Referees Shayne Hayne and Gerard Sutton will officiate Sunday's NRL grand final between South Sydney and Canterbury.

Hayne has been appointed whistleblower for his fourth decider, while the ANZ Stadium clash will be Sutton's first grand final.

Man in the middle: Shayne Hayne. Credit:Getty Images

Referees boss Tony Archer believes the combination of Hayne and Sutton is that of experience and form required for the biggest game of the year.

"Shayne and Gerard are the form referees of the competition and deserve their places in the grand final," Archer said in a statement.