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The regular season comes to a close on Sunday with 14 Week 18 NFL games, making it an ideal time to check out the latest Caesars Sportsbook promo code CBS250BM, which offers new users a first bet matched up to $250 as a bonus bet, win or lose. Whether you want to bet on a matchup like Ravens vs. Steelers (+3.5), or Lions vs. Bears (-4.5), now is the time to boost your betting bankroll. Click here to sign up for Caesars Sportsbook to bet on Sunday's top games:

See the Caesars Sportsbook promo code review page for the terms and conditions of this offer.

Sunday NFL betting preview

The Chicago Bears and Detroit Lions renew their NFC North rivalry on Sunday at 4:25 p.m. ET. The Lions have been elimianted from playoff contention, while the Bears can clinch the No. 2 seed in the NFC with a victory. The Bears suffered a lopsided 52-21 loss at Detroit on Sept. 14, but Chicago is favored by 4.5 points on Sunday.

A spot in the playoffs will be on the line when the Pittsburgh Steelers host the Baltimore Ravens on Sunday Night Football. The winner of this matchup will win the AFC North and clinch the No. 4 seed in the AFC playoff picture. The Steelers are 9-3 in their last 12 meeting against Baltimore, but Pittsburgh is a 3.5-point underdog at home. Bet on the NFL and more at Caesars here:

Responsible gaming

Bettors should practice responsible gaming whenever placing wagers, and Caesars Sportsbook offers multiple ways to help with this, such as gaming limits, activity alerts, self-exclusion measures and sharing contact information for local and national helplines like 1-800-GAMBLER (call or text 24/7).