Tsuyoshi Yamaguchi (山口 剛史, Yamaguchi Tsuyoshi; born 21 November 1984) is a Japanese curler from Karuizawa, Nagano.
Source: “Tsuyoshi Yamaguchi (curler)”, English Wikipedia (CC BY-SA 4.0), excerpt
Tsuyoshi Yamaguchi (山口 剛史, Yamaguchi Tsuyoshi; born 21 November 1984) is a Japanese curler from Karuizawa, Nagano.
Source: “Tsuyoshi Yamaguchi (curler)”, English Wikipedia (CC BY-SA 4.0), excerpt