Masato Yoshii is a former professional baseball player from Japan, known for his role as a pitcher. He was born on June 17, 1969, in Osaka, Japan. Yoshii played in both the Nippon Professional Baseball (NPB) and Major League Baseball (MLB), showcasing his talent in various teams throughout his career. In NPB, he played for the Hiroshima Toyo Carp and the Seibu Lions, while in MLB, he was a member of the New York Mets and the Colorado Rockies. Yoshii was recognized for his strong pitching skills and contributed to his teams with notable performances during his time in both leagues.