Arizona Diamondbacks vs San Diego Padres Predictions Today: Michael Soroka vs Randy Vasquez
The Arizona Diamondbacks will beat the San Diego Padres, Arizona 4, San Diego 3, in our September 27 forecast. Michael Soroka's stronger season ERA, WHIP and strikeout production give Arizona a slight starting-pitching advantage. Randy Vásquez's recent improvement and San Diego's home record make this a low-confidence prediction, with no actionable wager at the supplied run-line or total prices.
Arizona Diamondbacks vs San Diego Padres prediction and best bet
Arizona gets the narrow forecast edge because Soroka brings the stronger season baseline and the Diamondbacks average slightly more runs per game. His advantage in strikeouts is particularly useful here: he has recorded more than Vásquez despite pitching fewer innings. That gives Arizona a credible route to controlling the early portion of the game.
Best bet: Pass. San Diego counters with better recent starter results, a stronger home record and a lower bullpen ERA. Those strengths make Arizona -1.5 (+136) a difficult sell. They also complicate the total: the starters offer reasons to expect restraint, but Saturday's scoring and short outings add uncertainty about the relief innings.
Odds, game time and how to watch
Game: Arizona at San Diego, MLB, September 27, 2026, at 3:10 p.m. EDT.
Venue: Petco Park. Broadcasts: Padres.TV and DBACKS.TV, according to MLB.
Records: Arizona 86-75, including 41-39 away; San Diego 90-71, including 50-30 at home.
Probable starters: Right-handers Michael Soroka for Arizona and Randy Vásquez for San Diego.
SportsJaw moneylines: Arizona -128; San Diego +107.

