Best MLB Betting Promos For NLCS, Arizona Diamondbacks Fans
For the first time since 2007, the Arizona Diamondbacks are in the NLCS! To gear up for the championship series, Arizona's top sportsbooks released a slew of MLB betting promos for new users. Capitalize on up to $4,161 worth of bonuses and bet insurance when you sign up for any of the sportsbooks below. The NLCS continues Thursday, Oct. 19, as the D-Backs take on the Philadelphia Phillies in Game 3 with a spot in the World Series on the line. Browse all the bonus codes in this article and pair them with MLB Playoff odds to maximize your potential winnings.
Compare promos from the best sports betting sites. Click PLAY NOW to get started with one of them today:
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Sportsbook
Bonus
Features
Bet
1
Get Up to $1,000 Back in Bonus Bets Over Your First 10 Days - Wide coverage of US and international sports
- Linked to MGM Rewards loyalty program
- Regular odds boosts and promos
Gambling problem? Call 1-800-GAMBLER or 1-800-MY-RESET (Available in the US) 877-8-HOPENY or text HOPENY (467369) (NY) 1-800-327-5050 (MA), 1-800-BETS-OFF (IA), 21+ only. Please Gamble Responsibly. Visit mdgamblinghelp.org (MD). See BetMGM.com for Terms. New Player Offer for new players only. Subject to eligibility requirements. Bonus bets are non-withdrawable. In partnership with Kansas Crossing Casino and Hotel. This promotional offer is not available in NJ, MA, MI, NV, NY, ON, PA, PR, and WV.
2
Bet $5, Get $200 + 3 Months of NBA League Pass - Wide coverage of US and international sports
- High-quality iOS and Android apps
- Very fast withdrawal times
GAMBLING PROBLEM? CALL 1-800-GAMBLER or 1-800-MY-RESET, (800) 327-5050 or visit gamblinghelplinema.org (MA). Please Gamble Responsibly. 888-789-7777/visit ccpg.org (CT), or visit www.mdgamblinghelp.org (MD), 1-800-981-0023 (PR). 21+ and present in most states. (18+ DC/NH/PR/WY). Void in CAN. Eligibility restrictions apply. On behalf of Boot Hill Casino (KS). Pass-thru of per wager tax may apply in IL. 1 per new Sportsbook customer. $5+ first-time bet req. Max. $200 issued as non-withdrawable Bonus Bets. Stake removed from payout. Reward issued as $50 in Bonus Bets every 7 days via click-to-claim for 21 days. Bonus Bets and click-to-claims expire 7 days (168hrs) after issuance. Terms: dkng.co/offer. Get 1 promo code to redeem a 3-month NBA League Pass subscription, complimentary of DraftKings. Subscription auto-renews monthly at then-current price (currently $16.99/mo); cancel anytime. Terms, restrictions, and eligibility requirements apply. Redeem League Pass by 12/19/26 at 11:59 PM ET. Addt’l terms: support.watch.nba.com/hc/en-us/articles/9165532876183-League-Pass-Terms-of-Use_. Ends 11/29/26 at 11:59 PM ET. Sponsored by DK.
3
New Users - Get $200 in Bonus Bets when you wager $5 for 4 days - Offers one of the best same-game parlays
- Highly rated mobile app
- Impressive sports coverage
Gambling Problem? Call 1-800-GAMBLER or 1-800-MY-RESET. Visit www.mdgamblinghelp.org (MD). 1-888-789-7777 or ccpg.org/chat (CT). Hope is here. GamblingHelpLineMA.org or (800) 327-5050 for 24/7 support (MA). 1-877-8-HOPENY or text HOPENY (467369) (NY). 21+ (18+ D.C., WY) and present in select states (for KS, in affiliation with Kansas Star Casino). First online real money wager only. Min $5 wager required for 4 consecutive days. $5 first deposit required. Bonus issued as nonwithdrawable bonus bets which expire 5 days after receipt. Restrictions apply. See terms at sportsbook.fanduel.com. Call 1-877-770-7867 (LA).
4
Get Up to $1,000 Matched in FanCash - Unique FanCash loyalty program
- Variety of bonuses and ongoing promos
- Fast, reliable app with live betting and streaming
Must be 21+. GAMBLING PROBLEM? CALL 1-800-GAMBLER OR CALL 1-800-MY-RESET, www.mdgamblinghelp.org (MD), (800)-327-5050 or gamblinghelplinema.org (MA), Call (877)8-HOPENY or text HOPENY (467369) (NY), (888) 789-7777 or ccpg.org (CT), morethanagame.nc.gov (NC), 1800gambler.net (WV)
21+ to play; Gambling problem? Call 1-800-GAMBLER
| Arizona Sportsbook | Promo Code | Current Bonus |
| Fanatics Sportsbook | | Bet $20, Get $350 FanCash |
| FanDuel Sportsbook | | New Users - Get $200 in Bonus Bets when you wager $5 for 4 days |
| Hard Rock Bet Sportsbook | | |
| DraftKings Sportsbook | | New Customers: Bet $5+ Get $200 in Bonus Bets If you win |
| Caesars Sportsbook | TLCSPO20X | Bet $1 and get double the winnings up to $25 for your next 10 bets |
| BetMGM Sportsbook | | Get Up to $1,000 Back in Bonus Bets Over Your First 10 Days |
| Bet365 Sportsbook | | First Bet Safety Net up to $1,000 in Bonus Bets OR |
Note that you must give out some personal information when signing up for sportsbooks. Books will ask for your legal name, street address, birth date, and the last four digits of your social security number to verify your identity. At TheLines, we strongly encourage using a secure wireless network when inputting sensitive information like personal identifiers and bank account numbers. Must be 21+ to bet in Arizona.
Betway Sportsbook: Get Up To $250 Bonus
Sign up with BetWay Sportsbook and opt-in to get your first wager back up to $250 should it lose. With this promo, you can be confident knowing your first bet will be refunded in bonus bets with Betway's First Bet Reset. No promo code is necessary to claim, but be sure to use any bonus bets within seven days, or they expire!
Caesars Sportsbook: Up To $1,000 Bet Insurance
Like the previous promo, Caesars Sportsbook offers up to $1,000 in bet insurance for your first wager. Like many other bet credits, be sure to use them within seven days of issuance or they expire. Be sure to use promo code TheLines1000 at initial deposit to opt into this promotion!
BetMGM: Get Up To $1,500 Back In Bonus Bets
If $250 or $1,000 wasn't enough, BetMGM Sportsbook offers up to $1,500 in bet insurance on your initial wager! Use bonus code TheLines with your first deposit to be eligible for this promotion.
BetFred Sportsbook: Get Up To $1,111 Bonus
BetFred Sportsbook offers new users multiple bonuses at signup. Place your first wager of $50 and receive $111 in bonus bets instantly! Also, BetFred gives its new users up to $200 per week for five weeks, covering 50% of all your combined wagers per week (max. $200). Be sure to track your inbound bonus bets and issuance dates, as they expire within seven days. Use bonus code BetBonus at deposit to opt into both promotions.
FanDuel Sportsbook: Bet $5, Get $200
FanDuel Sportsbook offers a simple but exciting promotion at signup: bet just $5 on any wager and instantly get $200 in bonus bets! FD issues these bonus bets in four $50 increments that must be used as $50 bets. Be sure to use them within seven days or they expire from your account. No promo code necessary!
BetRivers: Get $100 In 2nd Chance Bets
Deposit at least $10 with BetRivers Sportsbook and use promo code LinesRIV to opt into this promotion. BetRivers will refund your initial bet should it lose up to $100 once you play through your initial deposited amount. Be sure to use your second-chance bet credit within seven days!
MLB Odds For NLCS Game 3
Compare odds from top sportsbooks for NCLS Game 3 below. Philadelphia leads the best-of-seven series by two games to none. Click on the odds anywhere in the table to place a bet.
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