Brisbane's premiership defence hangs by a thread after they were handed a sixth-straight NRL defeat in a 48-6 thrashing at the hands of South Sydney.
Five-eighth Cody Walker was the mastermind behind the Bunnies' victory on Thursday night as Wayne Bennett's side (7-6) strengthened their bid for a top-eight spot.
Walker had four try-assists and Alex Johnston grabbed a quartet of tries as Souths snapped a three-game winless run.
