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| Medal record | ||
|---|---|---|
| Men's baseball | ||
Representing  Japan
| ||
| Olympic Games | ||
 |
1992 Barcelona | Team |
| Intercontinental Cup | ||
 |
1991 Barcelona | Team |
Hiroyuki Sakaguchi (坂口 裕之, Sakaguchi Hiroyuki, born August 2, 1965 in Miyazaki Prefecture, Japan) is a Japanese baseball player. He won a bronze medal at the 1992 Summer Olympics.