Tatsushi Koyanagi (小柳 達司, born February 7, 1990) is a Japanese football player who plays as a defender for J2 League club Blaublitz Akita. Club statistics Updated to 26 December 2022. References External links Profile at Zweigen Kanazawa 1990 births Living people Nippon Sport Science University alumni Association football people from Chiba Prefecture Japanese footballers J2 League players Thespakusatsu Gunma players Zweigen Kanazawa players Ventforet Kofu players Blaublitz Akita players Association football defenders