NASCAR DFS: Big Machine Vodka 400 at the Brickyard DraftKings Preview

NASCAR expert Brian Polking gets you ready to make some money at DraftKings with his DFS Preview for the Big Machine Vodka 400 at the Brickyard.

NASCAR expert Brian Polking gets you ready to make some money at DraftKings with his DFS Preview for the Big Machine Vodka 400 at the Brickyard.