Nationals vs Diamondbacks Prediction, Odds, Moneyline, Spread & Over/Under for July 25

Odds updated as of 3:12 p.m.

The MLB slate on Saturday includes the Washington Nationals taking on the Arizona Diamondbacks.

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

Nationals vs Diamondbacks Game Info

• Washington Nationals (52-52) vs. Arizona Diamondbacks (55-49)
• Date: Saturday, July 25, 2026
• Time: 4:05 p.m. ET
• Venue: Nationals Park -- Washington, District of Columbia
• Coverage: Nationals.TV and Dbacks.TV

Nationals vs Diamondbacks Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: WSH: (-134) | ARI: (+116)
• Spread: WSH: -1.5 (+146) | ARI: +1.5 (-176)
• Total: 9 -- Over: (-115) | Under: (-105)

Nationals vs Diamondbacks Probable Starting Pitchers

Probable Pitchers: Foster Griffin (Nationals) - 11-2, 2.68 ERA vs Mitch Bratt (Diamondbacks) - 0-0, 5.06 ERA

This contest's pitching matchup is set, as the Nationals will send Foster Griffin (11-2) to the mound, while Mitch Bratt will take the ball for the Diamondbacks. Griffin and his team are 13-6-0 ATS this season when he starts. Griffin has started four games with his team as the moneyline favorite and won each of them. The Diamondbacks have a 2-1-0 ATS record in Bratt's three starts with a set spread. The Diamondbacks were the underdog on the moneyline for two Bratt starts this season -- they won both.

Nationals vs Diamondbacks Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Nationals win (66.2%)

Nationals vs Diamondbacks Moneyline

• Washington is a -134 favorite on the moneyline, while Arizona is a +116 underdog on the road.

Nationals vs Diamondbacks Spread

• The Diamondbacks are at the Nationals, and are +1.5 on the runline. The Diamondbacks are +146 to cover the spread, and the Nationals are -176.

Nationals vs Diamondbacks Over/Under

• Nationals versus Diamondbacks on July 25 has an over/under of 9 runs, with the odds on the over -115 and the under set at -105.

Bet on Washington Nationals vs. Arizona Diamondbacks on FanDuel today!

Nationals vs Diamondbacks Betting Trends

• The Nationals have been chosen as favorites in 21 games this year and have walked away with the win 11 times (52.4%) in those games.
• This season Washington has come away with a win seven times in nine chances when named as a favorite of at least -134 on the moneyline.
• Contests with the Nationals have gone over the total set by oddsmakers in 57 of 102 chances this season.
• The Nationals have posted a record of 59-43-0 against the spread this season.
• The Diamondbacks have won 23 of the 55 games they were the moneyline underdog this season (41.8%).
• Arizona has a record of 12-17 in games it has played as a moneyline underdog with odds of +116 or longer (41.4%).
• The Diamondbacks have played in 103 games with a set over/under, and have combined with opponents to go over the total 44 times (44-55-4).
• The Diamondbacks have a 56-47-0 record ATS this season (covering 54.4% of the time).

Nationals Player Leaders

• James Wood has 108 hits and an OBP of .395 to go with a slugging percentage of .548. All three of those stats lead Washington hitters this season. He has a .270 batting average, as well.
• He is 50th in batting average, fourth in on-base percentage, and sixth in slugging among all qualifying hitters in baseball.
• C.J. Abrams has hit 24 homers this season while driving in 76 runs. He's batting .288 this season and slugging .544 with an on-base percentage of .361.
• He is 17th in batting average, 30th in on-base percentage and 10th in slugging among qualified hitters.
• Abrams has picked up at least one hit in five straight games. During his last five outings he is batting .524 with two doubles, four home runs, two walks and eight RBIs.
• Luis Garcia has 90 hits this season and has a slash line of .277/.310/.545.
• Curtis Mead has been key for Washington with 72 hits, an OBP of .351 plus a slugging percentage of .505.

Diamondbacks Player Leaders

• Ketel Marte has accumulated a slugging percentage of .458, a team-high for the Diamondbacks. He's batting .258 with an on-base percentage of .311.
• Including all the qualifying hitters in the big leagues, his batting average ranks 70th, his on-base percentage ranks 107th, and he is 49th in slugging.
• Corbin Carroll's 94 hits lead his team. He has a batting average of .252 while slugging .491 with an on-base percentage of .344.
• His batting average is 81st among all qualified players, his on-base percentage is 59th, and he is 25th in slugging.
• Geraldo Perdomo has accumulated an on-base percentage of .355, a team-best for the Diamondbacks.
• Ildemaro Vargas has 14 doubles, three triples, seven home runs and 18 walks while batting .270.

Nationals vs Diamondbacks Head to Head

• 7/24/2026: 3-2 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 9.5, Favorite Moneyline: -124, Underdog Moneyline: +106)
• 6/7/2026: 5-1 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 8, Favorite Moneyline: -132, Underdog Moneyline: +112)
• 6/6/2026: 6-1 WSH (Favorite: Diamondbacks, Spread: -1.5, Total: 9, Favorite Moneyline: -154, Underdog Moneyline: +130)
• 6/5/2026: 14-1 WSH (Favorite: Diamondbacks, Spread: -1.5, Total: 9, Favorite Moneyline: -132, Underdog Moneyline: +112)
• 6/1/2025: 3-1 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 9, Favorite Moneyline: -215, Underdog Moneyline: +180)
• 5/31/2025: 11-7 WSH (Favorite: Diamondbacks, Spread: -1.5, Total: 9.5, Favorite Moneyline: -188, Underdog Moneyline: +158)
• 5/30/2025: 9-7 WSH (Favorite: Diamondbacks, Spread: -1.5, Total: 9.5, Favorite Moneyline: -225, Underdog Moneyline: +188)
• 4/6/2025: 5-4 WSH (Favorite: Diamondbacks, Spread: -1.5, Total: 7.5, Favorite Moneyline: -180, Underdog Moneyline: +152)
• 4/5/2025: 4-3 WSH (Favorite: Diamondbacks, Spread: -1.5, Total: 9, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 4/4/2025: 6-4 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 8.5, Favorite Moneyline: -146, Underdog Moneyline: +124)

Sign up for FanDuel Sportsbook and FanDuel Daily Fantasy today!