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There's nothing better than diving into a fresh slate of baseball after the MLB All-Star break, especially when we have a real chance at a nice pay day. For those looking to step up their game, new customers can grab a fantastic welcome offer ahead of today's action using the Kalshi promo code TSN15. By signing up here, you can snag a $15 bonus after $10 in trades.
Trade $10, Get $15 Bonus with Kalshi Promo Code TSN15
New Kalshi customers have a prime opportunity to lock in a $15 sign-up bonus while getting some skin in the game for today's MLB slate. Whether you're looking to trade on the Baltimore Orioles (46-51) battling the Houston Astros (47-51) or prefer handicapping the late-night showdown between the Detroit Tigers (44-52) and the Los Angeles Angels (38-59), this welcome offer is the perfect starting point to build your bankroll.
To claim this extra padding for your portfolio, eligible new users just need to make a first-time deposit of at least $1. Your $15 bonus drops into your account as soon as you've made $10 in trades on Kalshi's unique prediction markets. Kalshi is a fully legal, market-based exchange available in all 50 states, provided you're 18 or older. It's a great way to move beyond basic win/place bets and start trading like a pro.
MLB Probabilities for July 17th
| STL at ARI | 50% / 50% |
| MIN at CHC | 44% / 56% |
| BAL at HOU | 52% / 48% |
| DET at LAA | 50% / 50% |
Diving into the season statistics is how we find our real edge. Here is how I'm breaking down two of today's biggest matchups to figure out where to deploy those initial trades:
STL at ARI
The St. Louis Cardinals (50-45) visit the Arizona Diamondbacks (49-47) in what shapes up to be a dead heat. When I handicap this one, the Cardinals show a slight edge across the board. At the plate, St. Louis carries a .242 team batting average and a .708 OPS, slipping past Arizona's .237 average and .691 OPS. On the mound, the Cardinals' pitching staff has compiled a solid 4.125 ERA, which barely edges out the Diamondbacks' 4.209 team ERA. It's tight, but St. Louis could be the key here.
MIN at CHC
The Chicago Cubs (54-42) are sending probable pitcher Colin Rea to the hill against the Minnesota Twins (48-49) at Wrigley Field. The Cubs bring a much more reliable pitching staff into this contest, sporting a 4.335 collective ERA versus the Twins' 4.624 ERA. Offensively, Chicago brings a little more pop with a .747 OPS to edge out Minnesota's .738 OPS, even though the Twins hold a nominal advantage in batting average (.248 to .244). I'll be looking closely at the Cubs to anchor some trades today.
Guide for Using the Kalshi Promo Code Today
Getting set up on Kalshi and claiming that sweet welcome bonus is a breeze. If you want to make sure you have your $15 sign-up bonus locked and loaded for today’s MLB action, just follow my simple checklist:
- Create an Account: Register here by dropping in your standard personal information.
- Verify Your Identity: Provide your proof of identification so they know it’s really you.
- Enter the Promo Code: Don't miss this step—input the Kalshi promo code TSN15 when prompted during registration.
- Make a Deposit: Fund your new account with a first-time deposit of at least $1.
- Start Trading: Make $10 worth of trades on the platform.
Here’s the best part: you don't have to risk $10 all on a single trade. You just need to reach a cumulative sum of $10 in trades. We're in this together, so whether you’re breaking up your trades into smaller, calculated moves or pooling it into one confident prediction, once you hit that $10 threshold, your $15 bonus is activated. You can then use those bonus funds to chase bigger payouts on the Orioles, Astros, Tigers, Angels, or any other matchup catching your eye tonight.

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