Anthony Foley, Marcus Horan and Anthony Horgan have all been named in Munster's squad ahead of this weekend's crucial Heineken Cup clash with Castres in France.
The three missed last week's Celtic League game against Edinburgh in Murrayfield.
John Hayes, Jerry Flannery and John Kelly all left the field during that game - but have been given a clean bill of health ahead of the crunch European Cup tie.
All three took a limited part in training in Cork this morning and their fitness will be assessed again before Declan Kidney finalises his Munster team once they land in France on Thursday.
