Here are some facts for the Tetley's Bitter Cup.
:: The clubs have met on one previous cup occasion, Harlequins winning a fifth round tie 44-22 in 1996.
:: Jason Leonard is the only current Quins player to have featured for them in previous finals (1991 and 1993).
:: Leonard’s Quins team-mates Will Greenwood (Leicester, 1997) and Brendon Daniel (Saracens, 1998) have tasted cup final success with other clubs.
:: Quins’ 15-12 defeat against Bath nine years ago was the last cup final that went to extra-time.
:: Quins have lost seven cup semi-finals more than any other club.
:: Three players have been sent off in English cup finals Nigel Horton (Moseley, 1972), Bob Mordell (Rosslyn Park, 1976) and John Gadd (Gloucester, 1990).
:: Newcastle fly-half Jonny Wilkinson is the youngest player to score points in a cup final, amassing 14 against Wasps two years ago, 10 days before his 20th birthday.
:: Wilkinson’s injury-time penalty gave Newcastle a 20-18 league victory over Quins last September.
:: Newcastle flanker Richard Arnold was sin-binned in Falcons’ quarter-final victory over London Irish and semi-final win against Sale.
:: Quins and Newcastle are due to meet on two further occasions this season Premiership (March 6) and European Shield semi-final (April 22).
HARLEQUINS
Coaches: Mark Evans and Richard Hill.
Captain: David Wilson.
Cup best: Winners 1988 and 1991.
This season: Fourth round beat Plymouth (a) 36-8, fifth round beat Manchester (h) 38-8, quarter-finals beat Northampton (h) 11-6, semi-finals beat Leicester (h) 22-18.
Total points scored: 107.
Total points conceded: 40.
Total tries scored: 15.
Top points: 40 Niall Woods.
Top tries: 3 Jamie Williams, 2 Nick Greenstock.
Player to watch: Will Greenwood.
NEWCASTLE
Director of rugby: Rob Andrew.
Captain: Doddie Weir.
Cup best: Runners-up 1999.
This season: fourth round beat Rosslyn Park (a) 25-13, fifth round beat Bristol (h) 32-16, quarter-finals beat London Irish (h) 33-20, semi-finals beat Sale (h) 37-25.
Total points scored: 127.
Total points conceded: 74.
Total tries scored: 12.
Top points: 67 Jonny Wilkinson.
Top tries: 2 Tom May.
Player to watch: Jonny Wilkinson.