The Rabbitohs have asserted their dominance against a decimated Roosters outfit who have lost James Tedesco, Angus Crichton and Daniel Tupou.
Alex Johnston scored his second try to take an 24-14 lead, and in the process became the first player ever to record back-to-back 30 try seasons.
The chaos then continued with both Tevita Tatola and Victor Radley being sent to the sin bin for their roles in another scuffle.