Final score: Diamondbacks 3–0 Pirates ·Engine pick: Arizona Diamondbacks to win ✓ Correct
Graded 2026-07-30 11:00:22 · engine mlb-sim-1.0.
Cyan is the model’s favourite, red the underdog.
Oldest on the left, most recent on the right — hover any result for the opponent and score.
| Diamondbacks | Pirates | |
|---|---|---|
| Record | 61-54 | 57-59 |
| Win % | .530 | .491 |
| Division | NL West | NL Central |
| Division rank | 2nd | 4th |
| Games back | 8.0 | 15.0 |
| Last 10 | 6-4 | 3-7 |
| Streak | W1 | L2 |
| Home record | 33-23 | 29-28 |
| Away record | 28-31 | 28-31 |
| Runs scored/gm | 4.58 | 5.05 |
| Runs allowed/gm | 4.52 | 4.82 |
| Run differential | +7 | +27 |
The engine makes Arizona Diamondbacks a 58.4% pick to win — a modest edge, real but the kind that loses often enough to sting. Baseball punishes certainty: the best team in the league still loses roughly four nights in ten. It is filed as lean, the third tier — a directional lean rather than a confident call.
Diamondbacks come in 6-4 over their last 10, scoring 6.40 and conceding 5.50 runs a game. Pirates are 5-5 in their last 10 at 4.40 scored and 4.60 allowed. Diamondbacks arrive in the better shape, though ten games is a short window and form is weighted lightly here.
On the mound it is Eduardo Rodriguez for Diamondbacks against Jared Jones for Pirates — 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 +7 for Diamondbacks and +27 for Pirates. Per game that is 4.58 scored against 4.52 allowed, versus 5.05 and 4.82. Pirates hold the edge, though not by a margin that settles a single game.
Pirates are 29-28 at home, Diamondbacks 28-31 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 9.4 runs — a middling run environment. Through the first five innings, before the bullpens take over, it favours Pirates at 52%. Against the de-vigged market the model rates Pirates 25.8 points higher than the books. That disagreement is the interesting part — the market is sharp, so a departure usually traces to one specific input rather than noise.
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
Modelled probabilities from a deterministic engine, not betting advice. Every pick is published before the game and graded after it on the accuracy page.