiro Yamamoto (baseball)”, English Wikipedia (CC BY-SA 4.0), excerpt