Sydney: Newcastle Knights outlasted the Wests Tigers for their first win of Australia's National Rugby League season on Sunday.
It was former St Helens and Huddersfield coach Nathan Brown's first win as Newcastle coach as the Knights hung on for a 18-16 victory at home.
It was the Tigers' fourth straight loss and cranked up the pressure on their coach Jason Taylor.
Cronulla Sharks survived a Gold Coast Titans comeback to win 23-18 to move into the NRL top four in Sunday's other game.
Wayne Bennett's Brisbane Broncos are the outright competition leaders after six rounds following their 26-0 shut-out of St George Illawarra Dragons at home.
It was the second straight week that the Dragons have been held scoreless and the joint-venture side has now gone 163 minutes without registering a point.
Fullback Lachlan Coote potted a 74th minute drop goal as North Queensland downed Penrith Panthers 23-18 to be one of four teams in second spot.
It is the first time the defending champion Cowboys have put together back-to-back wins this year.
Parramatta's resurgence continued with a 36-6 thrashing of the Canberra Raiders, with big off-season recruit Michael Jennings scoring two tries.
Hit man Dylan Napa inspired the Sydney Roosters to their first win of the season with a 17-10 victory over South Sydney.
Napa pulled off a series of huge hits, including a fearsome collision with Rabbitohs English star Sam Burgess, and scored a try for the Roosters.
Melbourne Storm complete the sixth round with a home game against the Canterbury Bulldogs on Monday.