Sunday Night Football brings the Buccaneers and Bears together, and prediction market sign-up offers are flooding the zone. CBS Sports is promoting bonus codes tied to the matchup, with Kalshi offering a $55 bonus using code CBSSPORTS55 and Polymarket offering $25 with code CBSSPORTS. The promos are aimed at new users looking to place their first wagers on the game. Readers should check the terms and conditions and local legality before signing up for any prediction market platform.