Michael Milne had been out with a calf injury.
Birr's Michael Milne has returned to full training with Leinster.
The prop has spent a couple of months on the sideline with a calf injury.
The 22-year-old is yet to make an appearance this season but will be available to Leo Cullen for the conclusion of the United Rugby Championship and Champions Cup.
In addition, all of Andrew Porter, Rónan Kelleher and Jordan Larmour have all recovered from their respective injuries and will train as normal this week.
Porter and Kelleher have been absent since picking up knocks during the Six Nations while Larmour suffered a hip injury in the win over Benetton Rugby at the beginning of March.
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