Koji Yamamoto

Kōji Yamamoto is a former Japanese baseball player and manager of the Hiroshima Toyo Carp of Japan's Central League. A four-time home run king having played for Hiroshima Carp throughout his career, Yamamoto contributed to the team winning five league championships including its first-ever in 1975, and three titles of Japan Series in 1979, 1980 and 1984. He recorded over 40 home runs for five years in a row from 1977. With 536 home runs, he is fourth on the NPB career list. He is known as the Mr. Red Helmet , nicknamed after Hiroshima Carp's symbolic red colored helmet.