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
Up To $1500 in Bonus Bets Paid Back if your First Bet Does Not Win - 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), 1-800-981-0023 (PR). 21+ only. Please Gamble Responsibly. See BetMGM.com for Terms. First Bet Offer for new customers only (if applicable). Subject to eligibility requirements. Bonus bets are non-withdrawable. In partnership with Kansas Crossing Casino and Hotel. Promotional offers not available in Mississippi, New York, Ontario, or Puerto Rico.
2
New Customers: Bet $5+ Get $300 in Bonus Bets Instantly - 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). Call 877-8-HOPENY/text HOPENY (467369) (NY). 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/KY/NH/PR/WY). Void in NH/OR/ONT/PR. Eligibility restrictions apply. On behalf of Boot Hill Casino (KS). Pass-thru of per wager tax may apply in IL. 1 per new DraftKings Sportsbook customer. Must register new account to receive reward Token. Must select Token BEFORE placing min. $5 bet to receive $300 in Bonus Bets if your bet wins. Min. -500 odds req. Token and Bonus Bets are single-use and non-withdrawable. Bet must settle by and Token expires 5/3/26 at 11:59 PM ET. Bonus Bets expire in 7 days (168 hours). Stake removed from payout. Terms: Promos | DraftKings Sportsbook . Ends 4/26/26 at 11:59 PM ET.
3
Double Your Winnings on Your First 10 Bets! $50 Max Bets - Only sportsbook legal in Florida
- Hot Bets feature
- Live NFL streaming
To be eligible, the Player must be at least 21 years old, physically located in an Eligible Jurisdiction: AZ, CO, IL, IN, MI, NJ, OH, TN, or VA, and not on any exclusionary lists in any Eligible Jurisdiction. Excluded patrons are prohibited from participating in Promotions. To be eligible all personal and contact data associated to your account must be verifiable. GAMBLING PROBLEM Arizona Customers: Call 1-800-NEXT-STEP or Text NEXTSTEP to 53342. Colorado, Illinois, Michigan, New Jersey, Ohio, and Virginia Customers: Call 1-800-GAMBLER Indiana Customers: Call 1-800-9-WITH-IT Tennessee Customers: Call or text the Tennessee REDLINE: 1-800-889-9789
4
New Users – Bet $5 Get $250 If Your Bet Wins! Gambling Problem? Call 1-800-GAMBLER or visit RG Help . Call 1-888-789-7777 or visit Helpline and Chat – CONNECTICUT COUNCIL (CT). "Hope is here. GamblingHelpLineMA.org or call (800) 327-5050 for 24/7 support. 21+ and present in MA. Connect with a PlayWell Advisor at PlayWell.org. Visit Home (MD). Call 1-877-8HOPE-NY or text HOPENY (467369) (NY) 21+ (18+ D.C., KY, WY) and present in select states (for KS, in affiliation with Kansas Star Casino). First online real money wager only. $5 first deposit required. Bonus issued as nonwithdrawable bonus bets which expire 7 days after receipt. Restrictions apply. See terms at FanDuel Sportsbook
5
Bet $5 Get $200 FanCash immediately - Unique FanCash loyalty program
- Variety of bonuses and ongoing promos
- Fast, reliable app with live betting and streaming
New customers in AZ, CO, CT, DC, IA, IL, IN, KS, KY, LA, MA, MD, MI, MO, NC, NJ, NY, OH, PA, TN, VA, VT, WV, or WY. Must toggle on this promotion in your bet slip and wager $5+ cash on any market (min. odds -500) within 7 days of account opening to receive $200 in FanCash. Promotional FanCash expires 7 days from issuance (at 11:59pm ET). Terms, including FanCash terms apply-see Fanatics Sportsbook app.
21+ to play; Gambling problem? Call 1-800-GAMBLER
| Arizona Sportsbook | Promo Code | Current Bonus |
| Fanatics Sportsbook | | Bet $5 Get $200 FanCash immediately |
| FanDuel Sportsbook | | New Users – Bet $5 Get $250 If Your Bet Wins! |
| Hard Rock Bet Sportsbook | | Double Your Winnings on Your First 10 Bets! $50 Max Bets |
| DraftKings Sportsbook | | New Customers: Bet $5+ Get $200 in Bonus Bets If you win |
| Caesars Sportsbook | | |
| BetMGM Sportsbook | | Up To $1500 in Bonus Bets Paid Back if your First Bet Does Not Win |
| 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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