Dortmund can inflict misery on Mainz
BT Sport 1, from 2.30pm Sunday
Freiburg went down 2-1 at home to Bayern Munich in their first match since the winter break but have a better chance against Hertha, who have lost their last two away games.
1pt 6-4 general
Hertha Berlin have lost three of their last four matches
Mainz v Borussia Dortmund 4.30pm
Pierre-Emerick Aubameyang is back in contention for Borussia Dortmund this weekend after returning from the Africa Cup of Nations and can help the Yellow-Blacks win at mid-table Mainz.
Dortmund returned to the top four by winning 2-1 at Werder Bremen last week and can maintain their strong start to 2017.
2pts 8-13 general
Borussia Dortmund have lost one of their last 16 fixtures