Complex sentence: Foundation club, South Sydney Rabbitohs signed Roy Asotasi for the start of the 2007 NRL season where he played a major part in helping Souths to their first finals appearance in over 2 decades by finishing in seventh position.
Split into simpler sentences: Foundation club, South Sydney Rabbitohs signed Roy Asotasi for the start of the 2007 NRL season. With Souths he played a major part in helping the club to its first finals appearance in over 2 decades by finishing in seventh position.