Mitch Duncan continued his dominance. He has 27 removals, nine points and three interceptions.
Jeremy Cameron was an outstanding player with four goals.
Patrick Dangerfield had five 50s and four clearance out of 24 removals.
In The Giants, Isaac Cumming, 23, Josh Kelly, 22, Callan Ward, 22, and Tom Green, 21, did the most. Green and Ward received seven counts each, but the Giants simply failed to score.
They had 35 inside-50 and Geelong – 41, and they lead the disputed possessions with nine, but their connection inside-50 was below average.
Earlier, Jed Buse was replaced by debutant Mitch Knewit, who had 10 touches.
Giants 3.9 (27), Cats 8.11 (59)