Star South Sydney five-eighth Cody Walker suffered a fresh injury blow in the Rabbitohs' heavy defeat to the Raiders on Sunday, hurting his groin in his return from a five-game stint on the sidelines.

The Raiders finish the season with a 17-10 record.

Josh Papalii scored a fairytale double as he became the most-capped player in Canberra history and lifted the Raiders to a ...