Arizona Diamondbacks vs San Diego Padres Prediction
Final score: Diamondbacks 4–9 Padres ·Engine pick: San Diego Padres to win ✓ Correct
Diamondbacks
86-76 · L2
Padres
91-71 · W2
Final Result & Grading
Graded 2026-09-28 07:00:17 · engine mlb-sim-1.1.
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
| Diamondbacks | Padres | |
|---|---|---|
| Record | 86-76 | 91-71 |
| Win % | .531 | .562 |
| Division | NL West | NL West |
| Division rank | 3rd | 2nd |
| Games back | 14.0 | 9.0 |
| Last 10 | 6-4 | 8-2 |
| Streak | L2 | W2 |
| Home record | 45-36 | 51-30 |
| Away record | 41-40 | 40-41 |
| Runs scored/gm | 4.56 | 4.46 |
| Runs allowed/gm | 4.51 | 4.20 |
| Run differential | +9 | +41 |
How The Model Sees It
The engine makes San Diego Padres a 51.3% 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.
Diamondbacks come in 6-4 over their last 10, scoring 6.20 and conceding 5.10 runs a game. Padres are 8-2 in their last 10 at 6.30 scored and 4.40 allowed. Padres arrive in the better shape, though ten games is a short window and form is weighted lightly here.
On the mound it is Michael Soroka for Diamondbacks against Randy Vásquez for Padres — 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 +9 for Diamondbacks and +41 for Padres. Per game that is 4.56 scored against 4.51 allowed, versus 4.46 and 4.20. Padres hold the edge, though not by a margin that settles a single game.
Padres are 51-30 at home, Diamondbacks 41-40 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 8.1 runs — a middling run environment. Through the first five innings, before the bullpens take over, it favours Diamondbacks at 47% — 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. Against the de-vigged market the model rates Padres 9.7 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-1.1
