Chelsea have lost their last two Barclays Premier League games against WBA and they were the final matches in charge for Andre Villas-Boas and Roberto Di Matteo respectively.
The Blues had won each of their previous 11 Premier League encounters with the Baggies.
Chelsea have scored 17 goals in six previous Premier League home games against West Brom.
Chelsea have gone six Premier League games without keeping a clean sheet, winning only two games in that run.
Seven of WBA's last eight Premier League wins have seen them score exactly two goals.
WBA have won only four of the 20 Premier League games they've played in March.
Chelsea have been awarded nine penalties this season, more than any other side.
Romelu Lukaku is the top scoring teenager in the top five European leagues with 12 goals but is ineligible for this game as it is against his parent club.
Frank Lampard has scored 199 goals for Chelsea and is three away from equalling the 202-goal club record set by Bobby Tambling (*prior to Chelsea's midweek FA Cup meeting with Middlesbrough).
Shane Long has scored a goal on each of his last two league starts against Chelsea. The Irish forward has netted 19 Premier League goals in total.
Of teams to have played 20+ PL games in March, only Ipswich Town (0.61) average fewer points per game than West Brom (0.85)
Everton v Reading
Everton have won only two of their five Barclays Premier League encounters with Reading.
Four of the five Premier League meetings between these two sides have gone under 2.5 goals.
Reading are the only side in the Premier League to concede a goal in each of their away games this season.
Nine of Reading's goals this season have come from substitutes, a league-high.
Adam Le Fondre has bagged five Premier League goals in 2013; only Gareth Bale, Christian Benteke and Romelu Lukaku have more (6 each).
One of Adam Le Fondres's three braces this season came in the reverse fixture between the two teams.
Everton have used fewer players than any other Premier League side this season (22).
Only Southampton (27) and Reading (20) have dropped more points from leading positions this season than Everton (19).
Reading have won eight points thanks to goals scored after the 80th minute this season. Only league leaders Manchester United (9) have won more.
Tottenham Hotspur (8) are the only side to drop more points thanks to goals conceded after the 80th minute than Everton (7).
Only Man Utd (20.5%), Chelsea (18.0%) and Arsenal (16.7%) have better shot conversion rates this season than Reading (14.6%).
Everton have won just one of their last six (D3 L2); but have tasted defeat at home just once in 13 home games this season (W6 D6).
Manchester United v Norwich City
Norwich have won two of their last four Barclays Premier League games against Manchester United but they have both come at Carrow Road.
Norwich's last league win at Old Trafford came in August 1989.
United and Norwich have scored 23 (13 and 10 respectively) headed goals in the Premier League this season.
Just one of the 31 goals that Manchester United have conceded this season have been scored from outside the box.
Sir Alex Ferguson's side have kept three consecutive league clean sheets for the first time this season. This is their best run since March/April 2012 when they kept five in a row.
Man Utd are looking to win five league games in a row for the second time this season, no other side has managed this once.
United will be unbeaten for 16 games if they avoid defeat in this game, surpassing Man City's 15 game unbeaten run from the start of the season.
United have hit the woodwork 19 times this season, only Everton have done so as often.
Robin van Persie has hit the woodwork seven times, more than six Premier League sides in their entirety.
United have claimed a league high and club Premier League record 27 points from losing positions this season but have not had to do so since January.
If Ryan Giggs features in this game it will be his 1000th senior appearance (Currently his record is: Manchester United - 931 apps, Wales - 64 apps, Great Britain - 4 apps).
Southampton v Queens Park Rangers
Southampton have won only five of their last 17 league games against QPR.
Saints have scored more own goals than any other side this season, helping their opponents to five goals.
Individually, Jos Hooiveld has equalled an all-time Barclays Premier League record by scoring three own goals in a single campaign this season. Scott Dann (2011/12), John Pantsil (2010/11) and Andreas Jakobsson (2004/05) are the others.
Only one of the three previous teams to win two or fewer of their opening 27 games in the top-light have avoided relegation (West Brom in 2004-05) and only two of the last 11 sides to win three or fewer have ultimately survived.
QPR have scored only four goals in their last 10 Premier League games.
Saints have thrown away 27 points from leading positions this season, more than any other side.
Rickie Lambert is the top scoring Englishman in the Premier League this season with 12 goals.
Only Arsenal players (Y25 R3) have been shown fewer yellow cards than Saints' players this season (Y30).
Three of Rickie Lambert's four assists this season have been for Morgan Schneiderlin to score.
QPR have fallen behind in 10 games away from this season, losing eight and winning none.
Stoke City v West Ham United
Premier League games between Stoke and West Ham have averaged only 2.1 goals per game.
Jussi Jääskeläinen has made more saves in the Premier League than any other goalkeeper this season (109).
West Ham have scored with each of their last nine Premier League penalties.
The Hammers have allowed more opposition shots on target from outside the box than any other PL team this season.
Just one of Stoke's 26 league goals this season have been scored from outside the area; a low for the Premier League.
West Ham have won only one of their last nine Premier League games in March.
Stoke have fired in fewer shots (203; excl. blocked) than any other side in the Premier League.
Kevin Nolan has scored four winning goals for West Ham in the Premier League this season. Only Gareth Bale (6) and Robin van Persie (5) have netted more.
Sam Allardyce's team have lost their last five Premier League matches on the road. The club haven't lost six in a row since December 2006.
West Ham have won two and lost eight of their 13 matches against team in the top half this season.
Sunderland v Fulham
Sunderland have won only one of their last seven Barclays Premier League games against Fulham but that came earlier this season at Craven Cottage (3-1).
The Black Cats have failed to score in six of their last nine Premier League games against Fulham.
Sunderland have scored just two headed goals this season; fewer than any other side in the top flight.
Fulham are yet to lose this season in the Premier League when Dimitar Berbatov has scored (W4 D3).
The Stadium of Light has seen just 27 Premier League goals scored at it this season; fewer than any other ground.
Sunderland have lost their last three games in a row, they have not lost four in a row since April 2011.
Of the players to score 10+ goals in the Premier League, Steven Fletcher has the joint-best shooting accuracy (62.5%).
Stephane Sessegnon have been fouled 71 times; more than any other player in the top flight.
46% of Fulham's goals this season (17 of 37) have been scored in the final 30 minutes of matches.
Steve Sidwell has made 92 tackles this season. Only Mark Noble (95) and Morgan Schneiderlein (105) have made more.
Swansea City v Newcastle United
Swansea won three of their four Premier League games in March last season and boast the best winning record in March of any Premier League side (75%).
The Swans have lost just two points from leading positions this season, the best record in the top division.
The last two teams to win the League Cup (Liverpool and Birmingham) lost their first league games after lifting the trophy.
Newcastle have conceded exactly two goals in each of their last three games but have won two of those matches.
The Magpies have taken nine points from their last four matches after taking only seven from the previous 13.
Moussa Sissoko has scored three goals in four Premier League appearances.
The Swans have won none of the 14 games they have fallen behind in this season. However, they have managed to avoid defeat in six.
No team have used more players in the Premier League this season than Newcastle United (29).
Only Arsenal (7 games) and Swansea (5) have gone on to win all of the matches they have been leading in at half-time.
The Swans have made more clearances off the line than any other side (9).
Wigan Athletic v Liverpool
Wigan have lost only one of their last six Barclays Premier League games against Liverpool after losing seven of the opening nine against them.
Six of the seven Premier League games between Wigan and Liverpool at the DW Stadium have gone under 2.5 goals.
Wigan have conceded in all of their 13 home games in the Premier League this season.
Liverpool have drawn their last two away games in the Premier League. No side has drawn more games on the road this season than Liverpool (6).
Luis Suarez is one of just three players from Europe's top five leagues to fire in more than 100 shots (excluding blocked) so far this season (along with Messi and Ronaldo).
Wigan have lost 10 of their 14 matches against teams currently in the top half of the Premier League this season (W1 D3).
Only Ali Al-Habsi (6) has made more errors leading to goals this season than Jose Reina (4).
Liverpool (13), Wigan and Tottenham (11 each) have scored more goals in the 15 minutes immediately after half-time than any other team in the Premier League this season.
Just one of Wigan's goals this season has been scored by an English player (Ben Watson).
Liverpool have benefitted from four own goals this season; more than any other side.
Tottenham Hotspur v Arsenal
Tottenham have lost only one of their last seven Barclays Premier League home games against rivals Arsenal.
Spurs have thrown away leads in their last two Premier League games against Arsenal and have lost both matches 5-2.
12 of the last 13 league matches between Tottenham and Arsenal have gone over 2.5 goals.
There have been 121 goals between these sides in Premier League history, only Everton v Man Utd games have seen as many.
Gareth Bale has scored more away goals than any other player in the Premier League this season (11).
Bale is only the eighth different Tottenham player to score 15+ goals in a Premier League season.
Lionel Messi and Gareth Bale are the only players from Europe's big five leagues to score six league goals from outside the box this season.
Tottenham have scored 11 goals from outside the area, more than any other Premier League side this season.
Both these sides have scored five league goals from counter-attacks this season, no Premier League side has more in 2012-13.
Olivier Giroud has had more headed attempts than any other player in the top-flight this season (26).
No ground has featured fewer first half goals this season (10) than White Hart Lane.
Aston Villa v Manchester City
Man City have scored four or more goals in three of their last five league games against Aston Villa.
Villa have averaged only 0.84 pts per game against Man City in the Barclays Premier League era, only against Man Utd (0.46) and Arsenal (0.83) have they averaged fewer.
Only Reading (14) have scored more goals in the final 15 minutes of league matches this season than Manchester City (13).
No side has conceded more goals in the final half an hour of games this season than Aston Villa (25).
The Villans haven't kept a clean sheet in 11 league games; the longest current such run in the Premier League.
No-one has scored more Premier League goals in 2013 than Christian Benteke (6).
Aston Villa have claimed a league-low two points from losing positions this season, losing 13 of the 15 games they have fallen behind in.
Paul Lambert's side are the only team to throw away two goal leads on three separate occasions this season (D2 L1).
Manchester City have won 69% of games with Matija Nastasic this season (11 of 16) and just 45% of those that he has missed (5 of 11).
Aston Villa have lost more league games in March (35) than any other side in Premier League history.
