Leinster's future is uncertain after years of stability

While it hasn't been the only reason for Leinster's dominance in Ireland during Leo Cullen's time in charge, the last seven years have been built on stability behind the scenes.

The changes at the province since Cullen took charge in 2015 have been incremental; Stuart Lancaster's arrival in 2016, Felipe Contepomi coming on board in 2018 after Girvan Dempsey's departure, and John Fogarty's promotion to the national team seeing Robin McBryde join in 2019.

During his seven-year tenure, he's seen multiple head coaches and directors of rugby come and go across the other three provinces. At Munster it was Rassie Erasmus and Jacques Nienaber, followed by Johann van Graan and Stephen Larkham, with the high-profile departure of Jerry Flannery and Felix Jones in between.

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Bernard Jackman and Fiona Coghlan said Lancaster has made a huge impact at Leinster but will be disappointed if he departs with only one Champions Cup success

Pat Lam's Connacht toppled Leinster during Cullen's first season in charge, before they went backwards under Kieran Keane, and the recent coaching restructure indicates they're already thinking about how to transition long-term when current director of rugby Andy Friend moves on.

Ulster's re-emergence has coincided with some stability of their own under Dan McFarland, but the two years prior to his arrival saw them sink to arguably their lowest ever point, with Les Kiss, Neil Doak and Jono Gibbes presiding over a disastrous few seasons.

All the while, Leinster