Herald league writers Michael Brown and Chris Rattue look at the key winning formulas for both teams ahead of Sunday's NRL grand final.
The Roosters will win if...
Michael Brown
1 Their defence holds. The Roosters have kept teams scoreless six times this season, including the brutal 4-0 win over Manly three weeks ago.
2 They keep their nerve. Manly are stacked with grand final experience but for many Roosters it will be their first appearance in the decider.