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BIG-MATCH FACTS
The tie in context
• This is one of five Championship against League One ties in the third round.
Gulf in class
• Norwich stand 40 places higher than Leyton Orient on the league ladder.
Head-to-head
• Norwich have won 28, and failed to win 29 of their 57 competitive meetings.
• The Canaries need to score twice to total 100 goals against their London based opponents.
• Orient won the last time these two met in League One in the season before last; 2-1 at Brisbane Road.
• Their last clash at Carrow Road in September 2009 was 4-0 victory for Norwich.
FA Cup records and best performances
• This is the third time these clubs have been drawn to meet in the competition.
• Each club has won one of the previous two, which were both in the third round.
• The O's were victorious in their most recent FA Cup clash; prevailing 1-0 at Carrow Road in a replay in January 1978.
The clubs
NORWICH CITY
Current form
• Won three and drawn one of their last four Championship games, since their only defeat in 11.
• Failed to score in one of their last 14.
• Kept one clean sheet in 12.
FA Cup form
• Only progressed to the fourth round in one of the last seven seasons.
• Won one of their last seven FA Cup matches.
• Last knocked out by a club in a division lower than themselves in 2008/09, when League Two Bury beat them following a third round replay.
LEYTON ORIENT
Current form
• Started 2011 with a 5-0 away defeat to Brighton, then beat Colchester 4-2 at home on Monday.
• Avoided defeat in nine of their last 10.
FA Cup form
• Beat Droylsden 8-2 in their second round replay.
• Scored 13 goals in the competition so far this season, with Scott McGleish getting six of them.
Replay date
Tuesday, 18 January 2011 (Kick off: 1945 GMT)
Match officials
Referee: Dean Whitestone (Northamptonshire)
Assistant referees: Mike Blackledge and Ian Rathlone
Fourth official: Stephen Ross
Source: BBC Sport
Source: BBC Sport