Ulster confirmed their place in next season's Champions Cup with a 35-17 victory over Ospreys at the Kingspan Stadium.
Pat Lambie is almost certain to miss the Springboks' Tests against England after sustaining what is believed to be an anterior cruciate ligament injury in the European Rugby Champions Cup final.
Rugby union displayed its best side in Bilbao over the weekend, as a 61-point thriller of a Challenge Cup final was followed by a tense, nerve-shredding Champions Cup showpiece.
Leinster head coach Leo Cullen admitted the final 20 minutes of his side's Champions Cup final victory were "torturous" as he praised his players' resilience.
Racing 92 fly-half Dan Carter has been ruled out of the Champions Cup final with a hamstring injury.
Racing 92 fly-half Remi Tales missed a late drop-goal as Leinster clung on to claim a 15-12 victory in the Champions Cup final in Bilbao.