The NASCAR Cup Series is set to return Sunday, starting a stretch where they'll run four races in 11 days. What do we need to know before we start betting on NASCAR? PJ Walsh of The Action Network joins The Power Rank's Dr. Ed Feng and numberFire's Jim Sannes to break it all down, discussing his NASCAR betting process, the data he leans on when making decisions, and which drivers he likes for Darlington when the Cup Series resumes its season.