Leinster back-row Sean O'Brien has not been ruled out of Saturdays must win game with Bath.
The Ireland international was taken off with a head injury in Sunday's 33-6 defeat to Wasps.
Leinster will be in vital need of a win after that resounding loss to Bath's fellow Aviva Premiership members.
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Meanwhile Isa Nacewa, Luke Fitzgerald and Rob Kearney, who all missed out last weekend are in contention to play at The Recreation Ground.