The Jersey Flegg Knights have gone down to first placed Cronulla, with the Sharks cementing their claims for the minor premiership with a 12-0 win at McDonald Jones Stadium.
The Knights went into the game minus fullback Starford Toa, who earned himself a call up to the Canterbury Cup side.
The match shaped as a top of the table encounter, with both sides entrenched in the top four going into the game.
With the heavens opening well before kick-off and the rain continuing to tumble throughout the first half, it was the Sharks who had the better of the early exchanges.
Their early dominance was rewarded in the 23rd minute, when Tom Caughlan hit a hole on the right edge to storm over off a classy pass from halfback Angus Ernst.
Kai Broadhurst added the extras to give the Sharks a 6-0 advantage.
Things were made worse for the Knights when fill-in fullback Grant Anderson was forced from the field just before halftime with a concussion.
The game continued to play out as an arm wrestle, with the no additions being made to the score, leaving the Sharks with a 6-0 advantage at the change of ends.
Both sides started the second stanza in good touch, each taking turns attacking the opposition line. However, the poor conditions continued to play their part, with scoring opportunities low.
The Sharks were the side to find the breakthrough, with front rower Fine Kula crashing over next to the posts, with the ensuing conversion giving the Sharks a match winning 12-0 lead.
The Knights fought hard throughout the second half, however the Sharks showed why they're fancied for the minor premiership by grinding out the tough win.