Kazuhisa Kawaguchi (川口 和久, Kawaguchi Kazuhisa; born July 8, 1959) is a Japanese former Nippon Professional Baseball pitcher. In February 2023, he was hired by his former school of Tottori Jōhoku High School, to train its baseball team.
Source: “Kazuhisa Kawaguchi”, English Wikipedia (CC BY-SA 4.0), excerpt
