The 19-year-old midfielder has impressed since breaking into the Schalke first team set-up and has been in superb form this term, scoring three goals and providing one assist despite the fact that only two of his seven Bundesliga appearances in 2015/16 have been starts.
White Hart Lane boss Mauricio Pochettino has targeted talents from the German top tier recently with the likes of Kevin Wimmer and Son Heung-min having been brought in from FC Koln and Bayer Leverkusen respectively this summer.
Sane’s fine run of form has led to a first call-up to the German Under 21 national team set-up despite still being a teenager.
Tottenham transfer news.
Premier League team of the weekend: Arsenal hat-trick star Sanchez joined by Tottenham trio & Liverpool pair
Tottenham target tough-tackling Italian international: Host of Premier League sides keen on centre-back
Pochettino has seen his side put together a good run of form following their opening weekend defeat away at Man United, with Spurs picking up three draws followed by three successive victories, including most recently a 4-1 humbling of Man City, to push the club up to fifth in the Premier League table.