The result looked never in doubt from the first minute, when Josh Morris scored the game’s first try after only 45 second.
The Roosters replied with two tries from Tautau Moga and Anthony Minichiello to reduce their deficit to two points (Braith Anasta missed his first conversion attempt) but the Bulldogs got a roll on in the second half from which the away side couldn’t respond.
The Tigers never looked like winning as the Storm’s Sika Manu opened the scoring with the first of his two tries on the 15 minute mark.
Ben Te’o put Brisbane into the lead before the Panthers levelled the scores up again through Lachlan Coote.
However the Broncos made sure the game was won in the final minutes, as firstly Alex Glenn collected an offload from Corey Norman to score a vital try, before Wallace landed a drop goal two minutes from time to complete a seven point win.
Sam and Luke Burgess were part of the Souths side that beat Newcastle 18-6 at Hunter Stadium.
However as the game entered its final quarter, John Sutton wrapped the match up with a try that put Souths out of reach of the Knights.
Jack Reed’s Brisbane finished just inside the play off places in eighth position.
The NRL scrapped the McIntyre Eight finals system earlier this season and have adopted the system currently used by the AFL. This is a similar version to the current Super League play off system, where the top four and bottom four are split into two brackets for the first round.
The only difference is the NRL do not have Club Call, and instead teams follow a pre-determined pathway that does not guarantee a repeat fixture until at least the Grand Final.
NRL playoff fixtures week one:
Canterbury Bulldogs (1) v Manly Sea Eagles (4) on Friday, September 7
Melbourne Storm (2) v South Sydney Rabbitohs (3) on Saturday, September 8
North Queensland Cowboys (5) v Brisbane Broncos (8) on Saturday, September 8
Canberra Raiders (6) v Cronulla Sharks (7) on Sunday, September 9