Chicago White Sox vs. St. Louis Cardinals Prediction: MLB Matchup Preview for September 12, 2026

Chicago White Sox @ St. Louis Cardinals Prediction – September 12, 2026 As the 2026 MLB season enters its final stretch, the Chicago White Sox travel to St. Louis to take on the Cardinals in what projects to be a competitive, evenly matched late-season affair. The WP Baseball Predictor has issued a Slight Lean toward the Cardinals +1.5 , signaling a close game where the run line offers meaningful value. Here's a full breakdown of everything shaping this matchup. Starting Pitcher Matchup: Newcomb vs. Leahy The pitching duel at the heart of this game features two arms whose underlying metrics...