Please note the ESPN documentary on Japan HS baseball National Tournament played each at Koshien Stadium in Osaka. 40,000 people watch the games.
Beginning 1983, our American "All Stars" selected and Coached by Pro Scouts played the Japan National Team. The games were played in Koshien and other Pro Stadiums and our players included over 200 future MLB including Torii Hunter.
Later Torii and H. Matsui played on the Los Angeles Angels.
When Tanaka pitched against Matt Harvey at Cooperstown Stadium, 40 million watched on Japan TV.