Premiership leaders Northampton Saints began their Heineken cup campaign on Sunday with a stunning comeback against Glasgow Warriors at a near full Franklins Gardens.
After this weekend there is a strong 14 points that separates Leinster at the top of the leader board from Welsh side Ospreys who narrowly beat Edinburgh this weekend.
During a busy Six Nations, the Celtic and Italian sides are in action this weekend, with squads being stretched due to the unavailablity of international stars.