Football Betting Promos: Best CFB betting sites for Sept. 23

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Our betting experts have compiled the best college football betting promos for this Saturday's games. 

Our CFB Week 4 bonuses provides more than $3,500 in promos for a loaded college football slate on Sept. 23, such as:

• Colorado at Oregon (-21) - 3:30 p.m. ET
• UCLA at Utah (-4.5) - 3:30 p.m. ET
• Ole Miss at Alabama (-7) - 3:30 p.m. ET
• Texas (-14.5) at Baylor - 7:30 p.m. ET
• Ohio State (-3.5) at Notre Dame - 7:30 p.m. ET

The best college football promos for Week 4 unlock hundreds of betting markets and thousands in potential football betting promos.

Football betting promos: Welcome offer details from top sportsbooks

Best CFB Week 4 bonuses: Claim more than $3,500 in combined football betting promos 

• BetMGM bonus code PLAYSPORT offers $1,500 first-bet bonus
• Caesars promo code PLAYS1000 leads to $1,000 welcome offer
• FanDuel promo code offers $200 in guaranteed bonus bets

Look over our reviews of the best US sports betting apps and breakdowns of the best college football betting sites ahead of Sept. 23. Each has their own unique menu, promotions and bonuses to consider.

1. BetMGM Sportsbook

BetMGM Sportsbook is a premier college football betting app, offering a large betting market with its ongoing promotions and welcome bonus.

The BetMGM welcome bonus is an offer up to $1,500 that backs first-wager losses as bonus bets once you register, deposit and place a wager.

How to claim a BetMGM football betting promo

BetMGM college football bonus code PLAYSPORT, then make your first deposit and place a college wager to claim this football betting promo. If it loses, BetMGM will refund you up to $1,500 with bonus bets for a second chance at early profits.

Qualifying bets of $50 or more are paid out in five bonus bets of equal value, while any lost wager of $49 or less will be refunded with one lump-sum bonus bet.

Bonus bets will arrive within 24 hours if your qualifying bet loses. Bonus bets remain eligible for use over the next seven days at BetMGM Sportsbook.

2. Caesars Sportsbook

Caesars Sportsbook is an top-shelf sports betting app with its betting menu, ongoing promotional offers and more. The Caesars welcome bonus for college football offers a back up on your first bet that can reach $1,000.

Caesars Sportsbook promo code PLAYS1000 enables a first-bet offer to cover losses from your initial wager being reimbursed in a single bonus bet from Caesars.

How to claim Caesars Sportsbook football betting promo

Register for Caesars Sportsbook, deposit your money and place your first bet. If it loses, a bonus bet matching those losses is paid back for a second chance at early profits.

Any bonus bets earned from the Caesars college football promo arrive within 48 hours and can be used for 14 days once added to your account.

3. Bet365 Sportsbook

Bet365 Sportsbook has one of the best football betting promos.

Bet365 bonus code FPBETS provides $365 guaranteed as part of its CFB Week 4 bonus. Here’s everything you can get:

• $365 in bonus bets following a $1 wager (win or lose) once you sign up and deposit.
• Exclusive promos including bet boosts, parlay bonuses and early payouts.
• Tons of betting markets to choose from including Week 4 college football odds.

Bonus bets can be broken up into multiple wagers and are eligible for use on any market with a line of -500 or better.

For example, you can bet Colorado at +660 vs. Oregon. Whether you win or lose, $365 in bonus bets is yours.

To use your Bet365 CFB Week 4 bonus, select "use bonus bets" when setting up your betting slip. For full terms, visit our Bet365 promo code links.

4. FanDuel Sportsbook

FanDuel Sportsbook is a household name among sportsbooks. It has a big industry footprint, generous promotions, and an inviting betting menu and application. 

On top of that — our FanDuel football betting promo leads to a first-bet offer that guarantees $200 in bonus bets for a $5 wager.

It's a great offer for a CFB Week 4 bonus, with several top-25 matchups this Saturday. Bet at least $5 on those games, and win or lose, you get the bonus bets. 

College football bettors can wager on the game of their choice after registering and making a deposit. Win or lose, the bonus bets are coming into your account after that wager settles.

FanDuel Sportsbook welcome bonus bets show up in your account within 72 hours of your qualifying bet and must be used within 14 days of issuance.

5. BetRivers Sportsbook

BetRivers Sportsbook is a respected app thanks to its interface, quality odds and more. 

BetRivers bonus code RIVSPORTS activates a second-chance bet bonus up to $500 for all new customers.

Once you click on our football betting promo above, make your deposit and place your first bet. If it loses, get 100% of those losses back up to $500 to try once again.

BetRivers CFB Week 4 bonus details:

• Qualifying wagers must have odds of -200 or better (-175, +100, etc.)
• Must deposit at least $10 into your new BetRivers account

College Football Betting Preview for Sept. 23 CFB odds

The 2023 season has already been buzzworthy, thanks to the show Deion Sanders has brought to Colorado. But the September 23 slate of games is another level. 

You have a number of top-25 matchups throughout the day, highlighted by Colorado vs. Oregon in the afternoon and Notre Dame vs. Ohio State as the nightcap. 

Colorado will be without superstar sophomore Travis Hunter, the former top high school prospect in America, but the Buffs still features emerging Heisman Trophy candidate Shedeur Sanders. Oregon features a stud quarterback in Bo Nix, as well. 

Then you have No. 6 Ohio State (3-0) visiting No. 9 Notre Dame (3-0) in a primetime matchup of college football bluebloods.  

So cook up some chili, put on some comfy clothes and check out these football betting promos to take full advantage of the best U.S. betting apps.

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Catena Media provides exclusive sports betting content to FrontPageBets.com, including picks, analysis, tools and sportsbook offers to help bettors get in on the action. Please wager responsibly.

Zack Creglow is an Iowa-based managing editor for Catena Media. He has nearly two decades of experience as a sports journalist, including a combined 11 years as a sports editor in Wyoming, Mississippi and Iowa.