Cautious optimism from Indy 500 veteran Scott Dixon as he prepares to try and add a second Borg Warner trophy to his cabinet.

The 2008 champion's qualified fourth fastest for what will be his 23rd appearance in the race that's part of motorsport's annual Triple Crown - alongside the Monaco Grand Prix and 24 Hours of Le Mans.

Dixon joined D'Arcy Waldegrave to discuss.

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