Two tries from rookie halfback Daly Cherry-Evans ensured Manly a resounding 34-10 victory over Brisbane.
William Hopoate burst over for the Sea Eagles but a try from Ben Te’o and a penalty from Corey Parker saw the Broncos 10-4 in front at the interval.
Canterbury put a poor Gold Coast Titans outfit to the sword 28-6.
The Bulldogs surged their way into a 16-0 lead at half time courtesy of a brace of tries from Frank Pritchard.
Newcastle withstood a fightback from Newcastle to prevail 8-6 in a low-scoring encounter.
Wes Naiqama’s score midway through the first period was all that separated the teams at half time with the Knights leading 6-0.
North Queensland continued their excellent run of form with a 20-6 victory over Sydney.
Glenn Hall’s try helped the Cowboys into an 8-0 lead at the break.
A polished performance from Melbourne helped them overcome Cronulla 14-8 at AAMI Park.
Neither team were able to register points during an error-strewn first half.
St George survived a fightback from Wests Tigers to record their tenth victory of the season 24-18.
Penrith downed South Sydney 22-10 in appalling conditions at Centrebet Stadium.
Issac Luke snuck his way over to give the Rabbitohs hope but Lachlan Coote extinguished those hopes with a fortuitous late try.