Once you register with Caesars NFL promo code NEWSWKGET, you will earn your first of five $50 bonus bets. While other sportsbooks have offered $150 or $200 in the past, Caesars has upped the ante to a $250 guaranteed bonus, which will convey as five separate $50 bonus bets. This brand-new offer from Caesars Sportsbook represents the largest widely-available guaranteed bonus in the industry. Know When To Stop Before You Start.® Gambling problem? Call 1-800-GAMBLER. STATES: AZ, CO, IA, IL, IN, KS, LA, MA, MD, MI, NJ, NY, OH, PA, TN, VA.