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. His brother
Masahiro Koga is also former footballer.
Playing career
Koga was born in
Okawa on August 7, 1979. After graduating from high school, he joined the
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
Yokohama Marinos
is a Japanese professional football club based in Yokohama, Kanagawa Prefecture, part of the Greater Tokyo Area. The club competes in the J1 League, which is the top tier of football in the country.
Having won the J-League title four times and ...
(later ''Yokohama F. Marinos'') in 1998. Although, he played several matches as an offensive midfielder every season, he did not play in many matches. In 2002, he moved to the
J2 League
The or simply J2 is the second division of the and the second level of the Japanese association football league system. The top tier is represented by the J1 League. It (along with the rest of the J.League) is currently sponsored by Meiji Yas ...
club
Avispa Fukuoka
is a Japanese professional football club, currently competing in the J1 League. The team is located in Hakata, Fukuoka. "Avispa" means "wasp" in Spanish. They were originally called Fujieda Blux and based in Fujieda, Shizuoka before moving t ...
based in his local area. He played many matches as left offensive midfielder and the club was promoted to J1 in 2006. However the club was relegated to J2 in a year and his opportunity to play decreased in 2007. He became a regular player and played often until May 2008. After that, he could not play due to an injury. Although he came back in July 2009, he was released from the club at the end of the 2009 season. In May 2010, he joined the
Prefectural Leagues club
SC Sagamihara
is a Japanese association football club based in Sagamihara, Kanagawa Prefecture. They currently play in the third tier of Japanese football J3 League.
History
In 2011 they joined Division 2 of the Kanto Regional League after three years of con ...
. He played often and the club was promoted to the
Regional Leagues
In geography, regions, otherwise referred to as zones, lands or territories, are areas that are broadly divided by physical characteristics (physical geography), human impact characteristics (human geography), and the interaction of humanity and t ...
in 2011. He retired at the end of the 2012 season.
Club statistics
References
External links
*
1979 births
Living people
Association football people from Fukuoka Prefecture
Japanese footballers
J1 League players
J2 League players
Yokohama F. Marinos players
Avispa Fukuoka players
Vissel Kobe players
SC Sagamihara players
Footballers at the 1998 Asian Games
Association football midfielders
Asian Games competitors for Japan
{{Japan-footy-midfielder-1970s-stub