-A win on Saturday will give Rafa Benitez his 100th league win as Liverpool manager in his 181st game. Only Kenny Dalglish (167) and Bob Paisley (179) would have done it quicker. By comparison it took Alex Ferguson 231 games to achieve the feat.
-If Pepe Reina keeps a clean sheet in one of his next four games he will become the quickest in the club's history to keep 100 clean sheets for the club. The present holder is Ray Clemence who kept 100 in his forest 200 games - Pepe has 99 in 195.
-Earlier this season Liverpool recorded their first league win over United since April 2004 by winning 2-1 at Anfield.
-Carlos Tevez gave United a 3rd minute lead before Wes Brown put through his own net on 26 minutes. Substitute Ryan Babel hit the winner with 13 minutes remaining. Steven Gerrard and Fernando Torres were both on the substitutes bench with the Liverpool captain appearing for the final 23 minutes.
-The victory was Rafa's first over United in nine league attempts. It was also Liverpool's 50th over United in league history.
-Last season at Old Trafford United won 3-0. After Wes Brown opened the scoring Javier Mascherano was controversially sent off a minute from half time. Cristiano Ronaldo and Nani sealed the points in the last 11 minutes.
-There has been only one goalless draw between the sides in the Premiership. That came at Anfield in September 2005.
-Liverpool have won eight of the 33 Premiership meetings with United winning 18.
-Albert Riera made his Liverpool debut in the earlier meeting this season. His debut in English football in January 2006 also came against United for Manchester City in a 3-1 win.
-Peter Beardsley for Liverpool in September 1990 and Stan Pearson for United in September 1946 have scored the last hat-tricks for each club in the fixture.
-The last Liverpool player to score a hat-trick at Old Trafford was Fred Howe in November 1936.
-Liverpool's biggest win at Old Trafford came in November 1936 when they beat United 5-2.
-Liverpool have not scored more than one goal in a League game at Old Trafford in their last 12 visits scoring only six goals in that time.
-The Reds have won three times in the last eight visits to Old Trafford but have lost each of the last four. Those victories are their only successes at United in the last 17 visits.
-The Reds have lost the last four at Old Trafford scoring one (a John O'Shea own goal) while conceding eight.
-They have won just 14 times on this ground in the league in 113 years.
-Their last victory here came in April 2004 when Danny Murphy, for the third time in his Reds career, scored the only goal of the game at Old Trafford. Of the squad that day only Carragher, Hyypia and Gerrard remain at Anfield.
-Murphy is the only Liverpool player to have scored in this fixture in the last eight visits since Patrik Berger scored in a 1-1 draw in March 2000.
-Liverpool have not won by more that one goal at Old Trafford since December 1978 when they won 3-0 thanks to goals from Ray Kennedy, Jimmy Case and David Fairclough.
-Sami Hyypia scored his first Liverpool goal against United at Anfield in 1999.
-The last Liverpool player sent off in this fixture was Sami Hyypia in April 2003.
-Steven Gerrard's only league goal against United was a screamer at Anfield in a 2-0 win in March 2001.
-Liverpool are looking for their first double over United since 2001-02 and their third in the Premiership. If they win they will join Arsenal as the only team to have beaten United home and away in the same season three times in the Premier League.
-Alex Ferguson takes charge of United against Liverpool for the 53rd time as United manager.
-This will be United's 50th game of the season.
-Should United win it will be the first time in their history they have won five in succession against Liverpool at home in the league.
-United have lost just two of the last 13 league games against Liverpool.
-Only Newcastle (1-1) on the opening weekend of the season have prevented United from winning at home in the league this season. Since then they have won 12 in a row scoring 29 with only four goals conceded in that time.
-They have only been behind for two minutes at home in the Premiership this season, when Newcastle took the lead in that first game.
-Of the five goals they have conceded at home in the league during this campaign three came in one game – against Hull.
-Since returning from the World Club Championship in December they have won 11 league games in a row.
-Like Liverpool, United have lost only twice in the league this season with the men from Old Trafford losing at Liverpool and Arsenal - both by a 2-1 scoreline.
-They have won 17 and drawn one of their last 18 games at Old Trafford in the league.
-Of the last 39 Premier League games they have played home and away they have lost only three – once each to the other members of the ‘big four'.
-Dimitar Berbatov played his first game for United at Anfield back in September.
-United had Nemanja Vidic sent off in their 2-1 defeat at Anfield in the reverse fixture.
-Edwin Van der Sar has kept 18 league clean sheets this season and is four ahead of both Pepe Reina and Petr Cech in the race for the Golden Glove.
-Ryan Giggs this season scored for the 19th campaign in succession.
-Carlos Tevez has scored in United's last two visits to Anfield.
-Only one Englishman has scored a goal against Manchester United in the Premier League this season and he is a United player - Wes Brown who put through his own net at Anfield earlier in the campaign.
-Current League standings: Liverpool: Pld 28 Won 16 Drawn 10 Lost 2 Goals For 45 Against 20 Points 58 -Position: 3rd Man United: Pld 27 Won 20 Drawn 5 Lost 2 Goals For 48 Against 12 Points 65 Position: 1st
-Leading scorers this season: (League in brackets) Liverpool: Gerrard 17 (9), Torres 10 (8), Kuyt 9 (7), Keane 7 (5), Benayoun 4 (3), Riera 4 (2), Alonso 3 (3), Babel 3 (2), Hyypia 2 (1), Ngog 2 (1), Agger 1 (0), Arbeloa 1 (1), Aurelio 1 (1), Carragher 1 (1), Dosena 1 (0), Lucas 1 (0), Plessis 1 (0), own goals 1 (1).
-United: Ronaldo 17 (12), Rooney 16 (9), Berbatov 13 (8), Tevez 12 (3), Vidic 7 (4), Nani 6 (1), Fletcher 4 (3), Giggs 3 (1), Welbeck 3 (1), Carrick 2 (2), Gibson 2 (0), Park 2 (1), Scholes 2 (1), Brown 1 (1), Rafael 1 (1), O'Shea 1 (0).
