​Kalshi Promo Code TSN15: Get a $15 MLB Bonus After $10 in Predictions originally appeared in The Sporting News. Add The Sporting News as a Preferred Source by clicking here. Activating the Kalshi promo code TSN15 is the smartest way to step up to the plate. This welcome offer, available exclusively to new customers who register here, unlocks a $15 bonus after you place $10 in trades.
We’re in this together, so I’m showing you exactly how to use this bankroll boost for Sunday’s MLB slate. Whether you’re eyeing the 54-win Atlanta Braves visiting the St. Louis Cardinals or the 61-win Los Angeles Dodgers hosting the Arizona Diamondbacks, this promo gives us a real chance to chase bigger payouts with confidence.
Kalshi Promo Code: TSN15
New User Offer: $15 Bonus
Terms and Conditions: 18+ and present in the US
Date Last Verified: July 12, 2026
This offer is strictly available to new Kalshi customers and is the perfect spark to kickstart your trading bankroll. To claim the reward, simply make a minimal first-time deposit of at least $1. Your $15 sign-up bonus fully unlocks once you’ve placed $10 in trades on Kalshi’s prediction markets.
I love a low-risk opportunity, and this lets us join in today’s MLB slate without worrying about the initial stake. You can back the Houston Astros with Cristian Javier on the mound or ride with the Texas Rangers and MacKenzie Gore.
What makes Kalshi a real game-changer for handicappers is its legality across all 50 states. If you’re at least 18 years old, you’re eligible. Just register, meet the $1 deposit and $10 trade requirements, and start deploying that bonus toward exciting matchups, such as Kevin Gausman and the Toronto Blue Jays taking on Germán Márquez and the San Diego Padres.
Matchups to watch:
– ATL @ STL: 45.6% / 54.4%
– HOU @ TEX: 44.7% / 55.3%
– ARI @ LAD: 35.4% / 64.6%
– TOR @ SD: 53.7% / 46.3%
Strategy and potential payouts: If you place the qualifying $10 trade on today’s biggest moneyline favorite—the Los Angeles Dodgers—a winning prediction could yield a modest profit of about $4.88. If you’re feeling bolder and target the day’s largest underdog, the Arizona Diamondbacks, you could see approximately $17.20 in winnings if they pull off the upset. There’s nothing better than tagging a heavy plus-money ticket.
From a handicapping perspective, a quick look at the stats explains why the Dodgers are the morning-line favorite. Offensively, Los Angeles is thriving with a team OPS of .784 and 501 total runs, outpacing Arizona’s .693 OPS and 411 runs. On the mound, L.A. also holds a clear edge with a 3.50 team ERA and a 1.13 WHIP, compared to Arizona’s 4.22 ERA and 1.27 WHIP. Those numbers help explain why Los Angeles stands out as a solid anchor for your bets.