Johannes Flum will start instead of Cedric Makiadi, who is at the AFCON in January.
Mensur Mujdza returns from suspension to start at right-back. Oliver Sorg will switch to the left side again.
Jan Rosenthal is suspended for one game and could be replaced by Karim Guédé.
Mainz have had a strong first half of the season. They are currently in the top 6 and will most likely steer clear of a relegation battle this year.
Freiburg have started even better, in a sensational fifth place ahead of the winter break and with the second best defence in the league. Manager Streich has turned one of the favourites to go down into a very good football team.
The two surprising teams of the season play each other this weekend. Expect a close and competitive game.
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