German football club Borussia Dortmund has announced the signing of South Korean international defender from league rivals Mainz.
The 27-year-old agreed on a transfer to Bundesliga side Dortmund after inking a contract until June 2018, Xinhua news agency reported.
"Park Joo-ho is, as a left back, the ideal addition to our squad," Dortmund sporting director Michael Zorc told the club's official website.
Joo-ho joined Mainz in July 2013 to score one goal in 44 appearances. The defender made his international debut in 2010 and so far played 26 matches for South Korea.
Dortmund encounter Hertha Berlin at the third round of Bundesliga on Sunday.
