This may be the start of a new attacking era within the AFL, experts say.

Big winning margins are the new normal, as defenders struggle to halt the momentum of multiple goal run-ons.

Taylor Duryea celebrates a goal in Hawthorn's big win over St Kilda in round 10 this year. Credit:Getty Images

In 16 years, there has only been one other season where by the end of round 10, 39 games had been decided by more than 40 points.

That was 2012, the year the two expansion teams were both playing in the league and they sunk like a pair of bricks to the bottom of the ladder.