Tetsuya Utsumi (内海 哲也, Utsumi Tetsuya; born April 29, 1982 in Kyoto, Japan) is a Japanese professional baseball player for the Saitama Seibu Lions of Nippon Professional Baseball(NPB). He previously played for the Yomiuri Giants.
Source: “Tetsuya Utsumi”, English Wikipedia (CC BY-SA 4.0), excerpt