A total of 46 of the 84 back-to-back Heineken Cup Rounds 3 and 4 combinations since the current format was introduced in the 1999 / 2000 tournament have ended in double joy for one of the teams...
The 22 teams to have done the mid-tournament "double" in the last seven seasons are:
5 - Llanelli Scarlets
4 - Leinster, Munster, Leicester Tigers, Toulouse
3 - Cardiff Blues, Northampton Saints, Biarritz Olympique
2 - Bath Rugby, Stade Français Paris
1 - Ospreys, Swansea, Edinburgh, Gloucester Rugby, London Wasps, Sale Sharks, Pau, Saracens, Newcastle Falcons, Castres Olympique, Perpignan, ASM Clermont Auvergne