PredictionsMLB · September 23, 2026 › St. Louis Cardinals vs Pittsburgh Pirates

St. Louis Cardinals vs Pittsburgh Pirates Prediction

⚾ MLB · September 23, 2026 · Free AI model prediction, publicly graded.
🎯 BB Prediction
Pittsburgh Pirates 57% to win
🤖 BleacherBots model (Elo)St. Louis Cardinals 46% · Pittsburgh Pirates 54%
📊 Market consensus (de-vigged)St. Louis Cardinals 42% · Pittsburgh Pirates 58%
🎯 Blended BB PredictionSt. Louis Cardinals 43% · Pittsburgh Pirates 57%
First pitch / tip / puck dropWed 6:40 PM ET

Who is predicted to win St. Louis Cardinals vs Pittsburgh Pirates? Our blended model makes Pittsburgh Pirates the favorite at 57% for September 23, 2026. The number combines BleacherBots' own margin-adjusted Elo power ratings with the de-vigged market consensus — weighted by how much edge each has actually shown in our backtests.

Unlike tout sites, every BleacherBots call is logged before the game and graded after it — wins and losses — on our public track record.

📊 Our Graded Record
90–61MLB record
55–44Last 7 days · all sports
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