• Dortmund may have won three of their last five Bundesliga meetings with Hertha (D1 L1), but they have won just one of their last five Bundesliga home games against them (D2 L2).
  • Dortmund have taken just four points from their last five games (W1 D1 L3).
  • Hertha are unbeaten in three matches (W2 D1) and have won their last two away games – something they last managed in March/April 2010. Berlin last celebrated three successive Bundesliga away wins in April/May 2007.
  • Dortmund have lost their last two home games without scoring – the last time that happened was in August 1990. BVB have never gone three consecutive Bundesliga home games without scoring.
  • Klopp’s side currently have one point more (32) than they did at the same point in their 2011/12 title-winning season (31), despite this mini-crisis.
  • Five of the last six Dortmund goals have come from set-pieces – a good record for the Hertha game, with Berlin having conceded the highest percentage of goals from set-pieces (53%).
  • Only Bayern (138) have allowed fewer shots than Dortmund (144) and Hertha (166).
  • The league’s top scorers will meet in Robert Lewandowski (11 goals) and Adrian Ramos (10). Lewandowski has been involved in seven of the last 10 BVB goals, while Ramos has been involved in nine of Hertha’s last 11 goals.
  • Hertha’s Ronny has been involved in a goal every 77 minutes (4 goals and 3 assists in 542 minutes) – the best record in the league for players involved in at least five goals.
  • Lukasz Piszczek made a total of 68 appearances for Hertha BSC between 2007 and 2010 (3 goals, 4 assists), before he moved to Dortmund.