Star fullbacks Greg Inglis and Brett Morris could be the game-breakers in Friday night's grand final rematch.

Star Rabbitohs fullback Greg Inglis and his Bulldogs counterpart Brett Morris could be the difference when their respective sides line up in Friday night's grand final rematch.

Teammates at Test level for Australia, both are former outside backs who have made the successful switch to the custodian role at NRL level.

Who has the edge this year?