The Penrith Panthers are set to face the Cronulla Sharks at Allegiant Stadium in Las Vegas for the NRL season opener in a week.

According to Peter Lang on X (formerly Twitter), star winger Brian To'o has sustained a hamstring strain and is unlikely to play in Round 1.

The Panthers have not confirmed the injury, but if the reports are accurate, To'o could be sidelined for at least two weeks.

If To'o is ruled out, Penrith may turn to reserve wingers Casey McLean or Jesse McLean. Another option could be shifting backup fullback Daine Laurie onto the wing.

To'o's potential absence adds to the Panthers' injury concerns, though Nathan Cleary and Dylan Edwards have been cleared to play.

The Panthers will kick off their 2025 NRL campaign against the Sharks in Las Vegas on Sunday, March 2, at 3:30 PM (AEST).