For the second week in a row the Eagles looked a shadow of the team that won last years premiership losing to the Cats by 58-points.
The Cats dominated in every facet of the game as 10 Eagles players failed to reach double figures in the possession count in the 15.14.104 to 7.4.46 loss.
Questions again remain around their ability to play in non dry conditions as players failed to control the ball as the game went into the evening with dewy conditions.
Josh Kennedy booted two goals in the losing performance.
West Coast have slipped to eighth on the AFL ladder and will face the Suns in Perth next on Saturday night.
IMAGE: Getty Images