Northampton registered nine tries as they thrashed Bayonne 61-14 to reach the Investec Champions Cup knockout stages.
A look back at the highlights and lowlights from an action-packed, breathless year for Irish sport.
Clinical Ulster secured a big victory against Racing 92 in the Champions Cup while Bath edged out Cardiff and holders La Rochelle lost again.
Tommy Freeman scored two tries as Northampton opened their Champions Cup campaign with a three-try 28-19 victory away to Glasgow.
An Ireland all-time great has stepped away from the stage in Johnny Sexton. One of the big questions in rugby is, who does Andy Farrell turn to next?
Johnny Sexton, Garry Ringrose and Tadhg Furlong have each proved their fitness to start in Ireland's Six Nations clash vs Scotland.
Andy Farrell has made six changes to the Ireland Six Nations side to face Italy in Rome on Saturday, with half-backs Ross Byrne and Craig Casey in.
Ireland have suffered a further injury blow ahead of hosting France in the Six Nations, with Dan Sheehan ruled out due to a hamstring injury.