Despite a late surge from the Roosters, the Warriors have held firm to clinch a crucial victory in a low-scoring affair at Mt Smart Stadium on Sunday night.
The St George Illawarra Dragons have beaten the Melbourne Storm and knocked them off the top of the NRL Telstra Premiership ladder.
John Sutton's return wasn't enough to inspire the Rabbitohs to victory against Parramatta on Friday night, with the Eels prevailing 30-12 at ANZ Stadium.
Two teams who let two competition points slip through their fingers last week meet on a mid-winter Monday night desperate to keep their finals flame flickering.
The mid-season revival in Auckland is well and truly gaining velocity, and the Warriors take on a Roosters side down on luck and form.
No Cronk and no Smith is a huge factor for the Storm while the Dragons will be desperate after blowing last week's chance of consolidating a top eight spot.
Can South Sydney's leaky defence hold firm against a Parramatta side they defeated by two earlier this season?
A thrilling length of the field Valentine Holmes intercept try and a late James Maloney field goal has helped Cronulla to a dramatic win over the Cowboys.
The Bulldogs have cemented a place in the top eight after an entertaining victory over the Dragons at ANZ Stadium on Monday afternoon.
The Panthers surged back from 24-4 down to stun the Sea Eagles 31-24 at Brookvale Oval on Sunday afternoon.