is a Japanese football manager and former footballer who is the manager of club Yokohama F. Marinos.
Playing career Oshima was born in Isesaki on March 7, 1980. After graduating from high school, he joined J1 League club Yokohama Flügels in 1998. Although he played several matches as forward, the club was disbanded end of 1998 season due to financial strain. In 1999, he moved to Kyoto Purple Sanga with contemporaries Yasuhito Endo, Kazuki Teshima so on. However he could hardly play in the match. In 2001, he moved to J2 League club Montedio Yamagata. He became a regular player and played many matches until 2004. In 2004, he scored 22 goals and became a top scorer of J2 League in Japanese player.
In 2005, he moved to Yokohama F. Marinos. He played many matches and he became a regular forward in 2007. In 2007, he scored 14 goals and became a top scorer of J1 League in Japanese player in 2007. However, his opportunity to play decreased in late 2008 and he was released from the club end of 2008 season. In 2009, he moved to Albirex Niigata. Although he could not score many goals, he played as regular player until 2010. However his opportunity to play decreased in 2011. In August 2011, he moved to J2 club JEF United Chiba. In 2012, he moved to Consadole Sapporo. Although he played many matches as substitute, the club was relegated to J2. In 2013, he moved to J2 club Giravanz Kitakyushu. He played many matches as a substitute until 2015. In 2016, his opportunity to play decreased and the club finished at bottom place and was relegated J3 League end of 2016 season. He retired by the end of 2016 season.
Coaching career In June 2025, Ōshima was appointed head coach of Yokohama F. Marinos, who were sitting at the bottom of the 2025 J1 League standings at the time.
Club statistics Nippon Sports Kikaku Publishing inc./日本スポーツ企画出版社, "2016J1&J2&J3選手名鑑", 10 February 2016, Japan, (p. 185 out of 289)Nippon Sports Kikaku Publishing inc./日本スポーツ企画出版社, "J1&J2&J3選手名鑑 2014 (NSK MOOK)", 14 February 2014, Japan, (p. 220 out of 290)
Club performance League Cup League Cup Continental Total Season Club League Apps Goals Apps Goals Apps Goals Apps Goals Apps Goals Japan League Emperor's Cup J.League Cup Asia Total1998Yokohama FlügelsJ1 League601000-70Total601000-701999Kyoto Purple SangaJ1 League400030-702000000010-10Total400040-802001Montedio YamagataJ2 League43123020-4812200238610--396200342933--45122004432211--4423Total166498420-176532005Yokohama F. MarinosJ1 League289003051361020062543080-364200730142294-412020082972080-397Total112347228451152412009Albirex NiigataJ1 League3344160-43520102843050-3642011500000-54Total66871110-8492011JEF United ChibaJ2 League9300--93Total9300--932012Consadole SapporoJ1 League2000051-251Total2000051-2512013Giravanz KitakyushuJ2 League35310--363201433130--361201532010--330201611010--120Total111460--1174 Career total4949829750551578111
Managerial statistics
+ Managerial record by team and tenureTeamNat.FromToRecordYokohama F. Marinos24 June 202530 June 2026Career Total
J.League Firsts Appearance: March 21, 1998. Yokohama Flügels 2 vs 1 Yokohama Marinos, International Stadium Yokohama Goal: March 10, 2001. Kyoto Purple Sanga 2 vs 2 Montedio Yamagata, Nishikyogoku Athletic Stadium
References
External links