Phillies vs Diamondbacks Prediction, Odds, Moneyline, Spread & Over/Under for Aug. 31

Odds updated as of 5:12 a.m.

On Monday in MLB, the Philadelphia Phillies are up against the Arizona Diamondbacks.

Before you do any MLB betting on this matchup at FanDuel Sportsbook, here's everything you need to know.

Phillies vs Diamondbacks Game Info

• Philadelphia Phillies (77-60) vs. Arizona Diamondbacks (73-65)
• Date: Monday, August 31, 2026
• Time: 9:40 p.m. ET
• Venue: Chase Field -- Phoenix, Arizona
• Coverage: Dbacks.TV and NBCS-PH

Phillies vs Diamondbacks Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: PHI: (-122) | ARI: (+104)
• Spread: PHI: -1.5 (+140) | ARI: +1.5 (-170)
• Total: 8.5 -- Over: (+100) | Under: (-122)

Phillies vs Diamondbacks Probable Starting Pitchers

Probable Pitchers: Aaron Nola (Phillies) - 5-10, 5.03 ERA vs Brandon Pfaadt (Diamondbacks) - 7-1, 3.51 ERA

The Phillies will look to Aaron Nola (5-10) versus the Diamondbacks and Brandon Pfaadt (7-1). Nola and his team are 9-18-0 ATS this season when he starts. Nola's team has been victorious in 43.8% of the games he's started as the moneyline favorite with a record of 7-9. The Diamondbacks have gone 13-1-0 against the spread when Pfaadt starts. The Diamondbacks have a 7-2 record in Pfaadt's nine starts this season when they were the moneyline underdog.

Phillies vs Diamondbacks Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Diamondbacks win (52.8%)

Phillies vs Diamondbacks Moneyline

• Looking at the moneyline for Phillies-Diamondbacks, Philadelphia is the favorite at -122, and Arizona is +104 playing at home.

Phillies vs Diamondbacks Spread

• The Diamondbacks are +1.5 on the spread (-170 to cover), and Philadelphia is +140 to cover the runline.

Phillies vs Diamondbacks Over/Under

• A combined run total of 8.5 has been set for Phillies-Diamondbacks on Aug. 31, with the over at +100 and the under at -122.

Bet on Philadelphia Phillies vs. Arizona Diamondbacks on FanDuel today!

Phillies vs Diamondbacks Betting Trends

• The Phillies have been victorious in 66, or 66%, of the 100 contests they have been chosen as favorites in this season.
• This year Philadelphia has won 60 of 90 games when listed as at least -122 on the moneyline.
• The Phillies and their opponents have gone over in 62 of their 133 games with a total set by sportsbooks this season.
• The Phillies have posted a record of 56-77-0 against the spread this season.
• The Diamondbacks have won 46.7% of the games this season they were the moneyline underdog (35-40).
• Arizona has gone 27-33 when playing as a moneyline underdog with odds of +104 or longer (45%).
• The Diamondbacks have had an over/under set by bookmakers 137 times, and have combined with opponents to go over the total in 60 of those games (60-73-4).
• The Diamondbacks have a 74-63-0 record against the spread this season.

Phillies Player Leaders

• Bryce Harper leads Philadelphia in OBP (.386) this season, fueled by 128 hits. He has a .266 batting average and a slugging percentage of .503.
• Among qualified hitters in the majors, his batting average ranks 51st, his on-base percentage ranks fifth, and he is 13th in slugging.
• Luis Arraez has hit six homers this season while driving in 55 runs. He's batting .317 this season and slugging .433 with an on-base percentage of .348.
• Among qualifiers, he ranks first in batting average, 46th in on-base percentage and 54th in slugging percentage.
• Kyle Schwarber leads Philadelphia with 120 hits. He is batting .244 this season and 58 of his hits have gone for extra bases.
• Schwarber has recorded at least one base hit in four straight games. During his last five outings he is hitting .273 with two doubles, a home run, two walks and four RBIs.
• Bryson Stott has nine home runs, 59 RBI and a batting average of .259 this season.

Diamondbacks Player Leaders

• Corbin Carroll has a team-high slugging percentage (.479) while pacing the Diamondbacks in hits (122). He's batting .244 and with an on-base percentage of .343.
• Including all qualified hitters in the big leagues, he ranks 91st in batting average, 49th in on-base percentage and 26th in slugging percentage.
• Geraldo Perdomo's .374 slugging percentage leads his team. He has a batting average of .255 with an on-base percentage of .362.
• Including all qualified hitters, his batting average puts him 69th, his on-base percentage ranks 28th, and he is 113th in slugging.
• Gabriel Moreno a has .382 on-base percentage to lead the Diamondbacks.
• Nolan Arenado is hitting .238 with 21 doubles, a triple, 21 home runs and 43 walks.

Phillies vs Diamondbacks Head to Head

• 4/12/2026: 4-3 ARI (Favorite: Phillies, Spread: -1.5, Total: 8, Favorite Moneyline: -152, Underdog Moneyline: +128)
• 4/11/2026: 4-3 PHI (Favorite: Phillies, Spread: -1.5, Total: 8.5, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 4/10/2026: 5-4 ARI (Favorite: Phillies, Spread: -1.5, Total: 8, Favorite Moneyline: -180, Underdog Moneyline: +152)
• 9/21/2025: 9-2 ARI (Favorite: Phillies, Spread: -1.5, Total: 8.5, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 9/20/2025: 4-3 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 9, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 9/19/2025: 8-2 PHI (Favorite: Diamondbacks, Spread: -1.5, Total: 9, Favorite Moneyline: -124, Underdog Moneyline: +106)
• 5/4/2025: 11-9 ARI (Favorite: Phillies, Spread: -1.5, Total: 9, Favorite Moneyline: -148, Underdog Moneyline: +126)
• 5/3/2025: 7-2 PHI (Favorite: Phillies, Spread: -1.5, Total: 9.5, Favorite Moneyline: -124, Underdog Moneyline: +106)
• 5/2/2025: 3-2 PHI (Favorite: Phillies, Spread: -1.5, Total: 9.5, Favorite Moneyline: -152, Underdog Moneyline: +128)
• 8/11/2024: 12-5 ARI (Favorite: Phillies, Spread: -1.5, Total: 8.5, Favorite Moneyline: -134, Underdog Moneyline: +114)

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