In case you missed it, the 2025 MLB World Series teed off last night! Don’t worry - it continues as soon as tonight with Dodgers vs. Blue Jays Game 2, which is why we’re here to hook you up with the best MLB World Series promo codes. We’ll take you through not only how to quickly and easily activate each one, but also what each one unlocks!

So, check out all the details of the five best MLB World Series promo codes available right now to make it the best weekend yet!

The Best MLB World Series Promo Codes To Activate Today

Of course, there is a full CFB slate to enjoy leading up to the World Series tonight. With that in mind, you can also activate each of the best MLB World Series promo codes ASAP by using the links in the outline below, which also summarizes each offer:

Best MLB World Series Promo Codes: Novig Sportsbook

You’ll find that the platforms offering the best sign-up promotions right now come in a variety of types. We’re going to start with a peer-to-peer sportsbook of Novig for commission-free lines, and here’s how to get started with one of the best MLB World Series promo codes:

  1. Click here for new Novig account
  2. Enter our Novig promo code ALARM
  3. Spend $5 or more on Novig Coins/Cash
  4. Receive a $50 bonus no matter what!

That’s a guaranteed and instant 10x boost before ever even making a pick! Whether you get started with Dodgers vs. Blue Jays Game 2 or something else, activate the first of the best MLB World Series promo codes ALARM by joining Novig here.

 

 

 

Best MLB World Series Promo Codes: Rebet Social Sportsbook

Another type of platform out there is social sportsbooks, and like the above, Rebet is available in over 40 states! That alone is reason enough to activate one of the best MLB World Series promo codes today:

  1. Click here for new Rebet account
  2. Enter our Rebet promo code ALARM
  3. Spend $10+ and up to $100 on Rebet Coins/Cash
  4. Receive 100% of the value in Rebet funds GUARANTEED!

As you can see, you’ll automatically have DOUBLE the account balance to start making picks with! Just use this link to activate one of the best MLB World Series promo codes ALARM and join Rebet today!
 

 

 

Best MLB World Series Promo Codes: Onyx Odds

Another social sportsbook that is a must-have is Onyx Odds - also available in nearly the entire country! That includes for LA fans getting ready for Dodgers vs. Blue Jays, and here’s how to unlock one of the best MLB World Series promo codes:

  1. Click here for a new Onyx Odds account
  2. Enter our Onyx Odds promo code ALARM
  3. Spend $10+ and up to $100 on Onyx Coins/Cash
  4. Receive 100% of the value in Onyx Cash bonus picks!

Not only is this a social sportsbook like Rebet, but it’s also a 100% purchase match to get you started! Well, that’s once you become a new Onyx member with one of the best MLB World Series promo codes: ALARM. 
 

 

 

Best MLB World Series Promo Codes: Sleeper Fantasy

Let’s transition from social sportsbooks to fantasy action. Sleeper Fantasy has both DFS and year-long fantasy, DAILY free player picks and of course, one of the best MLB World Series promo codes to activate:

  1. Click here to become a new Sleeper member
  2. Enter our Sleeper promo code ALARM
    1. Receive a FREE $20 entry!
  3. Make a first-time deposit of $10+ and up to $100
  4. Receive 100% of the value in more bonuses!

That’s two rewards that are both guaranteed and awarded before you ever even submit your first lineup! Whether you target Dodgers vs. Blue Jays players or not, activate one of the best MLB World Series promo codes ALARM by joining Sleeper here.

 

 

 

Best MLB World Series Promo Codes: Kalshi

Lastly, we’ve got an overall predictions market as well. Kalshi allows you to make picks (complete “contracts”) on more than just sports (politics, crypto, etc.), and here’s how to enjoy another one of the best MLB World Series promo codes:

  1. Click here for new Kalshi account
  2. Enter our Kalshi promo code ALARM
  3. Complete your first 100 contracts (1-99 cents)
  4. Receive a $10 bonus no matter what!

Along with the ability to make predictions on a multitude of categories is the fact that Kalshi is legal in ALL 50 STATES! That’s perfect for Dodgers fans in LA without legal sports betting, so be sure to unlock another one of the best MLB World Series promo codes ALARM today by signing up here for a new Kalshi account!

 

 

 

Target Anything After Activating The Best MLB World Series Promo Codes

As we’ve said from the start, it’s not just Dodgers vs. Blue Jays Game 2 going on these days, or even just today! So, here are several popular sporting events to target once you’ve activated each of the best MLB World Series promo codes: