Tadayuki_Maruyama
Tadayuki Maruyama
Japanese boxer
Tadayuki Maruyama (丸山 忠行, Maruyama Tadayuki, born 29 January 1942) is a Japanese boxer. He competed in the men's heavyweight event at the 1964 Summer Olympics.[1] At the 1964 Summer Olympics, he lost to Athol McQueen of Australia.[1]