Luke Dorn ran in two second-half tries as Castleford Tigers held off the challenge of Widnes Vikings with a 34-22 win to stay in touch with the Super League front-runners on Sunday.
The Tigers recorded an impressive victory over Wakefield Wildcats last weekend and they backed it up with another success despite a battling Widnes fightback.
Kiwi winger Jake Webster, who joined the Tigers from Hull KR last year, helped get the ball rolling for the hosts, crossing over in the first half as Castleford opened up a lead.
Former Manly-Warringah star Dorn, who is enjoying a fruitful first season at The Jungle so far, then touched down twice to put his side firmly in control.
The 31-year-old now has five Super League tries, while countryman Justin Carney leads the Castleford tally on 12.
Australian full-back Cameron Phelps scored for the Vikings as they sought to produce a late fightback, but it was not enough as Castleford closed out the points.
Also on Sunday, Hull KR ensured London Broncos' miserable season continued, running in nine tries to clinch a convincing 48-16 win.
Former Newcastle Knights forward Neville Costigan was among the try scorers for the hosts, while Australian winger Denny Solomona grabbed one of the Broncos' three tries.
And Travis Burns - in his second season with Hull KR since joining from Penrith Panthers - kicked six goals to ensure the visitors' wait for a first Super League point of the season goes on.
Elsewhere on Sunday, Warrington Wolves followed their win against St Helens with a 36-4 victory at struggling Wakefield Wildcats.
The Wolves have now won three in a row after Ben Currie's double led them to a seven-try romp to stay inside the top half of the table ahead of Catalan Dragons.
Joel Moon scored his fourth try of the Super League season to help Leeds Rhinos hold onto their place at the top of the table.
The Rhinos hosted Hull FC on Friday and ran out 20-6 winners, as former NZ Warriors wing Moon opened the scoring before Brad Singleton and Robbie Ward followed suit.
The result ensured Leeds stay one point ahead of St Helens, who ran in seven tries against Huddersfield Giants.
Gary Wheeler scored twice for the hosts and there were also tries for former New Zealand man Lance Hohaia and Kiwi-born forward Mose Masoe.
Huddersfield ran in four tries of their own but they were always second best at Langtree Park, eventually losing 41-22.
Bradford Bulls' poor run continued on Saturday as they were brushed aside by a rampant Catalan Dragons outfit.
Former NRL trio Michael Oldfield, Daryl Millard and Zeb Taia each crossed over for the Dragons, while Morgan Escare grabbed two to take his Super League tally to 13 this year.
They racked up eight tries in total - to the Bulls' one - on the way to a convincing 46-4 win that moved them within touching distance of the top half and ensured Bradford remain on zero points.
And despite the absence of injured Australian duo Matty Bowen and Blake Green, Wigan Warriors collected their third league win on the bounce with a 25-4 triumph at Salford Red Devils.
The Warriors are two points ahead of Castleford in third, with just St Helens and Leeds ahead.