von gross has signed a three - year deal to replace von Klopp . he will officially take over at Borussia Dortmund on July 1 . The 41-year - old 's last job was at Bundesliga ##hl Mainz .
Thomas Tuchel has signed a three-year deal to replace Jurgen Klopp . Tuchel will officially take over at Borussia Dortmund on July 1 . The 41-year-old 's last job was at Bundesliga side Mainz .