Athletic v Racing de Santander
Athletic have lost none of their last seven top-flight meetings with Racing (W5 D2), winning the last five in a row.
Athletic and Racing have drawn the joint-most La Liga matches this season (6 - along with Sevilla, Mallorca and Osasuna).
Bielsa's side have, along with Barcelona, the joint-most different goalscorers in LigaBBVA this season (12, twice as many as Racing).
The cántabros have scored the highest proportion of headed goals in LigaBBVA this season (40%).
Racing are the only side yet to score in the last 15 minutes of a La Liga game this season.
Racing have dropped the most points in the last 15 minutes of league games this season (5, level with Getafe).
Athletic have lost the second-most points after taking the lead in LigaBBVA games this season (10, after Mallorca 11).
Racing have played out the joint-most goalless draws in LigaBBVA this season (4, along with Sevilla), while Athletic are one of only two sides (along with Valencia) yet to play in a goalless draw.
On the four previous occasions that Racing have taken 12 points from their opening 14 games in Primera (assuming three points for a win), they have only been relegated once (1982/83).
Espanyol v Atlético de Madrid
Atlético and Espanyol have conceded the joint-most goals from penalties in LigaBBVA this season (four, along with Real Zaragoza).
Espanyol are one of only three teams yet to score in the opening 15 minutes of league matches this season.
The colchoneros have scored the most headed goals in La Liga this season (seven, three by Adrián).
The Catalonian side have only once this season managed to score more than one goal in a league match (matchday 3 vs Athletic).
The rojiblancos are without a win away from the Calderón this season in LigaBBVA (D1 L5) and have the poorest away record on the road in the competition.
Espanyol have won all five league matches in which they have scored the opening goal this season.
Espanyol are without a win in their last five league games (D2 L3).
On the last two occasions that the periquitos have gone five without a win in the league, they have won their next game.
There have been at least three goals in each of the last six games between Atlético and Espanyol in the league (26 in total, 4.3 per game).
Espanyol are unbeaten in their last three league games against the rojiblancos (W2 D1).
Getafe v Granada
This is the first meeting between Getafe and Granada in Primera: they have met 10 times in Segunda since 1976/77.
Of the five games played at Getafe in Segunda, the hosts won three, losing the other two.
Granada managed their biggest away win in Segunda since 76/77 at Getafe (4-0 in 77/78).
In the five meetings played at Getafe in Segunda between the sides, Granada always managed to find the net (nine goals in total).
Luis GarcÃa's men have won back-to-back home games for the first time in the league this season.
Fabri's men have gone five top-flight games without a defeat for the first time since the 1974-75 season (six games without defeat).
After Cesena (six), Granada are the lowest-scoring side in Europe's top five leagues this season (eight).
Getafe have won none of the four games in which their top league goalscorer this season (Miku, five goals) has found the net this season (D1 L3).
Neither Getafe nor Granada have found the net in the opening 15 minutes of a league game this season.
Levante v Sevilla
In the 12 league meetings between Sevilla and Levante in Primera, the Valencians have managed just one win and one draw.
Sevilla have scored 36 goals in total against Levante in 12 games in the top flight.
This is Levante's best-ever start to a season in La Liga (26 points from 14 games), beating their previous best by six (20 points in 2004/05).
It is eight years since Sevilla last played 14 league games before managing back-to-back wins.
Against Getafe, Marcelino's men won by more than one goal for the first time in the league this season.
Levante and Sevilla are the only two sides who have not conceded between the 16th and 30th minutes this season in LigaBBVA.
Sevilla are the only side yet to concede in the first 15 minutes of the second half in the league this season.
Levante have won all eight league games in which they have taken the lead this season.
Sevilla have conceded the fewest goals on the road in the league this season (two).
Negredo has scored two of Sevilla's three league goals away from home this season.
Arouna Koné has now scored more league goals with Levante this season (five) than in his four previous seasons with Sevilla and Hannover combined (three).
Málaga CF v Osasuna
Osasuna have won on only two of their nine trips to Málaga CF in Primera since the latter was refounded (D2 L5).
This is Málaga CF's best-ever start to a campaign in Primera, with 23 points from 14 games.
Málaga have won eight of their last 10 league games at home.
In their last game on the road at Espanyol, Osasuna ended a run of seven away league games without a win.
The rojillos have conceded the most goals on the road in La Liga this season (22).
Osasuna are, along with Sevilla and Espanyol, the side who have had the most players sent off in the league this season (four).
67% of Osasuna's league goals this season have come in the last half-hour of the first half (12).
The Andalucians have, along with Real Sociedad, conceded the joint-most goals in the first 15 minutes of LigaBBVA games this season (five).
Málaga have won 75% of their league games when Julio Baptista has played this season (1.4 goals per game), vs 40% without him (1.25).
Raúl GarcÃa has been directly involved in 50% of Osasuna's league goals this season (4G 5A): only Lionel Messi at Barcelona has been involved in more (51%).
Rayo Vallecano v Sporting Gijón
Rayo have only won four of their 16 meetings with Sporting in the top flight.
The franjirrojos have only won two of their last six games at home to Sporting in Primera.
Sporting have won their last three league meetings with Rayo, scoring seven goals and conceding just one.
Two of the Asturians' three wins at Rayo in the top flight have ended with the same result: 1-2.
Rayo have lost their last three league games and are the joint-poorest side at home in LigaBBVA this season (seven points).
Preciado's men have only won one of their last five league games and have failed to score in their last two.
Rayo have scored the the highest proportion of their goals (five) between the 61st and 75th minutes of league games this season, while Sporting have conceded the most goals in this period (six).
Real Betis v Valencia
Betis have lost 10 of their last 12 league meetings with Valencia, with just one win and one draw.
This is Valencia's third-best start in the league after 14 games: in 1943/44 and 1947/48 they finished first and second respectively.
In their last season in Primera (08/09), Betis had five points more at this stage of the season.
Betis are on a run of 10 league games without a win (D1 L9), and are three games short of their poorest run in the top flight (13 games without a win in 1988/89).
Unai Emery's men have won their last three league games on the road, conceding just one goal in the process.
Valencia are the second-best away side in LigaBBVA this season with 13 points (Real Madrid 19).
69% of Real Betis' goals in the league this season have either come in the first 15 (four) or last 15 (five) minutes of matches.
Valencia have not lost a league game this season in which they have taken the lead (11): nine wins, two draws.
Against Osasuna, Rubén Castro ended a run of seven league games without scoring.
Roberto Soldado is the highest-scoring Spanish player in Europe's top five leagues this season with nine goals (Fábregas and Raúl, seven each).
Real Madrid v Barcelona
During his entire managerial career, José Mourinho only has a lower win percentage as a manager against his current club Real Madrid (D1 L3) than Barcelona in all competitions (23.5% - W4 D6 L7).
Mourinho has lost more matches against Barcelona than any other side in all competitions (7 - next is Liverpool (5)).
Pep Guardiola has only won more matches against Athletic Bilbao (8) than he has against Real Madrid (7).
Real Madrid have not dropped a single point after scoring first in the league since 2009/10: every other side has dropped at least 18 in this period.
Guardiola's side has scored the most goals in the opening 15 minutes this season (11), while Mourinho's men have scored the most in the last 15 (10).
Real Madrid have won just one of their last 11 meetings with Barcelona in all competitions (D3 L7).
Barcelona have won just three of their last 10 league games away from the Camp Nou, having set a record for most consecutive away wins in Primera (12) last season.
Real Madrid have won six of their last eight meetings with Barcelona in December (1D 1L).
Mourinho's side have won their last 10 league games, their best run under the Portuguese coach: the club record is 15 from 1960/61.
Gonzalo HiguaÃn has opened the scoring in more LigaBBVA matches than any other player this season (four times).
Lionel Messi has scored on his last five visits to the Bernabéu in all competitions (seven goals).
Real Madrid have received six red cards in the seven clásicos in the "Mourinho era", compared to two for Barcelona.
Real Zaragoza v Mallorca
Mallorca have won on none of their last five visits to La Romareda (D2 L3).
The maños are on a run of seven league games without a win (D1 L6), the second-longest run in Primera after Betis (10).
Javier Aguirre's men are on a run of three league games without a goal for the first time this season.
Zaragoza have conceded the most headed goals in the league this season (seven).
Zaragoza have lost all eight games after conceding first in the league this season.
All 12 of Real Zaragoza's league goals this season have come from inside the box (no penalties): the only side in LigaBBVA to have this record.
42% of Zaragoza's league goals this season have come in the final 15 minutes of matches, the highest proportion in the competition.
Mallorca are yet to win on the road in the league this season (D3 L3).
JoaquÃn Caparrós is yet to beat Laudrup's statistics in LigaBBVA: P7 W1 (14% wins), Laudrup: P5 W2 (40%).
Hemed (Mallorca) has scored the second-most goals from penalties in the league this season (five) after Cristiano Ronaldo (six).
Villarreal v Real Sociedad
Villarreal have only won three of the nine top-flight games at home to Real Sociedad.
This is Villarreal's poorest-ever start to a top-flight campaign (14 pts from 14 games): last season they had 30 by this stage.
Real Sociedad have won back-to-back league games for the first time this season.
The donostiarra have scored more goals in their last two league games (six) than in their previous 10 combined (five).
Philippe Montanier's men have conceded the joint-most goals in the opening 15 minutes of league matches this season (five).
Villarreal have won none of their five league games without Marcos Senna this season.
Real have, after Espanyol (82%), scored the second-highest proportion of their goals in the second half this season (73%).
Four of Aguirretxe's five league goals this season have been headers: he has scored more goals this way than any LigaBBVA player this season.
