Between them, the Hawks and Dockers haven't lost a game for eight weeks. That will change on Thursday night in Perth. Andrew Wu and Peter Ryan discuss the top-four clash, as well as the big match between Geelong and Collingwood where Scott Pendlebury will match the AFL games record and Tom Stewart will clock up his 200th appearance. But it's the game between Port Adelaide and the Western Bulldogs that causes the fiercest debate between our tipping experts as they discuss all the action coming up in round nine.