Manchester United Japanese player Shinji Kagawa (R) warms up during a training session at Nissan Stadium in Yokohama, suburban Tokyo on July 22, 2013. The United will play Yokohama F Marinos on July 23 and then face Kagawa's former J-League club Cerezo Osaka at Nagai Stadium on July 26. AFP PHOTO / KAZUHIRO NOGI
Credit: KAZUHIRO NOGI
Shinji Kagawa of Japan reacts during the 2014 FIFA World Cup Brazil Group C match between Japan and Colombia at Arena Pantanal on June 24, 2014 in Cuiaba, Brazil.
Shinji Kagawa of Japan smiles during the International Friendly Match between Japan and Costa Rica at Raymond James Stadium on June 2, 2014 in Tampa, Florida.
Credit: Mark Kolbe
Shinji Kagawa of Japan celebrates scoring his team's second goal during the FIFA Confederations Cup Brazil 2013 Group A match between Italy and Japan at Arena Pernambuco on June 19, 2013 in Recife, Brazil.
Credit: Laurence Griffiths
Shinji Kagawa of Dortmund celebrates the second goal during the 1. Bundesliga match between Borussia Dortmund an Borussia Moenchengladbach at Signal Iduna Park on April 21, 2012 in Dortmund, Germany.
Credit: Christof Koepsel
Shinji Kagawa of Japan reacts after scoring a goal during the 2015 Asian Cup match between Japan and Jordan at AAMI Park on January 20, 2015 in Melbourne, Australia.
Credit: Darrian Traynor
New signing Shinji Kagawa of Dortmund signs his new Borussia Dortmund contract on August 31, 2014 in Dortmund, Germany.