Milwaukee vs St. Louis

The event centers on the July 6, 2026 MLB regular-season game between the Milwaukee Brewers and the St. Louis Cardinals, first pitch scheduled for 7:45 PM ET. Polymarket ran a straightforward moneyline where the market resolves to whichever team wins, while Kalshi carved the same matchup into dozens of derivatives — run totals, first-five-inning spreads, team totals, and player props for arms like Dustin May and Shane Drohan and bats including Jackson Chourio, William Contreras, Jordan Walker and Ivan Herrera. On the headline moneyline, Milwaukee is the favourite at a consensus 72.5%, though the pricing diverges sharply across venues: Polymarket has the Brewers at 72.5% while Kalshi's yes-side sits at just 52.0%, a 20.5-point spread. The Cardinals show the mirror image, at 27.5% on Polymarket versus 49.0% on Kalshi — a gap that almost certainly reflects thin closing liquidity on the Kalshi contract rather than a genuine disagreement, given the event is already closed. Totals markets lean firmly to the over, with over 2.5 runs at 97.0%, over 4.5 at 85.0% and over 7.5 at 55.0%, implying a run environment in the eight-run range. Dustin May clearing two strikeouts prices at 92.0%, and Shane Drohan recording 4+ outs sits at 64.0%. Taken together, Polymarket's moneyline reads Milwaukee as a clear favourite while Kalshi's stale line looks like a coin flip — a spread wide enough to flag as a data artifact rather than a real market signal.