The Sydney Roosters squad has been assessed by Club medical staff following Saturday's Round 15 match against the Parramatta Eels.
Nat Butcher was taken from the field in the 15th minute of the match for a Head Injury Assessment (HIA) and was unable to return to the field.
Egan Butcher was taken from the field in the 54th minute of the match for a Head Injury Assessment (HIA) and was also unable to return to the field.
Both Nat and Egan have commenced the NRL's necessary HIA protocols.
Meanwhile, Luke Keary will return to full training heading into the international break.
There were no other injury concerns for the players that featured in the match.