Now that March Madness is finally over, it's a great time to sign up for MLB betting promos, sports betting apps and bonuses. All of the top names in sports betting are stepping up to the plate early on this season with sportsbook promo codes that can get you thousands of dollars in bonus bets to knock out of the park.

This Friday and heading into this weekend, we'll several key series being played. You can wager on Astros-Rangers, which could very well be this year's ALCS in a rematch from last fall. Or bet on Phillies-Pirates, Padres-Dodgers and more.

Best MLB Betting Promo Codes for Friday, April 12

For the start of baseball season, you'll find sports betting apps below with the best MLB betting promos and bonuses:

BetMGM Bonus Code ROTOBONUS: Sign up using the BetMGM bonus code ROTOBONUS to claim a $1,500 first-bet offer. If your first bet on MLB odds loses, you'll be reimbursed with bonus bets matching the amount of your first bet, up to $1,500.

Caesars Sportsbook Promo Code ROTO1000: When you sign up with the Caesars Sportsbook promo code ROTO1000, you get a first bet on Caesars, up to $1,000 for MLB picks and wagers.

DraftKings Promo Code: Bet $5 on MLB and get $150 in bonus bets instantly when you register a new account with the DraftKings promo code.

Fanatics Sportsbook Promo Code: Use the Fanatics Sportsbook promo code to get up to $1,000 in bonus bets when you sign up for a new Fanatics Sportsbook account and bet on MLB futures and odds.

FanDuel Promo Code: Bet $5 on MLB props or odds after registering with the FanDuel promo code, and you'll get $200 in bonus bets.

bet365 Bonus Code ROTOWIRE: Use a First Bet Safety Net, up to $1,000, on MLB odds with the bet365 bonus code ROTOWIRE.

Click the BET NOW button above to get started and start wagering on the most popular MLB odds, World Series odds and more baseball-related bets.

Bet on Padres-Dodgers & More Friday MLB Odds

Now that you have all the information you need, it's time to claim thousands in bonus bets from the MLB betting promos and bonuses at the top sports betting sites.

In addition to the big matchups listed in the open, we'll also see matchups like Cubs-Mariners, Angels-Red Sox and Cardinals-Dbacks. However, Padres-Dodgers and Astros-Rangers are the two weekend series with the largest amount of starpower.

You can place your first wager on any of these games, or any other available sports betting market like prop bets from the diamond. Just remember that if you're a new customer, you can sign up for any of these welcome offers at the corresponding sportsbooks.

How to Download MLB Betting Apps & Promo Codes

As long as you are at least 21 years old, located in a state where sports betting is legal, and a new customer at any of these online sportsbooks, you can register for a new account at the top sports betting apps by following these guidelines:

1. Click on the sportsbook promo link that you are most interested in. Be sure to read the Terms & Conditions for each welcome offer to make sure that you are eligible.
2. Enter your basic personal information like your name, email address, physical address and phone number to get started with the registration process. You will also need to provide your DOB and the last four digits of your SSN to verify your identity.
3. Enter the promo code – if one is necessary.
4. Deposit funds into your new account with the minimum qualifying amount. Each sportsbook will have a different amount, so double-check the needed info. You can deposit using payment methods like PayPal and credit cards. 

This article is part of our Betting Promotions series.