Phillies vs Nationals Prediction, Odds, Moneyline, Spread & Over/Under for Aug. 23

Odds updated as of 5:12 p.m.

MLB action on Saturday includes the Philadelphia Phillies playing the Washington Nationals.

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

Phillies vs Nationals Game Info

• Philadelphia Phillies (74-54) vs. Washington Nationals (53-75)
• Date: Saturday, August 23, 2025
• Time: 6:05 p.m. ET
• Venue: Citizens Bank Park -- Philadelphia, Pennsylvania
• Coverage: NBCS-PH and MASN2

Phillies vs Nationals Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: PHI: (-260) | WSH: (+215)
• Spread: PHI: -1.5 (-132) | WSH: +1.5 (+110)
• Total: 10.5 -- Over: (-105) | Under: (-115)

Phillies vs Nationals Probable Starting Pitchers

Probable Pitchers: Aaron Nola (Phillies) - 1-7, 6.92 ERA vs Mitchell Parker (Nationals) - 7-13, 5.90 ERA

The Phillies will call on Aaron Nola (1-7) against the Nationals and Mitchell Parker (7-13). Nola and his team have a record of 4-6-0 against the spread when he starts. Nola's team has been victorious in 25% of the games he's started as the moneyline favorite with a record of 2-6. The Nationals have gone 10-12-0 against the spread when Parker starts. The Nationals have been the underdog on the moneyline in 19 of Parker's starts this season, and they went 9-10 in those games.

Phillies vs Nationals Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Phillies win (71.8%)

Phillies vs Nationals Moneyline

• Philadelphia is a -260 favorite on the moneyline, while Washington is a +215 underdog on the road.

Phillies vs Nationals Spread

• The Nationals are +1.5 on the run line against the Phillies. The Nationals are +110 to cover, and the Phillies are -132.

Phillies vs Nationals Over/Under

• Phillies versus Nationals, on Aug. 23, has an over/under of 10.5, with the over being -105 and the under -115.

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Phillies vs Nationals Betting Trends

• The Phillies have been chosen as favorites in 99 games this year and have walked away with the win 63 times (63.6%) in those games.
• This season Philadelphia has been victorious five times in six chances when named as a favorite of at least -260 on the moneyline.
• The Phillies' games have gone over the total in 48 of their 121 opportunities.
• In 121 games with a line this season, the Phillies have a mark of 63-58-0 against the spread.
• The Nationals have been the moneyline underdog 103 total times this season. They've finished 47-56 in those games.
• Washington has a 1-3 record (winning just 25% of its games) when playing as a moneyline underdog of +215 or longer.
• In the 122 games oddsmakers have set an over/under for the Nationals, they have combined with opponents to go over the total 66 times (66-49-7).
• The Nationals have put together a 62-60-0 record ATS this season (covering 50.8% of the time).

Phillies Player Leaders

• Kyle Schwarber has 120 hits and an OBP of .373, both of which rank first among Philadelphia hitters this season. He has a .252 batting average and a slugging percentage of .581.
• He ranks 93rd in batting average, 12th in on-base percentage, and fourth in slugging among all qualifying hitters in MLB.
• Trea Turner has hit 13 homers this season while driving in 60 runs. He's batting .300 this season and slugging .447 with an on-base percentage of .354.
• Among qualifying hitters, his batting average places him sixth, his on-base percentage 34th, and his slugging percentage 68th.
• Bryce Harper has collected 100 base hits, an OBP of .360 and a slugging percentage of .503 this season.
• Harper takes a five-game hitting streak into this game. In his last five games he is batting .400 with two home runs, four walks and seven RBIs.
• Bryson Stott has nine home runs, 53 RBI and a batting average of .250 this season.
• Stott heads into this game on a five-game hitting streak. In his last five games he is batting .450 with two doubles, two home runs, two walks and six RBIs.

Nationals Player Leaders

• C.J. Abrams is batting .265 with 27 doubles, five triples, 16 home runs and 31 walks. He's slugging .452 with an on-base percentage of .329.
• He ranks 55th in batting average, 79th in on-base percentage and 62nd in slugging percentage among all qualifying batters in MLB.
• James Wood's 123 hits, .355 on-base percentage and .481 slugging percentage all lead his team. He has a batting average of .258.
• Including all qualifying hitters, his batting average places him 79th, his on-base percentage ranks 32nd, and he is 33rd in slugging.
• Luis Garcia is batting .258 with 24 doubles, a triple, nine home runs and 23 walks.
• Josh Bell is batting .229 with 12 doubles, a triple, 16 home runs and 50 walks.

Phillies vs Nationals Head to Head

• 8/22/2025: 5-4 WSH (Favorite: Phillies, Spread: -1.5, Total: 9, Favorite Moneyline: -188, Underdog Moneyline: +158)
• 8/17/2025: 11-9 PHI (Favorite: Phillies, Spread: -1.5, Total: 10, Favorite Moneyline: -198, Underdog Moneyline: +166)
• 8/16/2025: 2-0 WSH (Favorite: Phillies, Spread: -1.5, Total: 9.5, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 8/15/2025: 6-2 PHI (Favorite: Phillies, Spread: -1.5, Total: 8, Favorite Moneyline: -190, Underdog Moneyline: +160)
• 8/14/2025: 3-2 WSH (Favorite: Phillies, Spread: -1.5, Total: 8.5, Favorite Moneyline: -186, Underdog Moneyline: +156)
• 5/1/2025: 4-2 WSH (Favorite: Phillies, Spread: -1.5, Total: 9.5, Favorite Moneyline: -174, Underdog Moneyline: +146)
• 4/30/2025: 7-2 PHI (Favorite: Phillies, Spread: -1.5, Total: 7.5, Favorite Moneyline: -255, Underdog Moneyline: +210)
• 4/29/2025: 7-6 PHI (Favorite: Phillies, Spread: -1.5, Total: 8.5, Favorite Moneyline: -196, Underdog Moneyline: +164)
• 3/30/2025: 5-1 WSH (Favorite: Phillies, Spread: -1.5, Total: 8.5, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 3/29/2025: 11-6 PHI (Favorite: Phillies, Spread: -1.5, Total: 9, Favorite Moneyline: -154, Underdog Moneyline: +130)

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