is a former

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

ese

football Football is a family of team sports that involve, to varying degrees, kicking a ball to score a goal. Unqualified, the word ''football'' normally means the form of football that is the most popular where the word is used. Sports commonly c ...

player.

Playing career

Koga was born in

Shizuoka Prefecture is a prefecture of Japan located in the Chūbu region of Honshu. Shizuoka Prefecture has a population of 3,637,998 and has a geographic area of . Shizuoka Prefecture borders Kanagawa Prefecture to the east, Yamanashi Prefecture to the northea ...

on April 17, 1972. After graduating from Osaka University of Commerce, he joined newly was promoted to

J1 League The , known as the for sponsorship reasons, is the top level of the system. Founded in 1992, it is one of the most successful leagues in Asian club football. Contested by 18 clubs, it operates on a system of promotion and relegation with the J ...

club,

Cerezo Osaka is a Japanese professional football club based in Osaka. The club currently plays in the J1 League, which is the top tier of football in the country. The club's name ''Cerezo'' (Spanish for cherry blossom) is also the flower of the city of Osaka. ...

in 1995. He played many matches as defensive midfielder. However he could hardly play in the match from 1998 and retired end of 1999 season.

Club statistics

References

External links

* 1972 births Living people Osaka University of Commerce alumni Association football people from Shizuoka Prefecture Japanese footballers J1 League players Cerezo Osaka players Association football midfielders {{Japan-footy-midfielder-1970s-stub