Penrith have allayed concerns about their form with a hard-fought 16-10 defeat of fast-finishing South Sydney but may have cause for concern after Nathan Cleary tweaked his ankle and limped through the second half.
The NRL is also set to investigate claims star Souths fullback Latrell Mitchell was the victim of racial abuse from the crowd at the Penrith home game as he left the field for half-time.
