St. Louis Cardinals vs Arizona Diamondbacks Prediction
Final score: Cardinals 3–5 Diamondbacks ·Engine pick: St. Louis Cardinals to win ✗ Missed
Cardinals
57-58 · W1
Diamondbacks
61-54 · W1
Final Result & Grading
Graded 2026-07-19 11:00:29 · engine mlb-sim-1.0.
Pre-Game Win Probabilities
Cyan is the model’s favourite, red the underdog.
Starting Pitchers
Recent Form
Oldest on the left, most recent on the right — hover any result for the opponent and score.
Team Stats · 2026 Season
| Cardinals | Diamondbacks | |
|---|---|---|
| Record | 57-58 | 61-54 |
| Win % | .496 | .530 |
| Division | NL Central | NL West |
| Division rank | 3rd | 2nd |
| Games back | 15.0 | 8.0 |
| Last 10 | 4-6 | 6-4 |
| Streak | W1 | W1 |
| Home record | 28-32 | 33-23 |
| Away record | 29-26 | 28-31 |
| Runs scored/gm | 4.34 | 4.58 |
| Runs allowed/gm | 4.43 | 4.52 |
| Run differential | -10 | +7 |
How The Model Sees It
The engine makes St. Louis Cardinals a 51.8% pick to win — the thinnest of leans, barely past a coin flip. Baseball punishes certainty: the best team in the league still loses roughly four nights in ten. It is filed as coin flip, the bottom tier: the inputs point in different directions and the engine is not claiming to know. That is published rather than dressed up.
Cardinals come in 5-5 over their last 10, scoring 4.80 and conceding 3.80 runs a game. Diamondbacks are 5-5 in their last 10 at 5.10 scored and 4.10 allowed. Neither side arrives with momentum the other lacks.
On the mound it is Dustin May for Cardinals against Brandon Pfaadt for Diamondbacks — the largest single input on this page. One start moves a baseball projection further than a full lineup change would, which is why the engine waits for both probables before scoring a game.
Season run differential reads -10 for Cardinals and +7 for Diamondbacks. Per game that is 4.34 scored against 4.43 allowed, versus 4.58 and 4.52. Diamondbacks hold the edge, though not by a margin that settles a single game.
Diamondbacks are 33-23 at home, Cardinals 29-26 on the road. Home advantage in baseball is real but small — historically worth something near 54%, not the lopsided edge it carries elsewhere — so the splits inform this projection without dominating it. The ballpark matters more than the venue: run environment varies more between parks than between lineups.
The projected total is 8.9 runs — a middling run environment. Through the first five innings, before the bullpens take over, it favours Cardinals at 50% — under half because the first five is a three-way market: five innings can finish level, and that outcome takes a share of the book. Model and de-vigged market land within a couple of points of each other, which is a calibration check passed rather than an opportunity found — worth saying plainly.
This pick was published before first pitch and graded against the final score above — right or wrong, it stays on the page.
8th Day Engine · mlb-sim-1.0
