Diamondbacks vs Padres Prediction — AI Finds CAN'T MISS MLB Lines & Props (Jul 09)
Updated: 2025-07-07T03:31:50.923562ZBy Remi at Leans.AI — AI picks for ATS, ML, OU & props
On July 9, 2025, the Arizona Diamondbacks (45–47) face the San Diego Padres (49–42) at Petco Park in San Diego, with first pitch scheduled for 9:40 PM EDT. This National League West matchup features Diamondbacks’ right-hander Brandon Pfaadt (8–6, 5.32 ERA) against Padres’ right-hander Dylan Cease (3–8, 4.62 ERA), as both teams aim to improve their standings in the division.
Get key insights, betting trends, and AI-powered predictions to help incorporate into your betting strategies.

GAME INFO
Date: Jul 09, 2025
Start Time: 9:40 PM EST
Venue: Petco Park
Padres Record: (49-42)
Diamondbacks Record: (45-47)
OPENING ODDS
ARI Moneyline: +118
SD Moneyline: -141
ARI Spread: +1.5
SD Spread: -1.5
Over/Under: 8
ARI
Betting Trends
- The Diamondbacks have a 22–22 record against the spread (ATS) in away games this season, reflecting a balanced performance on the road.
SD
Betting Trends
- The Padres hold a 28–16 ATS record at home, indicating a strong tendency to cover the spread when playing at Petco Park.
MATCHUP TRENDS
- The Padres are favored with a -1.5 run line at +158 odds, while the Diamondbacks are +1.5 underdogs at -181. The over/under for the game is set at 8.5 runs, suggesting expectations of a moderately high-scoring affair.
ARI vs. SD
Best Prop Bet
- Remi's searched hard and found the best prop for this matchup: L. Arraez over 5.5 Fantasy Score.
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Arizona vs San Diego Prediction & Odds:
Free MLB Betting Insights for 7/9/25
On the other side, Arizona has been leaning heavily on slugger Eugenio Suárez, who already has 28 home runs and 73 RBIs, alongside the speed and developing power of Corbin Carroll, who recently hit his 20th home run of the season. The Diamondbacks are scoring 5.12 runs per game and have a better team OBP (.327) than the Padres (.303), which makes them dangerous if they can keep runners on base and put pressure on Cease early. However, Arizona’s pitching remains its Achilles heel, as Pfaadt’s struggles mirror those of a rotation that has lacked consistency and often puts the bullpen in tough spots. Defensively, neither team has been especially sharp—Arizona has committed 45 errors and San Diego 43—but the Padres’ familiarity with Petco Park and their crowd energy gives them a slight edge. Arizona leads the season series 3–2, but both teams have alternated wins, making this game something of a rubber match in momentum. If the Padres can get a solid five or six innings out of Cease and minimize free passes, they’ll be in a strong position to pull ahead late. But if Suárez and Carroll start teeing off early and Pfaadt can manage to limit hard contact, Arizona could flip the script and take a much-needed road win. With a modest 8.5 run total and relatively even moneylines, this contest may come down to which team plays cleaner defense, executes with runners in scoring position, and avoids bullpen implosions. It’s a critical test for two flawed but talented clubs jockeying for relevance in the NL playoff chase.
Final. pic.twitter.com/wUxJNnvFSM
— Arizona Diamondbacks (@Dbacks) July 9, 2025
Arizona Diamondbacks MLB Preview
The Arizona Diamondbacks head into their July 9 matchup against the San Diego Padres with a 45–47 record and plenty to prove as they continue to navigate a turbulent but competitive season in the NL West. One of their brightest spots has been their offense, which averages an impressive 5.12 runs per game and is powered by a combination of emerging stars and established sluggers. Leading the charge is third baseman Eugenio Suárez, who has launched 28 home runs and driven in 73 RBIs, making him one of the most dangerous power hitters in the National League. Corbin Carroll adds a dynamic element to the lineup with his mix of speed and power, recently surpassing 20 homers for the third straight season and providing consistent spark in the top half of the order. Their .327 team OBP puts constant pressure on opposing pitchers, and their ability to force long at-bats and get runners on base has allowed them to capitalize when Suárez, Lourdes Gurriel Jr., or Christian Walker come up in big spots. The biggest question mark remains on the pitching side, particularly in the starting rotation, where Brandon Pfaadt will take the mound with an 8–6 record and a 5.32 ERA. Pfaadt has been serviceable but erratic, struggling with command and allowing too many big innings, particularly early in games when he’s trying to establish his fastball. When Pfaadt can get through the first few frames unscathed, he tends to settle in and work deeper into games, but if the Padres’ top bats jump on him early, it could be another short outing that taxes a bullpen already stretched thin.
Defensively, Arizona has committed 45 errors, which is neither elite nor catastrophic but has hurt them in several tight games, especially when paired with shaky late-inning pitching. Still, they’ve been a .500 team on the road with a 22–22 record, which suggests they’re capable of hanging in tough environments and executing well away from home when the lineup hits. Their 32–9 record when out-hitting opponents highlights just how important offensive rhythm is for this team; when they get rolling, they can overwhelm even solid pitching staffs. Manager Torey Lovullo will look to be aggressive with pitching changes if Pfaadt falters, and he’ll likely lean on middle relievers like Miguel Castro and Joe Mantiply to bridge to the later innings. With a 3–2 edge in the season series over San Diego, the Diamondbacks enter with some confidence and familiarity, and if Suárez can connect for a key extra-base hit and Carroll finds ways to disrupt the Padres’ rhythm on the base paths, Arizona could be in position to steal another divisional road win. But for that to happen, they’ll need cleaner execution defensively and more consistency from the mound to avoid another mid-game collapse in a year that’s already featured too many of them.

Credit: USA TODAY/IMAGN
San Diego Padres MLB Preview
The San Diego Padres return to Petco Park on July 9, 2025, to host the Arizona Diamondbacks in a key NL West matchup as they look to strengthen their playoff positioning and continue building on a solid 49–42 record. Their home performance has been a cornerstone of their success this season, with a 28–16 mark at Petco that reflects their comfort level and ability to capitalize on friendly confines and enthusiastic crowds. Led by manager Mike Shildt, the Padres have found ways to win close games and use their bullpen effectively when given a lead, which has helped compensate for some inconsistencies in starting pitching and offense. Right-hander Dylan Cease will take the mound looking to turn around his season after a disappointing 3–8 record and 4.62 ERA despite flashes of elite stuff; Cease has shown the ability to dominate but struggles when he falls behind in counts or leaves pitches up in the zone. Offensively, San Diego doesn’t have overwhelming power numbers, averaging just 4.08 runs per game and totaling 75 home runs as a team, but they get timely contributions from core players like Fernando Tatis Jr., who leads the team with 15 home runs and continues to set the tone both at the plate and in the field.
Manny Machado has been the club’s steadiest hitter, batting .292 and consistently driving in runs, while Ha-Seong Kim and Jake Cronenworth provide invaluable defensive range and situational hitting that often keeps innings alive. The Padres’ .303 team OBP is middling by league standards, but they make up for it by maximizing opportunities with runners in scoring position, especially at home where their offense tends to come alive in the middle innings. Defensively, San Diego has committed 43 errors, which places them near the league average, though occasional lapses have led to tough losses in otherwise winnable games. Still, the bullpen, featuring names like Robert Suarez and Wandy Peralta, has done a commendable job limiting damage in late-game scenarios and has protected narrow leads effectively—especially at home where their 29–8 record when scoring five or more runs shows how dangerous they are when the bats heat up. Against an Arizona team that hits well but struggles with pitching depth and defensive consistency, the Padres will look to jump on starter Brandon Pfaadt early and put pressure on the Diamondbacks’ bullpen to cover too many innings. If Cease can give San Diego five competitive innings without surrendering multiple big hits, the bullpen and defense are typically strong enough to carry the team the rest of the way. Expect Shildt to manage aggressively with in-game matchups, especially if the Padres can get a lead and push Pfaadt into high pitch counts. With the season series tied 2–2 and both clubs jockeying for divisional momentum, the Padres have a prime opportunity to take control at home, where their track record and ability to play to the moment gives them a slight but meaningful edge.
He continues to build on his resume toward the Hall. pic.twitter.com/eS2t4sXxJM
— San Diego Padres (@Padres) July 8, 2025
Arizona vs. San Diego Prop Picks (AI)
Arizona vs. San Diego Prediction (AI)

Remi, our AI sports genius, has been pouring over tons of data from every simulation between the Diamondbacks and Padres and using recursive machine learning and kick-ass AI to boil down the data to a single cover probability.
Interestingly enough, the data has been most watching on the unproportionally assigned weight human bettors regularly put on player performance factors between a Diamondbacks team going up against a possibly tired Padres team. Trends look to say the true game analytics appear to reflect a strong lean against one Vegas line specifically.
Unlock this in-depth AI prediction and all of our MLB AI picks for FREE now.
Below is our current AI Arizona vs San Diego picks, computer picks Diamondbacks vs Padres, best bets, model edges, confidence ratings.
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DATE | GAME | LEAN | %WIN | UNITS | LEVEL |
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MLB | 10/20 | SEA@TOR | UNLOCK THIS PICK | 2 |
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MLB | 10/20 | SEA@TOR | UNLOCK THIS PICK | 0 |
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These picks update as information changes—injury reports, weather, and market movement. Each line shows our model’s fair price, the edge versus the market, and a unit confidence rating (1–10). Odds and availability vary by sportsbook and time. Edges are computed against the listed price; value may change after line moves. Always shop for the best number. See the full MLB schedule.
Diamondbacks Betting Trends
The Diamondbacks have a 22–22 record against the spread (ATS) in away games this season, reflecting a balanced performance on the road.
Padres Betting Trends
The Padres hold a 28–16 ATS record at home, indicating a strong tendency to cover the spread when playing at Petco Park.
Diamondbacks vs. Padres Matchup Trends
The Padres are favored with a -1.5 run line at +158 odds, while the Diamondbacks are +1.5 underdogs at -181. The over/under for the game is set at 8.5 runs, suggesting expectations of a moderately high-scoring affair.
Arizona vs. San Diego Game Info
What time does Arizona vs San Diego start on July 09, 2025?
Arizona vs San Diego starts on July 09, 2025 at 9:40 PM EST.
Where is Arizona vs San Diego being played?
Venue: Petco Park.
What are the opening odds for Arizona vs San Diego?
Spread: San Diego -1.5
Moneyline: Arizona +118, San Diego -141
Over/Under: 8
What are the records for Arizona vs San Diego?
Arizona: (45-47) | San Diego: (49-42)
What is the AI best bet for Arizona vs San Diego?
Remi's searched hard and found the best prop for this matchup: L. Arraez over 5.5 Fantasy Score.. Prices move—always shop for the best number.
What are Arizona vs San Diego trending bets?
The Padres are favored with a -1.5 run line at +158 odds, while the Diamondbacks are +1.5 underdogs at -181. The over/under for the game is set at 8.5 runs, suggesting expectations of a moderately high-scoring affair.
What are Arizona trending bets?
ARI trend: The Diamondbacks have a 22–22 record against the spread (ATS) in away games this season, reflecting a balanced performance on the road.
What are San Diego trending bets?
SD trend: The Padres hold a 28–16 ATS record at home, indicating a strong tendency to cover the spread when playing at Petco Park.
Where can I find AI Picks for Arizona vs San Diego?
See our latest MLB picks and odds pages for 2025 to compare prices before you bet.
Arizona vs. San Diego Odds
AI algorithm Remi is pouring through tons of data on each line. In fact, anytime the Arizona vs San Diego trends are analyzed, there’s always several intriguing trends to key in on. Not to mention games played at extreme altitude can often follow normal, predictable patterns.
Arizona vs San Diego Opening Odds
ARI Moneyline:
+118 SD Moneyline: -141
ARI Spread: +1.5
SD Spread: -1.5
Over/Under: 8
Arizona vs San Diego Live Odds
Games | PTS | ML | SPR | O/U | |
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Oct 24, 2025 8:00PM EDT
Los Angeles Dodgers
Toronto Blue Jays
10/24/25 8PM
Dodgers
Blue Jays
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–
–
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-154
+130
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-1.5 (+116)
+1.5 (-140)
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O 7.5 (+100)
U 7.5 (-122)
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MLB Past Picks
Remi—our in-house AI—prices every game and prop using multi-season priors, tempo/efficiency, injury/usage signals, and market movement.
We publish fair prices, recommended “buy-to” numbers, and confidence so you can bet prices, not teams.
This preview covers Arizona Diamondbacks vs. San Diego Padres on July 09, 2025 at Petco Park.
Odds shown reflect widely available numbers and may update closer to kickoff.
Want more? Check live edges, player props, and line moves on our MLB odds pages, and compare prices before you place a bet.
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LEAN | %WIN | UNITS | RESULT |
---|---|---|---|---|
TOR@SEA | OVER 7 | 54.9% | 3 | WIN |
LAD@MIL | UNDER 7.5 | 56.6% | 6 | WIN |
TOR@NYY | OVER 8 | 54.9% | 4 | WIN |
TOR@NYY | CARLOS RODON OVER 1.5 TOTAL WALKS ALLOWED | 53.3% | 3 | WIN |
NYY@TOR | OVER 7.5 | 54.8% | 2 | WIN |
LAD@PHI | OVER 7 | 53.8% | 3 | WIN |
SD@CHC | CHC -109 | 53.8% | 3 | WIN |
SD@CHC | OVER 7.5 | 54.5% | 4 | LOSS |
SD@CHC | CHC -111 | 54.8% | 4 | LOSS |
CIN@LAD | SHOHEI OHTANI OVER 1.5 BASES | 53.5% | 3 | WIN |
BOS@NYY | OVER 7 | 53.8% | 3 | LOSS |
CIN@LAD | ELLY DE LA CRUZ OVER 0.5 BASES | 54.4% | 4 | LOSS |
ARI@SD | SD -131 | 57.3% | 4 | WIN |
DET@BOS | BOS -115 | 56.4% | 5 | WIN |
NYM@CHC | NYM -110 | 54.1% | 3 | WIN |
HOU@ATH | ATH +118 | 50.8% | 4 | WIN |
NYM@CHC | OVER 7 | 54.5% | 3 | WIN |
STL@SF | OVER 7.5 | 55.9% | 5 | LOSS |
KC@LAA | TYLER TOLBERT UNDER 1.5 BASES | 54.4% | 4 | WIN |
MIL@SD | UNDER 9 | 54.7% | 4 | WIN |
MIA@PHI | KYLE SCHWARBER OVER 1.5 HITS+RUNS+RBIS | 53.3% | 3 | WIN |
WAS@NYM | OVER 8.5 | 56.1% | 6 | LOSS |
LAA@COL | COL +108 | 50.5% | 3 | WIN |
TOR@KC | UNDER 9 | 54.7% | 4 | LOSS |
SEA@KC | KC +1.5 | 62.3% | 5 | LOSS |
NYY@MIN | OVER 9 | 55.1% | 4 | WIN |
MIA@COL | OVER 10.5 | 55.0% | 4 | WIN |
MIA@COL | AGUSTIN RAMIREZ OVER 1.5 HITS+RUNS+RBIS | 54.3% | 4 | WIN |
SEA@KC | BOBBY WITT UNDER 0.5 SINGLES | 54.4% | 4 | LOSS |
PHI@LAD | LAD -113 | 54.7% | 4 | LOSS |
NYY@BOS | OVER 7.5 | 54.3% | 3 | WIN |
KC@PHI | PHI -130 | 58.3% | 4 | WIN |
LAD@SF | OVER 7.5 | 54.7% | 4 | LOSS |
NYM@PHI | PHI -122 | 55.6% | 4 | WIN |
KC@CLE | KC -104 | 52.0% | 3 | WIN |
CIN@SD | JAKE CRONEWORTH OVER 0.5 HITS | 53.1% | 3 | WIN |
WAS@MIA | MIA -123 | 55.2% | 4 | LOSS |
LAA@KC | UNDER 9.5 | 54.9% | 3 | WIN |
TEX@ARI | UNDER 9 | 54.2% | 4 | WIN |
SF@COL | UNDER 11.5 | 56.4% | 6 | LOSS |
SF@COL | RAFAEL DEVERS OVER 1.5 BASES | 56.1% | 6 | WIN |
MIA@WAS | WAS -110 | 54.4% | 4 | WIN |
NYM@DET | OVER 8.5 | 54.5% | 4 | WIN |
TEX@ARI | UNDER 9.5 | 56.4% | 6 | WIN |
TEX@ARI | ALEJANDRO OSUNA UNDER 1.5 BASES | 54.1% | 4 | LOSS |
ATL@CHC | CHC -116 | 55.1% | 3 | WIN |
PHI@MIL | OVER 8.5 | 55.0% | 3 | WIN |
ARI@LAD | SHOHEI OHTANI OVER 2.5 BASES | 54.2% | 4 | WIN |
SEA@CLE | CLE +1.5 | 57.2% | 3 | WIN |
CHC@SF | CHC -105 | 54.1% | 4 | LOSS |
NYY@CHW | RYAN MCMAHON OVER 0.5 BASES | 54.1% | 4 | WIN |