Diamondbacks vs. Padres prediction: San Diego favored to win Thursday's MLB matchup [7/9/2026]

MLB action continues on Thursday at 9:40 PM ET as the Arizona Diamondbacks square off with the San Diego Padres at Petco Park.

Griffin Canning (1-6, 6.71 ERA) will get the ball for the Padres, while the Diamondbacks are going with Merrill Kelly (6-8, 5.71 ERA).

Based on the latest simulation results, Dimers' proven MLB model gives the Padres a slight edge with a 52.5% win probability over the Diamondbacks.

This article offers a closer look at Thursday's Diamondbacks vs. Padres matchup, including best bets and picks.

Diamondbacks vs. Padres prediction: Who will win and cover?

Using trusted machine learning and data analysis, we have simulated the result of Thursday's MLB game between the Diamondbacks and Padres, forming part of our MLB predictions coverage.

Our leading predictive model currently gives the Padres a 52.5% chance of beating the Diamondbacks.

According to our model, the Diamondbacks (+1.5) have a 64.8% chance of covering the run line, while the over/under total of nine runs has a 51.9% chance of going over,.

Diamondbacks vs. Padres odds [7/9/2026]

We have sourced the best MLB odds in America for this game, which are listed here:

Bet Type	Diamondbacks	Padres
Run Line	+1.5 (-174)	-1.5 (+170)
Moneyline	+117	-120
Total	o9 (+100)	u9 (-110)

All odds are correct at the time of publication and are subject to change.

Diamondbacks vs. Padres picks and best bet

After matching our predictions against the best available odds, we can reveal our picks for each of the major markets. Plus, find our best bet for the game below:

Bet Type	Pick	Bet Now
Run Line	Diamondbacks +1.5	-174
Moneyline	Diamondbacks	novig+117
Total	Over 9	novig+100

According to our MLB best bets, the top play to make on this game is Diamondbacks to win.

These picks are based on our probabilities matched against the implied probabilities from the sportsbook odds.

Diamondbacks vs. Padres game-day updates and essential details

Thursday's MLB action between the Padres and Diamondbacks at Petco Park is scheduled to begin at 9:40 PM ET.

• Who: Arizona Diamondbacks vs. San Diego Padres
• Date: Thursday, July 9, 2026
• Time: 9:40 PM ET/6:40PM PT
• Venue: Petco Park

Conclusion

We predict the Padres, with a 52.5% win probability, will likely beat the Diamondbacks in Thursday's MLB matchup.

Additional tools and information for betting safely can be found in our Responsible Gambling hub.