Frankfurt is sitting in the best position to make UCL. Have Leverkusen this weekend, then it is Mainz, Schalke, Freiburg. If they lose to Leverkusen and run the table on the rest they are in.
Wolfsburg has Leipzig and Dortmund still, then Union and Mainz. They could lose two of those. Even if they go 2-2 Dortmund needs to run the table.
Dortmund has Leipzig and Wolfsburg and Leverkusen with only Mainz as a softy. Must run the table on these games. Absolutely can't lose to Wolfsburg. Game of the weekend.
Mainz winning today was big because they finish with Bayern, Wolfsburg, Frankfurt, Dortmund. May still get relegated with that schedule.