Scrum-half suffered a hamstring injury in training.
Jamison Gibson Park could be a doubt for the Irish Rugby team's November Test series.
Leinster have confirmed the scrum-half suffered a hamstring injury in training last week, ruling him out of Saturday’s URC game against the Sharks at the RDS.
The New Zealand native has yet to play for the Province this season.
Caelan Doris, Ronan Kelleher and Dave Kearney will all be assessed ahead the game.
James Ryan and Will Connors are both in contention for a return having shaken off respective hamstring and back injuries.
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