Published: Jun 19, 2016, 20:19 IST | Updated: Jun 19, 2016, 20:19 IST
The 24-year-old, who helped Gamba achieve a domestic treble in 2014 and has previously had spells at Bayern Munich and Hoffenheim, will play his final J-League game at home to Nagoya Grampus
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Takashi Usami joined Bayern Munich on loan as a teenager in 2011 amid much fanfare in Japan, scoring six goals in 18 appearances