Hoffenheim missed the chance to regain a share of pole position in the Bundesliga on Sunday, as they were held to a 1-1 draw by Hertha Berlin.
Stuttgart captain Christian Gentner is expected to make a full recovery after breaking his lower and lateral eye socket, nose and upper jaw.
Bayern Munich striker Robert Lewandowski has refused to comment on the latest speculation linking him with Real Madrid.
Robert Lewandowski netted twice on his 100th Bundesliga game for Bayern Munich as they beat Mainz 4-0.
Carlo Anceloti's midweek changes from Champions League proved fruitful, while Thomas Muller, Arjen Robben and Robert Lewandowski led the charge.
Robert Lewandowski's brace helped Bayern bounce back from last match's disappointing loss with a 4-0 rout of Mainz.