Sione Mata'utia has suffered a fractured eye socket.
The nib Newcastle Knights centre went down in the second half of Friday's win over Parramatta after copping a whack while attempting to make a tackle.
He will be sidelined for 2-3 weeks but won't require surgery.
Injured players and expected return dates:
Tautau Moga (ACL, Season)
Slade Griffin (Knee, Season)
Jacob Saifiti (Shoulder, Round 24)
Sione Mata'utia (Fractured eye socket, Round 21-22)
Kalyn Ponga (Hamstring, Round 19-20)