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

Odds updated as of 6:12 a.m.

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

All the info you need to make smart wagers on this matchup at FanDuel Sportsbook can be found below. Check out all of the latest MLB betting lines here.

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) against 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 won 43.8% of his starts when they are favored on the moneyline (7-9). The Diamondbacks have gone 13-1-0 ATS in Pfaadt's 14 starts with a set spread. The Diamondbacks have a 7-2 record in Pfaadt's nine starts this season when they were the underdog on the moneyline.

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 +104 underdog on the moneyline, while Philadelphia is a -122 favorite on the road.

Phillies vs Diamondbacks Spread

• The Phillies are favored by 1.5 runs on the road against the Diamondbacks. The Phillies are +140 to cover the spread, while the Diamondbacks are -170.

Phillies vs Diamondbacks Over/Under

• Phillies versus Diamondbacks, on Aug. 31, has an over/under of 8.5, with the over being +100 and the under -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.
• Contests with the Phillies have gone over the total set by sportsbooks in 62 of 133 chances this season.
• The Phillies have posted a record of 56-77-0 against the spread this season.
• The Diamondbacks have put together a 35-40 record in games they were the underdog on the moneyline (winning 46.7% of those games).
• Arizona has gone 27-33 when playing as a moneyline underdog with odds of +104 or longer (45%).
• The Diamondbacks have combined with opponents to hit the over on the total 60 times this season for a 60-73-4 record against the over/under.
• The Diamondbacks have put together a 74-63-0 record ATS this season.

Phillies Player Leaders

• Bryce Harper leads Philadelphia with an OBP of .386 this season while batting .266 with 97 walks and 84 runs scored. He has a slugging percentage of .503.
• Among all qualifying hitters in MLB, his batting average ranks 51st, 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.
• His batting average is first among qualified players, his on-base percentage 46th, and his slugging percentage 54th.
• Kyle Schwarber leads Philadelphia in total hits (120) this season, and 58 of those have gone for extra bases.
• Schwarber enters this matchup with four games in a row with at least one hit. In his last five games he is batting .273 with two doubles, a home run, two walks and four RBIs.
• Bryson Stott is batting .259 with a .335 OBP and 59 RBI for Philadelphia this season.

Diamondbacks Player Leaders

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

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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