He was due to begin his tenure at the beginning of the 2016 -- 17 season .
Nagelsmann was appointed head coach of 1899 Hoffenheim on 27 October 2015 .
Nagelsmann was due to begin Nagelsmann 's tenure at the beginning of the 2016 -- 17 season .
Nagelsmann was appointed head coach of 1899 Hoffenheim on 27 October 2015 .