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

Odds updated as of 9:12 p.m.

The MLB's Monday schedule includes the Philadelphia Phillies taking on the Arizona Diamondbacks.

Before you do any MLB betting on this game 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: (-108) | ARI: (+100)
• Spread: PHI: -1.5 (+146) | ARI: +1.5 (-176)
• 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

This contest's pitching matchup is set, as the Phillies will send Aaron Nola (5-10) to the mound, while Brandon Pfaadt (7-1) will get the nod for the Diamondbacks. Nola and his team are 9-18-0 ATS this season when he starts. Nola's team has a record of 7-9 this season when he starts and they are the favorite on the moneyline. The Diamondbacks have a 13-1-0 record against the spread in Pfaadt's starts. The Diamondbacks are 7-2 in Pfaadt's nine starts this season that 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

• Arizona is a +100 underdog on the moneyline, while Philadelphia is a -108 favorite on the road.

Phillies vs Diamondbacks Spread

• The Phillies are 1.5-run road favorites on the runline against the Diamondbacks. The Phillies are +146 to cover, and the Diamondbacks are -176.

Phillies vs Diamondbacks Over/Under

• An over/under of 8.5 has been set for Phillies-Diamondbacks on Aug. 31, with the over being +100 and the under -122.

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Phillies vs Diamondbacks Betting Trends

• The Phillies have been chosen as favorites in 100 games this year and have walked away with the win 66 times (66%) in those games.
• This season Philadelphia has come away with a win 66 times in 100 chances when named as a favorite of at least -108 on the moneyline.
• The Phillies and their opponents have hit the over in 62 of their 133 games with a total set by oddsmakers this season.
• The Phillies are 56-77-0 against the spread in their 133 games with a line set by sportsbooks this season.
• The Diamondbacks have a 35-40 record in games they were listed as the moneyline underdog (winning 46.7% of those games).
• In games it has played as a moneyline underdog with odds of +100 or longer, Arizona has gone 29-35 (45.3%).
• The Diamondbacks have played in 137 games with an over/under set, and have combined with opponents to go over the total 60 times (60-73-4).
• The Diamondbacks have collected a 74-63-0 record against the spread this season (covering 54% of the time).

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 all qualified hitters, he is 51st in batting average, his on-base percentage ranks fifth, and he is 13th in slugging.
• Luis Arraez has an OPS of .781, fueled by an OBP of .348 and a team-best slugging percentage of .433 this season. He's batting .317.
• Among all qualified, he is first in batting average, 46th in on-base percentage and 54th in slugging percentage.
• Kyle Schwarber leads Philadelphia in total hits (120) this season, and 58 of those have gone for extra bases.
• Schwarber enters this game with four games in a row with at least one hit. During his last five outings he is batting .273 with two doubles, a home run, two walks and four RBIs.
• Bryson Stott has been key for Philadelphia with 118 hits, an OBP of .335 plus a slugging percentage of .404.

Diamondbacks Player Leaders

• Corbin Carroll has put up a slugging percentage of .479 and has 122 hits, both team-high figures for the Diamondbacks. He's batting .244 and with an on-base percentage of .343.
• Including all the qualifying hitters in the big leagues, his batting average ranks 91st, his on-base percentage is 49th, and he is 26th in slugging.
• Geraldo Perdomo is slugging .374 to lead his team. He has a batting average of .255 with an on-base percentage of .362.
• His batting average is 69th among all qualified players, his on-base percentage is 28th, and he is 113th in slugging.
• Gabriel Moreno has put up an on-base percentage of .382, a team-high for 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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