Dylan Edwards charged over for the match-clinching third Penrith Panthers try as they reached the October 25 NRL showpiece.
After missing out on a place in the Grand Final in 2019, Melbourne Storm secured a return to the showpiece by beating Canberra Raiders.
Tommy Makinson scored three tries before half-time as St Helens dominated Wakefield Trinity in Super League.
Mal Meninga is "really excited" about being given the chance to work as Wayne Bennett's assistant for Queensland against New South Wales.
Following two inconclusive test results each for Hull KR and Salford Red Devils, their game on Tuesday was delayed by an hour.
A sensational second half saw South Sydney Rabbitohs fight back to beat Parramatta Eels and secure a meeting with Penrith Panthers.
The NRL announced Michael Jennings returned a positive A-sample for banned substances Ligandrol and Ibutamoren.
Wigan Warriors and St Helens were Super League winners at Headingley, while Catalans Dragons were also victorious on Friday.