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The San Diego Padres host the Arizona Diamondbacks on September 27, 2026. First pitch from Petco Park is scheduled for 3:10 p.m. EDT. The game will be broadcast on ARID.
The Diamondbacks are favored by -142 on the moneyline and by -1.5 on the run line. The Padres are +120 on the moneyline and +1.5 on the run line. The total is set at 8 runs.
Find my MLB picks and Diamondbacks vs Padres prediction below, as well as probable pitchers, weather report, and more.
Diamondbacks vs Padres Prediction
- Diamondbacks vs Padres Pick: Under 8 (Play to 7.5)
My Diamondbacks vs Padres best bet is the Under. Make sure to find the best odds by checking our live MLB odds page.
Diamondbacks vs Padres Odds
| Diamondbacks Odds | ||
|---|---|---|
| Spread | Total | Moneyline |
-1.5 -140 | 8 -105o / -115u | -142 |
| Padres Odds | ||
|---|---|---|
| Spread | Total | Moneyline |
+1.5 +117 | 8 -105o / -115u | +120 |
- Diamondbacks vs Padres moneyline: Diamondbacks -142, Padres +120
- Diamondbacks vs Padres over/under: 8 (-105o / -115u)
- Diamondbacks vs Padres spread: Diamondbacks -1.5 (+117), Padres +1.5 (-140)
Diamondbacks vs Padres Probable Pitchers
| Mike Soroka (RHP) | Stat | Randy Vasquez (RHP) |
|---|---|---|
| 9-5 | W-L | 10-6 |
| 2.7 | fWAR (FanGraphs) | 1.2 |
| 3.31/4.07 | ERA / xERA | 4.01/5.61 |
| 3.09/3.63 | FIP / xFIP | 4.32/4.82 |
| 18.3 | K-BB% | 8.5 |
| 36.7 | GB% | 39.9 |
| .282 | BABIP | .288 |
| 94 | Stuff+ | 97 |
| 104 | Location+ | 103 |
Diamondbacks vs Padres MLB Betting Preview
San Diego closes out the regular season at home against Arizona in the final series before the playoffs, with the Padres locked into their postseason positioning and largely playing out the string.
Randy Vasquez takes the mound for San Diego, while Michael Soroka starts for Arizona.
Neither offense has been overwhelming lately; the Diamondbacks rank 12th in the league at 4.5 runs a game, while the Padres sit 19th at 4.40, and Petco Park's reputation as a pitcher's park is part of the backdrop for tonight's total.
Diamondbacks vs Padres Pick, Betting Analysis
Petco Park's defining weather feature is its marine layer, and it's the central piece of the BARTOLO model's read on tonight.
The default evening pattern at Petco is a light onshore wind out of the southwest, typically 6 to 12 miles per hour, blowing out toward left-center — but carrying dense, cool, marine-influenced air that suppresses fly-ball carry rather than helping it. That combination is a big reason Petco consistently ranks as one of the tougher home run environments in baseball; the only real exception is a warm, dry, offshore-flow day, which is rare and not the pattern in play this afternoon.
With the typical onshore marine setup expected, the BARTOLO model's weather-adjusted outlook projects a total of 7.16 runs, comfortably under tonight's line.
The matchup context supports leaning into that read rather than fighting it. Both offenses have been middle-of-the-pack to below-average scoring clubs for most of the season, and with San Diego already settled into its playoff seed, there's little added incentive for the Padres to push for extra runs late in a game that's otherwise low-stakes.
Between the suppressive marine air Petco is known for, two offenses that haven't been scoring at a high clip, and a Padres club without much urgency in the season's final games, the under profiles as the side with the edge today.
Pick: Under 8 (Play to 7.5)
