The Underdog promo code NEWSXL is the best in the DFS business ... but they'll also receive a special free square involving Dallas Cowboys QB Dak Prescott. All Prescott needs to do on Sunday ...

There's nothing like Opening Night for NBA fans, so tip-off the new season with a no-brainer welcome offer from FanDuel. Sign up below to activate our exclusive FanDuel promo code offer, bet $5 on ...