Sin bin city - Does the bunker have too much say?

What was the biggest upset of round 8? Do the Tiger's look a genuine chance for the finals? Is Bennett over complicating things at Souths? So many sin bins on the weekend, should the bunker take a back seat? The Knight's attack falls apart and the Dolphins, after an impressive start, faded in the second half.  All that and more covered by ABC Sport's Brett Sprigg and Andrew Moore.