Koji Mitsui (三井 浩二, Mitsui Kōji; born September 15, 1973) is a Japanese retired professional baseball pitcher. He played in Nippon Professional Baseball for the Seibu / Saitama Seibu Lions from 2001 through 2009.
Source: “Koji Mitsui”, English Wikipedia (CC BY-SA 4.0), excerpt
