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Polymarket promo code SPORTSLINE: Get $20 bonus for Yankees-White Sox, Braves-Mets, Cubs-Cardinals, Tuesday MLB games

New Polymarket users can get a $20 bonus on Tuesday when they deposit $10 and trade on baseball

ByUpdated: Jul 28, 2026 3:54PM UTC . 4 min read
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The latest Polymarket promo code SPORTSLINE gives new users a $20 bonus when they deposit $10 to make trades. The Braves' Chris Sale and Yankees' Gerrit Cole, both recent Cy Young Award winners, will both take to the mound on Tuesday. Click here to get started and claim your $20 bonus after depositing $10 with the Polymarket promo code SPORTSLINE:

For the terms and conditions of this offer, be sure to check out the Polymarket promo code review page.

How to sign up for the Polymarket referral code SPORTSLINE

You can sign up for this Polymarket offer using the steps listed below. This offer is only available for new users.

  1. Click CLAIM BONUS on this page. Download the Polymarket app.
  2. Create an account and provide all the required information, such as name, email and payment details. Use the code SPORTSLINE to get your bonus.
  3. Make a first deposit by your preferred deposit method and follow the prompts.
  4. New users must deposit at least $10 in contracts for the $20 trading bonus to be applied to their account.

After depositing $10 with the Polymarket promo code, new users will be given a $20 trading bonus: 

Tuesday MLB trading preview

The Chicago White Sox will host the New York Yankees in Game 2 of a four-game series after losing 9-5 yesterday. The surging Yankees are closing in on the AL East lead and building postseason momentum, as they are just 2 ½ games behind the Rays. A strong performance by Gerrit Cole, who has been returning to strong form, is the difference-maker for his team, and on Polymarket he is priced at $0.74 to have four or more strikeouts. The Yankees are trading at $0.55 per share to win, and the White Sox are at $0.46. Users can also trade on home runs on Polymarket, and Chicago's Munetaka Murakami is priced at $0.26 per share to have a home run.

The Mets put up 14 runs in their stunning win last night over the Braves. Atlanta's ace Chris Sale is pitching tonight for the second game in this series and is trading at $0.59 on Polymarket to have six or more strikeouts to boost his team's chances to bounce back. New York and Atlanta are tied at four games apiece this season in this series, and the Braves are trading at $0.60 to win over the Mets, who are priced at $0.41 on Polymarket. The Mets' rookie A.J. Ewing, who has three home runs so far in July, is priced at $0.60 per share to have a home run tonight.

The Chicago Cubs and St. Louis Cardinals continue their four-game series tonight in a primetime showdown. The Cubs are in a steady second place in the NL Central after a 7-3 win last night. Chicago is priced at $0.53 per share to win over St. Louis on Polymarket in a tight matchup. The Cardinals' Alex Burleson is trading for $0.19 to have at least one home run in this meeting. After the Cubs recorded 14 hits yesterday, the team totals on Polymarket are priced at $0.54 per share to have eight or more runs. Trade on the MLB and more with the Polymarket promo code SPORTSLINE: 

Responsible Risk Management

Polymarket offers different ways to keep its users safe with risk management tools like trading breaks, a voluntary opt-out feature and funding limits.  

Prediction Markets are regulated by the Commodity Futures Trading Commission (CFTC) - an independent agency of the U.S. federal government.

Event contracts trading involves a risk of substantial loss and is not suitable for all investors. Participation in prediction markets is subject to applicable eligibility requirements. Participation may be restricted or prohibited in certain jurisdictions and participants are responsible for ensuring their participation complies with applicable laws and regulations in their jurisdiction.

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Janine Brown
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