Schalke manager Markus Weinzierl promises that his players will give their all in their Ruhr derby with Dortmund.
Bundesliga club have studied more than 50 different locations across the German capital.
Hoffenheim's Niklas Sule won't be distracted by facing Bayern despite having secured a move to Munich in the summer.
Get caught up on this weekend's Bundesliga action, as Dortmund look for an away result and Hertha Berlin push for top four.
It remains massively unlikely that Bayern will sell Joshua Kimmich but, at the moment, he's picking up scraps of minutes wherever he can.
Christensen, 20, has impressed greatly during a two-year spell in the Bundesliga with Gladbach.