The Yankees and Red Sox close out a four-game set Sunday, and new users at BetMGM can sign up using the BetMGM bonus code POSTBET to get up to $1,500 in bonus bets if their first bet doesn’t win.

With September on the horizon, the Yankees and Red Sox are both in desperation mode to stack wins and try to improve their seeding and/or catch the Rays ahead of the playoffs.

New users can use the BetMGM bonus code POSTBET to receive their first bet back in bonus bets if they lose, with a maximum refund of up to $1,500.

BetMGM bonus code POSTBET for Yankees vs. Red Sox

The sports calendar in August is packed with events, and BetMGM is offering up to $1.5K in bonus bets back to your account for use on NFL preseason action, daily MLB games and international soccer matches.

New users who place an initial bet between $10 and $1,500 will receive a full reimbursement of that initial wager amount if their bet is unsuccessful.

Please note that the bonus balance is non-withdrawable.

This offer is available in the following states: Arizona, Colorado, Iowa, Illinois, Indiana, Louisiana, Kansas, Kentucky, Massachusetts, Maryland, North Carolina, Ohio, Tennessee, Virginia, Washington DC and Wyoming.

How to sign up at BetMGM Sportsbook

1. Make a deposit.
2. Select your bonus offer.
3. Choose your state
4. Fill out your login details
5. Enter the BetMGM bonus code POSTBET

What our Post expert thinks about Yankees vs. Red Sox

The Pinstripes are still trying their best to tread water without Aaron Judge,.

If the Yankees can find a way to be within striking distance of the Rays by the time Judge returns, they could make a real charge at winning the AL East.

21+. Gambling problem? Call 1-800-GAMBLER or 1-800-MY-RESET. AZ, CO, DC, IA, IL, IN, LA, KS, KY, MA, MD, NC, OH, TN, VA, WY. Call 877-8-HOPENY or text HOPENY (467369) (NY). Call 1-800-327-5050 (MA), 1-800-BETS-OFF (IA), 1-800-981-0023 (PR). Please Gamble Responsibly. Call 1-800-NEXT-STEP (AZ), 1-800-522-470 (KS, NV), 1-800-BETS-OFF (IA). 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. This promotional offer is not available in MS, NY, NV, ON, PR, MI, NJ, PA, or WV. Visit BetMGM.com for Terms & Conditions.

Why Trust New York Post Betting

Michael Leboff is a long-suffering Islanders fan, but a long-profiting sports bettor with 10 years of experience in the gambling industry. He loves using game theory to help punters win bracket pools, find long shots, and learn how to beat the market in mainstream and niche sports.