SportsJaw
LeaderboardToday's GamesPredictionsBest BetsConsensus PicksMake Picks
Login / Sign In
Today's GamesLatest PredictionsToday’s Best BetsConsensus PicksTeam PredictionsHead-to-Head MatchupsSJ CoinsAbout SportsJawContact UsLogin / Sign In
HomeMatchupsMake PicksLeaders
SportsJaw

The social platform for sports bettors.

Explore SportsJaw

  • Today’s Picks
  • Latest Predictions
  • Best Bets
  • Leaderboard
  • Make Picks
  • Consensus Picks
  • Team Predictions
  • Head-to-Head

Picks by Sport

  • NFL Picks
  • NCAAF Picks
  • NBA Picks
  • NCAAB Picks
  • MLB Picks
  • NHL Picks

About SportsJaw

  • How It Works
  • SJ Coins
  • Terms
  • Privacy
  • Contact Us

© 2026 SportsJaw. For entertainment purposes only. SportsJaw does not accept or place wagers.

MLB MatchupsFri 9:40 PM ET
Arizona Diamondbacks logo
Arizona
Diamondbacks
B. Pfaadt RHP
versus
San Diego Padres logo
San Diego
Padres
C. Mize RHP
MLB · ARI at SD

Your Picks on Diamondbacks vs Padres

Picks close 15 minutes before game time (ET)
Runline
Moneyline
Total

Arizona vs San Diego consensus picks

ARI41%
59%SD
Expert picks

Top handicapper on this matchup

Selected from available sellers by MLB bankroll over the last 30 days. Selections unlock after purchase.

Tip to unlock expert picks

Emc

18-23 record · 43.90% wins
Last 30 days · MLB

$1,000 pick on the moneyline

Arizona Diamondbacks vs San Diego Padres Predictions Today: Brandon Pfaadt vs Casey Mize

Game time: September 25, 2026 at 9:40 PM ET

Venue: Petco Park — San Diego, California

Article updated Sep 25, 3:01 AM EDT

By SportsJaw Editorial Team

The Arizona Diamondbacks are projected to beat the San Diego Padres 4-3 on September 25. Brandon Pfaadt’s strong results against San Diego and recent control give Arizona a slight pitching advantage if Casey Mize starts. With the Padres starter still unconfirmed officially, plus San Diego’s stronger home record and bullpen ERA, the supplied prices produce no actionable wager. The official recommendation is Pass.

Arizona Diamondbacks vs San Diego Padres prediction and best bet

Arizona is the pick to win 4-3, with low confidence. Pfaadt has allowed no earned runs in two starts against San Diego this season, and his six walks across his last seven appearances offer a useful foundation for another competitive outing. Mize’s recent struggles would strengthen Arizona’s case if he takes the mound.

The betting decision is Pass. Covers lists Mize, but MLB’s probable-pitchers page leaves San Diego’s starter to be announced. That uncertainty matters when weighing Arizona +115 against San Diego -135. The Padres also bring a 49-29 home record and the lower bullpen ERA. Arizona gets the narrow forecast advantage without earning an official wager.

Odds, game time and how to watch

Game: Arizona at San Diego, 2026 MLB regular season. First pitch: Friday, September 25, at 9:40 p.m. ET. Venue: Petco Park.

Records: Arizona 85-74 overall, 40-38 away; San Diego 89-70 overall, 49-29 home.

Starters: Arizona right-hander Brandon Pfaadt. Covers lists right-hander Casey Mize for San Diego; MLB’s probable-pitchers page lists the Padres starter as to be announced.

SportsJaw moneylines: Arizona +115; San Diego -135.

Run lines: Arizona +1.5 (-200); San Diego -1.5 (+170).

Total: Over 7.5 (-105); Under 7.5 (-117).

Arizona Diamondbacks outlook

Pfaadt gives Arizona its strongest reason for optimism. His 2026 season includes 28 appearances, 18 starts and 128 1/3 innings with a 3.72 ERA. Covers records 120 hits, 57 runs, 53 earned runs, 14 home runs, 29 walks and 87 strikeouts. His control is particularly relevant against a Padres team that could otherwise exploit Arizona’s recent relief struggles.

The latest outings are mixed. On September 19 against the Yankees, Pfaadt allowed four hits and one earned run in 4 1/3 innings, walking one and striking out three. On September 12 against Texas, he surrendered 10 hits and six earned runs in 6 2/3 innings despite issuing no walks and recording seven strikeouts. Over his last seven appearances, he has a 4.43 ERA with 33 strikeouts and six walks in 42 2/3 innings.

His two 2026 starts against San Diego were better: five scoreless innings on July 6, followed by 6 2/3 innings with one unearned run on August 3. That history favors Arizona, but protecting a lead could be difficult. Its bullpen has a 3.91 ERA and surrendered eight earned runs over nine innings in its last three listed games.

San Diego Padres outlook

San Diego’s 49-29 home record is the strongest team-level counterweight to the Arizona forecast. The Padres also own the lower bullpen ERA, 3.46, and their relievers allowed three earned runs in 13 innings across the last three listed games. Those results favor San Diego in a close finish, although that workload leaves individual reliever availability an important unanswered question.

If Mize starts, his season record offers more reassurance than his recent outings. MLB lists him at 6-9 through 25 starts, with 127 1/3 innings, a 3.96 ERA, 109 strikeouts and a 1.19 WHIP. Across his last seven games, however, he allowed 35 hits and 20 earned runs in 31 1/3 innings, with 12 walks and 17 strikeouts. His ERA over that stretch is 5.74.

On September 19 against Miami, Mize allowed five earned runs and five walks in three innings. On September 14 at Colorado, he limited the damage to two earned runs in five innings despite eight hits and no strikeouts. He also surrendered eight earned runs in 3 1/3 innings at Arizona on August 5. These are meaningful concerns, but they remain conditional matchup factors until San Diego confirms its starter.

Key matchup factors

Pfaadt’s history extends beyond two starts: the current Padres roster has a .258 average and .289 wOBA against him over 166 career plate appearances, according to Baseball Savant. That is an individual pitcher matchup sample, not San Diego’s offensive split against all right-handers.

The September 25 consensus update at 06:50 UTC favors San Diego -135 at 61% in the blend, while SportsJaw’s community leader is Arizona +115. The combined modeled tally is 368 San Diego selections to 236 Arizona selections, not an observed sportsbook ticket count. Arizona gained three percentage points from the previous snapshot. Those preferences offer context, not a measured win probability or a reason by themselves to back either side.

Arizona Diamondbacks vs San Diego Padres spread prediction

Pass on Arizona +1.5 (-200) and San Diego -1.5 (+170). The projected one-run Arizona victory fits the Diamondbacks run line, but paying -200 requires more conviction about their ability to stay close than this matchup warrants. A favorable score forecast alone is insufficient justification for that price.

San Diego -1.5 (+170) offers a larger return but requires a win by at least two runs. Pfaadt’s success against the Padres weighs against that outcome, while Arizona’s recent bullpen trouble keeps it plausible. Neither run line earns a recommendation.

Arizona Diamondbacks vs San Diego Padres total prediction

Pass on Over 7.5 (-105) and Under 7.5 (-117). The seven-run projection sits below the total, with Pfaadt’s matchup history and San Diego’s relief results supplying the main Under arguments. The margin is small, and Pfaadt’s six-earned-run outing against Texas shows how quickly that expectation could change.

Mize’s recent struggles, if he starts, and Arizona’s eight bullpen earned runs across nine recent innings pull toward the Over. The unsettled Padres rotation assignment adds another variable. Neither direction has enough support at its supplied price.

Arizona Diamondbacks vs San Diego Padres projected score

Game forecast: Arizona Diamondbacks 4, San Diego Padres 3. Pfaadt’s control and previous success against San Diego give the Diamondbacks a slight advantage. His recent results have fluctuated, so the forecast depends on a competitive start rather than another scoreless performance.

The strongest opposing case is San Diego’s combination of home results and a bullpen with the lower season ERA. A short Arizona start could put more responsibility on a relief group coming off three difficult games. Mize’s uncertain assignment further limits confidence in the pitching comparison. Arizona remains the projected winner with low confidence; both run lines and both total directions are passes. The single official SportsJaw betting recommendation is Pass.

SportsJawGame Predictions
Predicted score

ARI4

SD3

Projected winner Arizona DiamondbacksConfidenceSlight Lean — Arizona Diamondbacks
Pick on the Spread

Slight Lean — Arizona Diamondbacks +1.5

Editorial pick at publication: Pass on Arizona Diamondbacks +1.5 (-200) and San Diego Padres -1.5 (+170)

Pick on the Total

Slight Lean — Under 7.5

Editorial pick at publication: Pass on Over 7.5 (-105) and Under 7.5 (-117)

Sources

  • CoversDiamondbacks vs Padres Game Overview, Stats, Injuries, Records - MLB Game on September 25, 2026
  • MLB / Baseball SavantBaseball Savant Probable Pitchers
  • MLB.com / San Diego PadresCasey Mize Stats, Age, Position, Height, Weight, Fantasy & News | San Diego Padres

SportsJaw Diamondbacks vs Padres game preview analysis and predictions incorporate current odds, injury reports, team statistics and market data. Information is updated regularly, but lines and player availability can change. Please confirm current information before wagering. View history of past Diamondbacks vs Padres matchups or learn how our predictions work.

Keep browsing

More MLB matchups

Compare predictions, consensus picks and recorded odds for other MLB games on this slate.

View all MLB games
MLBFri 4:05 PM
BAL+115
NYY-138
O/U6.5
Matchup Coming Soon
MLBFri 6:00 PM
CHC-116
BOS-102
O/U6.5
Matchup Coming Soon
MLBFri 6:40 PM
TB+146
PHI-163
O/U6.5
MLBFri 6:40 PM
PIT-109
DET-110
O/U8
MLBFri 6:45 PM
NYM-135
WSH+113
O/U8.5
MLBFri 7:07 PM
CIN+116
TOR-136
O/U7.5
MLBFri 7:10 PM
ATL-125
MIA+105
O/U8.5
Matchup Coming Soon
MLBFri 7:40 PM
CLE-140
KC+120
O/U7.5
MLBFri 7:40 PM
STL+150
MIL-175
O/U8
Matchup Coming Soon
MLBFri 7:40 PM
COL+190
CHW-225
O/U8
Matchup Coming Soon
MLBFri 8:10 PM
TEX-110
MIN-110
O/U7.5
Matchup Coming Soon
MLBFri 9:40 PM
HOU-172
OAK+144
O/U8.5
Matchup Coming Soon
MLBFri 10:10 PM
LAA+112
SEA-132
O/U7
Matchup Coming Soon
MLBFri 10:15 PM
LA-375
SF+300
O/U7.5
Matchup Coming Soon