NASCAR XFINITY DFS: DC Solar 300 DraftKings Preview

NASCAR expert Brian Polking gets you ready to cash in at DraftKings with his DFS Preview for the XFINITY Series DC Solar 300 at Las Vegas.

Adam Hagy-USA TODAY Sports
NASCAR expert Brian Polking gets you ready to cash in at DraftKings with his DFS Preview for the XFINITY Series DC Solar 300 at Las Vegas.