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Sporting KC at St. Louis City SC: A 77-Point Elo Gap Hits the I-70 Derby

Sporting KC has drawn seven of its last ten and sits 30th in the league. St. Louis City just snapped a run of its own with a fresh win. The Call gives the home side a strong 68.8% — and this rivalry has a history of humbling favorites.

Sporting Kansas City has drawn seven of its last ten MLS games — a stalemate streak that leaves the league’s 30th-ranked side rarely losing outright and just as rarely winning. St. Louis City just snapped a run of its own, riding a fresh one-game win streak into a rivalry date that The Call has largely settled before kickoff.

What The Call sees

The Call gives St. Louis City a 68.8% chance to win at home, a strong-confidence read that’s mostly about the gap between these two rosters. St. Louis City’s Elo sits at 1496, 15th in the league; Sporting KC is 77 points back at 1419, 30th of 30. Layer on the form split — St. Louis City 4-3-3 over its recent window against Sporting KC’s 2-1-7 — and the number mostly writes itself. Nothing else needed to move it: our factors panel shows no adjustments applied. Rest reads even for both sides, and even sending Sporting KC on a roughly 403km trip down I-70 wasn’t enough on its own to register as a factor. This is a rating-and-form call, not a situational one.

What could break the pick

Sporting KC’s season is defined less by how often it loses than by how often it just doesn’t win. A 3-2-9 record through 14 games means nine draws already — and seven of those have come in the club’s last ten matches alone. That’s a team that keeps finding a way to avoid a loss without ever putting a game away, which is its own kind of mayhem risk: a side built to steal a point can turn a comfortable favorite into a 1-1 bore just as easily as it can lose big. St. Louis City, for its part, is working with a much thinner margin than a 68.8% number suggests — 4-4-6 overall, 15th by Elo, and its one-game win streak is the first real building block after a stretch that hadn’t produced one.

Then there’s the rivalry itself. This is the I-70 Derby, one of MLS’s more geographically charged matchups — Kansas City and St. Louis have been needling each other since St. Louis City joined the league in 2023, and the two have already met with real stakes on the line: Sporting KC, the No. 8 seed, upset St. Louis City’s No. 1 seed in the 2023 MLS Cup playoffs. St. Louis City holds a 3-2-3 edge in the series overall and has been part of some high-scoring nights along the way — 18 goals across their last seven meetings. None of that shows up in an Elo number, and it’s exactly the kind of history that can turn a model’s comfortable favorite into a tighter night than the math promises.

Making the drive down I-70 for this one, or flying into St. Louis around it? Our full Energizer Park guide covers where to stay, how to get in, and what game day actually looks like at the stadium.

FAQ

How big is the Elo gap between these two teams?

77 points — St. Louis City sits at 1496 (15th in the league), Sporting KC at 1419 (30th, next-to-last). That gap, combined with the form split, is what's driving the 68.8% number.

Why does Sporting KC draw so many games?

The pattern is in the record, not a diagnosis we can verify beyond it: Sporting KC is 3-2-9 through 14 games this season, with seven of those draws coming in its last ten alone. That's a team piling up points a half-step at a time rather than winning matches outright.

Is there real playoff history between Kansas City and St. Louis?

Yes. The two clubs met in the 2023 MLS Cup playoffs, where the No. 8-seeded Sporting KC upset the No. 1-seeded St. Louis City. St. Louis City holds a 3-2-3 edge across their meetings overall, with 18 goals scored across their last seven matchups.

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