But Leroy Sane - who starred Tuesday at the Etihad for Manchester City - turned up the heat for Schalke , scoring in the 57th minute .
Real Madrid 's assured lead was under threat once more .
But Leroy Sane - who starred Tuesday at the Etihad for Manchester City - turned up the heat for Schalke , scoring in the 57th minute , and Real Madrid 's assured lead was under threat once more .