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Nationals vs Diamondbacks Prediction 7/26/26 MLB Picks Today

Arizona Diamondbacks (55-50) vs. Washington Nationals (53-52)
July 26, 2026 1:35 pm EDT
The Line: Washington Nationals -101 / Arizona Diamondbacks -120; Over/Under: 10
(Get latest betting odds)

In this article we will formulate a Nationals vs Diamondbacks prediction for this MLB game on Sunday, July 26th at Nationals Park in Washington, DC. Let’s take a look at the prediction for this MLB matchup. 

Washington Nationals Betting Preview

The Washington Nationals are 53-52 this season after they split the first two games in this series by scores of 2-3 and 5-3. In game two, Washington scored four runs in the third inning and added a fifth in the fifth inning to secure the win. The Nationals recorded nine hits in the game and they were led by Abrams, who went 3-4 with one home run and three RBIs. Griffin allowed six hits and three earned runs over 6.2 innings for the win, while Beeter picked up the save. Prior to this series, Washington won two out of three against the Rockies and two out of three against the Athletics. 

This season, Washington has a 4.76 ERA with a 1.40 WHIP and a .260 opponent batting average, while they have scored 574 runs with a .253 batting average and a .328 on base percentage. CJ Abrams has led the Nationals with 25 home runs and 79 RBIs, while James Wood has added 28 home runs and 69 RBIs. The projected starting pitcher for Washington is Miles Mikolas, who is 3-7 with a 5.60 ERA and a 1.34 WHIP over 98.0 innings pitched this season. 

Arizona Diamondbacks Betting Preview

The Arizona Diamondbacks are 55-50 this year after they lost game two by a score of 3-5 on Saturday afternoon. Arizona led 2-0 in the third inning, but they scored just one run in the last six innings for the loss. The Diamondbacks recorded six hits and they committed one error in the game, while they were led by Moreno, who went 1-4 with two RBIs. Bratt allowed seven hits and five earned runs over 5.0 innings for the loss, while Clarke threw a scoreless inning in relief. Prior to this series, Arizona won a makeup game with the Cardinals and two out of three against the Athletics. 

This season, Arizona has a 4.22 ERA with a 1.29 WHIP and a .252 opponent batting average, while they have scored 472 runs with a .242 batting average and a .313 on base percentage. Ketel Marte has led the Diamondbacks with 18 home runs and 60 RBIs, while Corbin Carroll has added 15 home runs and 49 RBIs. The projected starting pitcher for Arizona is Kohl Drake, who is 0-0 with a 1.80 ERA and a 1.20 WHIP over 5.0 innings pitched this year. 

Why the Washington Nationals will win

  • The Nationals have won three of their last four games as home underdogs against NL West opponents.
  • The Diamondbacks have lost 10 of their last 15 games as road favorites after playing the previous day.
  • The Nationals have covered the run line in nine of their last 10 games as underdogs against NL West opponents.
  • The Diamondbacks have failed to cover the run line in seven of their last eight games against NL East opponents.
  • The Nationals have led after 5 innings in six of their last seven day games against opponents that held a winning record.
  • The Nationals have won the first inning in three of their last four games as underdogs against the Diamondbacks at Nationals Park.
  • The Diamondbacks have trailed after 3 innings in eight of their last nine road day games.

Why the Arizona Diamondbacks will win

  • The Diamondbacks have won each of their last seven road games against National League opponents that held a winning record.
  • The Nationals have lost seven of their last eight games against teams that held a winning record.
  • The Diamondbacks have covered the run line in seven of their last eight road games against National League opponents that held a winning record.
  • The Nationals have failed to cover the run line in seven of their last eight games against the Diamondbacks following a home win.
  • The Diamondbacks have led after 5 innings in five of their last six day games against NL East opponents that held a winning record.
  • The Nationals have trailed after 3 innings in three of their last four home games against National League opponents.

Total Runs Facts

  • Each of the Diamondbacks’ last eight day games against NL East opponents have gone UNDER the total runs line.
  • Each of the Nationals’ last five home games have gone UNDER the total runs line.
  • There has been at least one run scored in the first inning in seven of the Nationals’ last eight games as underdogs.
  • There has been no run scored during the first inning in five of the Diamondbacks’ last six games as favorites.

Washington Nationals Player Prop Facts

  • Miles Mikolas has recorded three or more strikeouts in each of his last 15 appearances in day games against NL teams that held a winning record.
  • CJ Abrams has recorded at least one hit in each of the Nationals’ last nine home games.
  • James Wood has hit a home run in four of the Nationals’ last five games as underdogs.

Arizona Diamondbacks Player Prop Facts

  • Gabriel Moreno has recorded at least one hit in each of his last 15 road appearances against NL opponents.
  • Corbin Carroll has hit a home run in three of the Diamondbacks’ last seven day games against NL East opponents that held a winning record.

Matchup/League Facts

  • The Nationals rank 1st in the league for runs scored this season (574).
  • The Nationals rank 1st in the league for runs scored this season (574).
  • The Diamondbacks rank T1st in the league for triples this season (24).
  • The Diamondbacks rank T1st in the league for triples this season (24).

Nationals vs Diamondbacks Prediction 

Arizona had their winning streak snapped on Saturday afternoon in game two, but they have scored 37 runs in their last five games. The Diamondbacks are 24-28 on the road this year, while the Nationals are 21-32 at home. Washington has alternated wins and losses over their last five games and they have scored 5+ runs in four of those five. The Nationals are starting Mikolas, who has allowed 3, 0, 7, and 6 earned runs in his last four outings, while Drake allowed four hits and one earned run over 5.0 innings in his first start. Take the Diamondbacks to win here. 

David Racey's Free Pick: Diamondbacks ML

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David Racey

David started writing about sports in 2015, but sports has been his passion for as long as he can remember. David spends most of his free time watching pretty much anything sports related from Baseball to Tennis and everything in between. David likes to analyze statistics and recent results to form an unbiased opinion on whatever game he is breaking down. Follow David on Twitter at @itsyerboi41

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