Sunday Grand Slam

Bet on Sunday MLB action and swing your way into a Sunday night reward!

How it Works:

  • Opt-in to the offer first within your bonus offers section
  • Players must make a $25+ cash bet on any Sunday MLB game (min. odds -150). Wager cannot be on the primetime Sunday Night game. Wager must be placed on Sundays to count towards this promotion.
  • Player will receive a 25% profit boost to use on the Sunday Night primetime game once their qualifying bet has been placed.
  • Promotion Period: September 24th, 2023
  • If the pending profit boost does not show in “Rewards” please refresh or log in again.




Terms and Conditions
    • 1. Description of Promotion - Sunday Grand Slam
    • Sunday Grand Slam – Place at least a $25 bet on a Sunday MLB game and receive a 25% profit boost for the primetime Sunday night game. The bet needs to settle on Sunday, or it will be ineligible. One profit boost per player, per promotional period. Must be a cash bet. Cash wager cannot be combined with profit boost.

    • 2. Promo Period
    • July 23rd, 2023 - September 24th, 2023

    • 3. Eligibility
    • In order to be eligible for this promotion, the player must be 21 years or older and be physically in the state of Pennsylvania. You must have registered for and obtained a valid and verified Unibet real-money account. In order to be credited, your account must be active on the day bonus bet is applied.

    • 4. Action Required
    • Place at least a $25 bet on a Sunday MLB game and receive a 25% profit boost for the primetime Sunday night game once your bet has been placed. The wager must be -150 or higher (+100, +150, etc.). Cannot cash out initial wager.

    • 5. Claiming Promotion Offer
    • The profit boost will unlock upon placement of your qualifying bet. Cannot cash out qualifying wager. Players must have an active account on the day of award for the profit boost to be added successfully.

    • 6. Registration Procedures
    • There is no registration procedure.

    • 7. Limitations on Participation
    • Eligible for each Sunday throughout the MLB season. Must wager at least $25 on a non-primetime MLB game. Must be a cash bet. You will receive a 25% profit boost once your qualifying wager has been made. Minimum bet $25.

    • 8. Wagering Requirements/Exclusions
    • Once unlocked, the profit boost will be credited on the Sunday night MLB Primetime game, or it will be forfeit and expire.

    • 9. Order of Funds Used for Wagering
    • Must be a cash bet.

    • 10. Eligible Games
    • Any MLB games on Sunday during the promotional period. Profit boost must be used on MLB Sunday Night Primetime game.

    • 11. Restrictions on Withdrawal
    • There are no restrictions on withdrawing cash funds.

    • 12. Cancellation
    • Unibet reserves the right to change or cancel this promotion or part of this promotion at any time without notice.

    • 13. Gambling Problem
    • If you or someone you know has a gambling problem and wants help, call 1-800-GAMBLER. Keep in mind that you always have someone to talk to. With the Unibet real-money platform, a player can set the following limits on his account: Session Time Limit, Deposit Limit, and Spend Limit. In addition to setting his own limits, a player can request to adjust his limits at any time through the Responsible Gaming page from the 'My Account' menu (when logged in). A player may decrease their limits at any time; However, they are not able to increase the previously set limit until the set limit has expired. You may seek professional help from the following organizations:
    • Council on Compulsive Gambling Pennsylvania

    • National Council on Problem Gambling

    • 14. Other Information
    • The promotion is organized by Unibet Interactive, Inc. (“Unibet”). If, for any reason the promotion is not capable of running as planned, including infection by computer virus, bugs, tampering, unauthorized intervention, fraud, technical failures, or any other causes within or beyond the control of Unibet which corrupt or affect the administration, security, fairness, integrity, or proper conduct of the Promotion, Unibet reserves the right at its sole discretion to cancel, terminate, modify or suspend the Promotion. Trademarks used herein are owned by Unibet and its affiliated companies. Unibet's decisions in respect of any matter(s) concerning a promotion are final. Unibet may reclaim any bonus amount or enhanced payments that have been awarded in error. No employees of Unibet and its affiliated companies, or family members of employees and affiliated companies, may take part in promotions. Terms and Conditions for all Unibet promotions are to be read in conjunction with the Unibet Terms of Service available at Customer support can be reached at or 1(855) 486-4072.