Haiden Deegan throws Tantrum | What Star Yamaha and the Deegan's don't want you to see... Pro Motocross rider Haiden Deegan, better known as Danger Boy Deegan, has an unbelievable meltdown during the 9th round of the Pro Motocross Championship. Unreleased footage of Deegan kicking his bike, throwing his goggles and helmet and being abusive to track personnel after a bike malfunction. ALL MIC'D UP! Will Deegan be able to regain any composure for round 10 at Budds Creek?
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