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If you're looking to back an MLB team on today's slate, the Polymarket promo code TSNEWS is exactly what we need to build up our bankroll. When new customers sign up here and make an initial deposit of at least $20, they unlock a $50 sign-up bonus to use on today's MLB matchups or any games throughout the rest of this weekend.
Whether we're handicapping the heavy-hitting Los Angeles Dodgers or eyeing an underdog upset, this welcome offer gives us a real chance to swing for the fences with some extra house money before the first pitch.
Get $50 Bonus with the Polymarket Promo Code TSNEWS
| New User Offer | $50 Bonus |
| Terms and Conditions | 18+ and Present in the US |
| Date Last Verified | July 25, 2026 |
Whenever I'm scouting the morning line, I want maximum flexibility, and that is precisely what this welcome offer provides. New Polymarket customers are eligible for a lucrative $50 sign-up bonus to deploy across today's action.
Whether you want to put some money on the Chicago Cubs (57-45) visiting the Pittsburgh Pirates (53-50) or back the Cincinnati Reds (48-54) against the St. Louis Cardinals (52-51) at Busch Stadium, this promotion is our ticket to hunting down a bigger payout.
To grab this edge, new Polymarket customers simply need to make an initial deposit of at least $20. Keep in mind, you must be 18 years of age or older and physically located in an eligible Polymarket state to qualify. Once that $20 hits your newly created account, the $50 bonus unlocks, and we are ready to start placing our winning wagers.
MLB Probabilities for July 25th
Let's look at today's vig-free implied probabilities so we can start building a smart prediction strategy:
| CHC @ PIT | CHC 47.5% / PIT 52.5% |
| ATL @ BAL | ATL 48.8% / BAL 51.2% |
| CIN @ STL | CIN 48.8% / STL 51.2% |
| LAD @ NYM | LAD 58.7% / NYM 41.3% |
If we are laying a $20 wager on the extremes of today's board, the payouts tell two very different stories. A $20 trade on our heaviest favorite, the Los Angeles Dodgers, yields a modest $12.66 profit. On the flip side, putting that same $20 on a live underdog like the New York Mets returns a sweet $26.40 profit if they pull off the home upset.
When I'm handicapping that LAD @ NYM matchup, the underlying stats point heavily to the Dodgers. Los Angeles is crushing the ball with a .260 average and .774 team OPS, making New York's .233 average and .686 OPS look anemic. Plus, the Dodgers get a massive narrative boost: Shohei Ohtani just threw a \~30-pitch bullpen and is expected to be available for this series. With LA's pitching staff sporting a 3.53 ERA and 1.13 WHIP compared to the Mets' 4.23 ERA and 1.31 WHIP, backing the Dodgers looks like a rock-solid play.
In the ATL @ BAL game, keep an eye on the Braves. Ronald Acuña Jr. is a potential activation candidate from the injured list and could return to the lineup today, adding instant firepower to Atlanta's roster.
Steps for Using the Polymarket Promo Code
Getting started and locking in this bonus is a breeze. Follow these simple steps so we can get our bets in before the games get underway:
- Register Your Account: Create a new account here by providing standard personal information.
- Verify Your Identity: Submit the necessary proof of identification to secure and verify your profile.
- Enter the Promo Code: Don't forget to punch in the Polymarket promo code TSNEWS during registration—that is our key to unlocking the bonus.
- Fund Your Account: Make a first-time deposit of at least $20 to fully activate the offer.
Once your deposit clears and the promo code is applied, you're ready to roll. Whether you're playing it safe with a heavy favorite or chasing a nice pay day on a moneyline underdog, you will be fully equipped to tackle tonight's MLB action with confidence.

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