Uninspiring Warriors come close but suffer narrow loss to the Broncos at Mt Smart Stadium.
The Roosters racked up their third win from four games against Canberra on Sunday.
Club locked in negotiations to keep powerful winger when his contract runs out at end of the NRL season.
Warriors chairman threatens to take NRL games out of Auckland and hold matches elsewhere in the country if the club is forced out of its Mt Smart Stadium.
St George Illawarra added to Manly's early-season woes with a 12-4 win over the struggling Sea Eagles in Wollongong.