Play-offs, home draws, European qualifying and local bragging rights are at stake on the last day of the Pro14's regular season.
Leinster's Noel Reid, Newcastle's Calum Green and Munster's Jaco Taute are all to join Leicester Tigers this summer.
Reigning European and Pro14 champions Leinster have won eight titles over the past 10 years but how much can you remember of their decade of domination?
Team news as Leinster host Toulouse in Sunday's Champions Cup semi-final at the Aviva Stadium (15:15 BST).
Audio & Video
Leinster assistant coach John Fogarty and scrum-half Luke McGrath say they both "felt for" Ulster wing Jacob Stockdale after Saturday's European quarter-final.
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