The Ireland international suffered an ankle injury on Friday night
Mack Hansen has been ruled out of Connacht's Champions Cup tie away to Saracens.
The Ireland international suffered an ankle injury in the record 41-5 loss at home to Bordeaux on Friday night.
The full extent of the injury has yet to be established but assistant coach Colm Tucker confirmed that Hansen is out of Saturday’s game in north London.
Full-back Tiernan O’Halloran and lock Oisin Dowling remain out through injury but top try scorer Diarmuid Kilgallen is available.

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