Opta Facts Bundesliga 6 - 8 February
Gladbach have won each of their last three games against Schalke. A fourth straight win against S04 for the Foals would be a first in the Bundesliga.
There have been just four goals scored in the last three meetings between the two sides in Gelsenkirchen (from Schalke's point of view: 1-0 win, 1-1 draw and a 1-0 loss last season).
Schalke have picked up four points from their first two matches in 2015, meaning they are still unbeaten this year. In total, the Royal Blues haven't lost in four BL games (W2, D2), a first in 2014/15.
Borussia have taken a maximum six points from their first two games this year. The last time they started with back-to-back wins after the winter break was in 2012, with a run of three victories on the trot last happening in the 1993/94 season.
Six of Schalke's last eight BL goals have been scored from headers - Benedikt Höwedes headed in against Bayern. It was the Royal Blues' 10th headed goal this season, already as many as they notched up in the whole of the last campaign.
Both of Gladbach's games in 2015 have ended in 1-0 wins. Patrick Herrmann has netted the winner in both of those matches, assisted by Branimir Hrgota each time.
Borussia are yet to concede a goal in this calendar year and have only let in 16 goals in their 19 league matches this season (just like in their 1969/70 title-winning campaign). The Foals have only conceded fewer at this stage twice before: in 2011/12 (12) and in their 1975/76 championship season (15).
Former Gladbach player Roman Neustädter (2009-12, 59 BL games) is now at Schalke, while Borussia's Raffael (second half of 2012/13, 17 BL games) and Christofer Heimeroth (1999-2006, 8 BL games) both used to play for the Royal Blues.
S04's Tranquillo Barnetta could make his 250th BL appearance in the game against Borussia. The Swiss midfielder has played 249 top-flight games so far for Hannover (7), Leverkusen (187), Frankfurt (22) and Schalke (33), scoring a total of 28 goals.
Schalke will continue to be without Klaas-Jan Huntelaar, who was sent off against Hannover 96 on matchday 18. Two games of his six-match ban have been suspended though after an appeal.
Wolfsburg have scored in all of the 13 BL meetings with Hoffenheim at least once. In the last nine matches both teams netted one goal at least.
Against Hoffenheim the Wolves have won just once in the last four home matches (D2, L1).
Luiz Gustavo signed for Hoffenheim in summer 2007. After the promotion in 2008 Gustavo appeared in 72 BL games for Hoffenheim before he moved to Bayern. Since summer 2013 he has worn Wolfsburg's jersey.
Wolfsburg are unbeaten at home in their last 15 matches (W11, D4) which is the longest streak in the league. Their last home loss was back in March 2014 (1-6 vs Bayern).
Hoffenheim have won only 1 of their last 7 away matches (D2, L4) - 5-0 in Berlin in December 2014.
The Wolves are playing their best Bundesliga season with 38 points after 19 matches. 38 goals as in 2008/09 and 19 goals conceded are record marks for Wolfsburg too.
Kevin De Bruyne had hands in 17 goals (6 goals, 11 assists) which is a league-high.
Wolves' record signing Andre Schürrle scored his last two Bundesliga goals against Hoffenheim in a 5-0 win for Leverkusen in April 2013.
Against no other side has Hoffenheim's Roberto Firmino scored more goals than vs Wolfsburg (5 goals in 8 league matches). Overall he scored 7 goals in 9 competitive matches.
Wolfsburg will play their 300th Bundesliga home match against Hoffenheim. Manager Dieter Hecking is about to face his 100th loss as a Bundesliga manager.
Mainz have only won one of the last six home games versus Hertha (D3, L2) - about five years ago Mainz won by 2-1 in September 2009.
On the first matchday 2014-15 Sami Allagui played for Hertha before he signed on loan for Mainz. On matchday three Allagui then scored for Mainz by winning 3-1 against his former club.
Allagui moved from Mainz to Berlin in 2012, where he promoted to Bundesliga one year later and avoided relegation in 2014 (30 BL matches, nine goal).
Berlin manager Jos Luhukay got fired after the loss against Leverkusen. He signed with Hertha BSC in July 2012 and got promoted to the Bundesliga as 2nd division champion in 2012/13. Last season he finished 11th with Berlin.
Luhukays' follow up Pal Dardai ranks first in most Bundesliga matches played for Berlin (286). Most recently he coached the U15 team of the club and the Hungarian national squad.
Hertha BSC have lost 3 matches in a row without scoring a goal. A fourth match without scoring would tie the club record, last set 3 years ago in February 2012.
Mainz have won just one of their last 5 home matches (D2, L2) and just one of their last 11 overall (D5, L5).
Berlin have the worst away record of the league with just 5 points in 9 away matches. The only away win this season came in Cologne in November (D2, L6).
Hertha are the only side not to have a shot on target in the second half of the season. 68% passing accuracy and 47% duel success are league lows respectively.
Shinji Okazaki is the best Japanese scorer in the history of the Bundesliga (33 goals). In the first meeting with Hertha BSC this season he scored twice and took the first place from Yasuhiko Okudera who scored 26 goals in Germanys top flight.
Freiburg have lost all of the last nine encounters with Dortmund. Against no other BL side they have currently such a bad run.
Only against Bayern Freiburg have suffered more defeats in Bundesliga (22) than versus Dortmund (20).
In all of the 15 away matches at Freiburg Dortmund have scored at least once (averaged 1.9 goals).
Freiburg have only won one of their last 8 matches (D4, L3), so did Dortmund (D3, L4).
Freiburg took 11 of their 18 points this season at home losing just 1 of their last 5 home matches (D2, L2).
16 points after 19 matches are the second worst record in Bundesliga history for Borussia Dortmund. They took less only in their relegation season of 1971/72 (15). Only 18 goals at this stage of the season are a new club record.
Away Dortmund have the leagues' longest winless streak (D2, L7). With 5 points (as Hertha BSC) Borussia have the worst away record this season.
Both teams have the most errors leading to goals this season (Dortmund 9, Freiburg 8).
In summer 2014 World Champion Matthias Ginter signed for Dortmund. For Freiburg he appeared in 70 BL matches and scored twice.
As a player Jürgen Klopp appeared eight times against Freiburg in Bundesliga 2 and won none of these matches. As a manager Klopp have won 12 of his 13 BL encounters with Freiburg (losing once).
Bayern have won each of the last 12 meetings with Stuttgart in all competitions, scoring 35 goals in total (2.9 per game on average).
Stuttgart have lost their last nine encounters with Bayern in the Bundesliga which is the longest active losing streak of any side against another in Germany's top flight.
Against no other side have Stuttgart lost so many matches in the Bundesliga (58); at the same time Bayern haven't won more matches against any other club.
Stuttgart have the worst home record of the league (5 points in 9 matches), Bayern have the best away record of all teams (18 points in 9 matches).
Stuttgart haven't won any of their last 6 matches at home (D2, L4) - the longest active streak in the league.
Stuttgart didn't score on their last 5 home matches and is currently scoreless at home in 464 minutes. Only Freiburg in 2009/10 have had a longer scoreless streak at home in Bundesliga history (609 minutes).
Bayern only took one point out of the first two matches in the second half of the season. The last time they started that badly into the second half, manager Felix Magath got fired after a Nil-Nil against Bochum in 2006/07 after matchday 19.
The defending champions conceded more goals in the first two matches of the second half of the season (5) than in the entire first half of 2014/15 (4).
Arjen Robben scored 7 goals in his last 8 league matches. There are only two teams he hasn't scored against in the league: Paderborn (1 match) and Stuttgart (5 matches).
Stuttgart goalkeeper Sven Ulreich has lost each of his nine Bundesliga games against Bayern, which is a unique record among all current Bundesliga players.
Huub Stevens faced Bayern 20 times as Bundesliga manager (W5 D5 L10), with his 1-0 victory with Schalke in March 1998 being his only clean sheet against them.
Bayern sporting director Matthias Sammer was player (63 Bundesliga games, 20 goals) and manager (2004/05) at Stuttgart.
Robert Lewandowski has never lost a Bundesliga game against Stuttgart (W5 D4) and had a hand in six goals (four goals, two assists) in his last four games against VfB.
After his red card against Schalke defender Jerome Boateng will miss the next three matches. Since Guardiola arrived, Bayern have lost only 1 match with Boateng in the line-up scoring 2.7 points per matches. Without him they took 2.0 points per game.
Cologne have failed to beat Paderborn in the last three meetings (D2 L1), the meeting in the first half of the season ended goalless.
Paderborn have lost both games in 2015 with a goal difference of -8. This is the worst start any side has made to the second half of the season in 52 years of Bundesliga history.
Cologne have won just one of their nine home games this season, which is the worst record in the club's Bundesliga history.
Paderborn's last victory dates back to match day 10 (3-1 over Hertha), they have picked up just four points since (D4 L5). That run has seen them drop from 7th to 14th in the table.
Cologne's last two home games both ended goalless, a third goalless home draw would be unique in Cologne's Bundesliga history (they would be the 7th Bundesliga club overall to do so).
Paderborn's last goal was an own goal by Schalke's Ayhan 329 minutes ago, the last goal scored by a Paderborn player already was 399 minutes ago.
Cologne have kept a clean sheet in three of their last four league games, and eight clean sheets for the season (just as Hamburg and Leverkusen); the second-best league record (Bayern 13).
Cologne have the second-worst home record (seven points from nine home games) while Paderborn have the third-worst away record (six points from nine away games).
As a player, Paderborn manager Andre Breitenreiter faced Köln six times in the Bundesliga (between 1995 and 2000) and failed to win any of those games (D3 L3).
Paderborn's Elias Kachunga was born in Köln and played for FC's city rivals Eintracht and Fortuna.
Hamburg are unbeaten in nine Bundesliga home games against Hannover (W4 D5) and have won the last three in a row. Both runs are unique for Hamburg against current Bundesliga teams.
Hannover have scored 74 Bundesliga goals against Hamburg, more than against any other team, Stuttgart (74 as well) aside.
The last 19 Bundesliga meetings between both sides have produced just one away win (11 home wins, eight draws). Hamburg won 1-0 in Hannover in August 2007.
Hamburg's 3-0 win in Paderborn was their biggest Bundesliga victory since a 3-0 over Dortmund in February 2014. Before that win, Hamburg had failed to score in four consecutive games.
However, Hamburg have failed to win back-to-back league games since April 2013 (2-1 in Mainz and 2-1 against Düsseldorf).
Hanover have won just one of their last eight Bundesliga games (D3 L4), a 2-0 victory over Augsburg in December.
Hamburg have failed to win any of their last five league games against sides behind them in the standings prior to kick-off (D3 L2).
Hamburg have failed to win any of their last 15 Bundesliga games played on Saturday evening (D6 L9), their last win was a 1-0 victory at Schalke in January 2011.
Additionally, Hamburg have lost each of their last five Bundesliga home games played on Saturday evening and failed to win their last seven (D2) since a 2-1 over Schalke in August 2010.
Hamburg's Artjoms Rudnevs spent the second half of the 2013/14 season on loan at Hannover; his team-mate Johan Djourou spent the second half of the 2012/13 season on loan at 96.
Bremen have won just one of their last 13 games against Leverkusen (D7 L5).
Both sides face each other for the eighth time in the Bundesliga on a Sunday, and Werder have failed to win any of these meetings on the last day of the week (D3 L5).
Bremen have won both games in 2015 (just as Augsburg and Mönchengladbach) and climbed to 11th. Three match days ago they were bottom of the table.
Leverkusen are still to concede a goal in 2015 (just as Cologne and Mönchengladbach). They have failed to score more than one goal in each of their last six Bundesliga games, but so have their opponents.
It's the first time since 2006/07 that Bremen have started the second half of the season with two wins. It's also the first time since August/September 2011 that Werder have celebrated three league wins in a row.
Leverkusen have conceded their last eight league goals from set-pieces. But that also means that they haven't conceded a goal from open play since match day 8 (3-3 in Stuttgart)!
Werder have picked up six wins and 19 points from 10 games under Viktor Skripnik, which is the fifth-best record in that period. And they are still unbeaten in home games under Skripnik (W4 D1).
Franco Di Santo had a hand in all four goals Werder have scored in 2015 (three goals, one assist). Alexander Meier (13) and Arjen Robben (11) are the only players to have scored more goals than Di Santo (9) this Bundesliga season.
Leverkusen's Stefan Kießling has scored each of his four goals this Bundesliga season in away games and in the second half.
Augsburg haven't lost any of their last four Bundesliga clashes with Frankfurt (W3 D1).
Augsburg's Halil Altintop played 49 Bundesliga games for Frankfurt between January 2010 and summer 2011 (three goals).
Thomas Schaaf has failed to win any of his five matches against Augsburg as a Bundesliga manager (D2 L3).
Augsburg, Mönchengladbach and Bremen are the only clubs with two wins out of two games in 2015.
Augsburg have won their last three games (and seven of their last nine) and could equal their club record from the first half of the season (four wins in a row) with another victory.
Frankfurt have failed to win their last five Bundesliga games (D3 L2), their longest such-run under manager Thomas Schaaf.
Augsburg have recorded a league high 12 points from losing positions, while Frankfurt have dropped a league high 15 points from winning positions.
Eintracht have conceded a league high 13 goals in the final 15 minutes, while Augsburg have conceded just one goal in that period.
Augsburg's Tobias Werner and Frankfurt's Kevin Trapp could play their 100th Bundesliga games each.
For the first time in his career, Augsburg's Raul Bobadilla has scored in three consecutive Bundesliga games. He is on six goals this season which already is a new personal Bundesliga record for him.
Frankfurt's top goal scorers Alexander Meier (13 goals this Bundesliga season) and Haris Seferovic (seven) are yet to find the back of the net in 2015, but Stefan Aigner has scored in four of his last five league games.