Hiroyuki Sakaguchi

{{short description|Japanese baseball player}}

{{BLP sources|date=July 2010}}

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{{MedalSport | Men's baseball }}

{{MedalCountry | {{JPN}} }}

{{MedalCompetition | Olympic Games }}

{{MedalBronze | 1992 Barcelona | Team }}

{{MedalCompetition | Intercontinental Cup }}

{{MedalSilver | 1991 Barcelona | Team }}

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{{Nihongo|Hiroyuki Sakaguchi|坂口 裕之|Sakaguchi Hiroyuki|extra=born August 2, 1965 in Miyazaki Prefecture, Japan}} is a Japanese baseball player. He won a bronze medal at the 1992 Summer Olympics.