NRL updates: Newcastle Knights smash Penrith Panthers, Sydney Roosters shock Cronulla-Sutherland Sharks

The under-manned Roosters have humbled the full-strength Sharks in Gosford with a stunning 42-16 victory.

Debutant Xavier Va’a scored with only his second touch in first grade, with Victor Radley providing the assist while running for 185 metres on his 150th NRL appearance for the Roosters.

Daniel…