The former Kiwis captain left the field with a broken hand as the Sea Eagles hammered the Broncos.
The off-season signing will make his second appearance for the club, after suffering an ankle injury on debut.
"To say that's it's been decided and done is incorrect."
The Sharks halfback has played three matches since returning from a snapped Achilles tendon.
Brad Fittler and Andrew Johns want to see the 2022 version played in Aotearoa.
The 25-year-old insists his preference is to stay with the NZ NRL side.
Rookie prodigy Reece Walsh will again come off the bench for Sunday's 'Magic Round' showdown with Parramatta.
The forwards have gone uncharged at the NRL judiciary for their discretions against the Sea Eagles.
The Warriors captain is now one point behind the overall leader in the medal race.