Orroroo put up an extraordinary fight as round one kicked off and the Roos faced Crystal Brook in a grand final match.
The Roos dominated in an epic battle at Roo Park where they led for the first three quarters.
Orroroo was off to a red-hot start, booting six goals to the Roosters' two.
Crystal Brook slowly chipped away at the margin for the rest of the day, going from 24 points down at quarter time to seven points down at the long break following the second quarter where the Roosters started its come-back kicking four goals to the Roos' one.
The Roosters managed another four in the third with the Roos having a five-point lead coming into the final quarter.
A tense quarter ensued as the Roos wanted to redemption from last year's grand final loss.
The Roosters managed two goals to the Roos' one, getting the Brookies over the line to win by six points.
Will Combe was best in front of the goals for the Roosters and booted four and also took out best player honours.
For the Roos, Thomas Moten kicked three and Josh Lawson was best.
Tigers put on dominant display
Southern Flinders triumphed in spectacular fashion as the opened their season with a 93-point win over Jamestown-Peterborough at Victoria Park.