Diarmuid Barron, Brian Gleeson and Calvin Nash have all been cleared to play for Munster this weekend.
They face Benetton in the URC on Saturday evening.
Oli Jager, Conor Bartley and Jean Kleyn have also returned to training ahead of that tie.
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Ed Byrne has returned to Leinster on a short term deal rom Cardiff.
The loan move will ease some of the injury worries for the province, with Andrew Porter and Alex Usanov both doubts heading into a crucial stage of the season.
Earlier today it was announced Tommy O'Brien and Brian Deeny have extended their deals with Leinster.
