Complex sentence: Geelong defeated the Kangaroos in their qualifying final at the Melbourne Cricket Ground by 106 points, earning them a second week bye, before they hosted Collingwood in a preliminary final showdown at the MCG, winning a tightly fought contest by five points.
Split into simpler sentences: Geelong defeated the Kangaroos in their qualifying final at the Melbourne Cricket Ground by 106 points. They earned a second week bye, and hosted Collingwood in a preliminary final at the MCG, beating them by five points.