Orioles vs Nationals Prediction 5/15/2026 Today’s MLB Picks

In this article we will formulate an Orioles vs Nationals prediction for this MLB game on Friday, May 15th at Nationals Park in Washington, DC. Let’s take a look at the prediction for this MLB matchup. 

Baltimore Orioles Betting Preview

The Baltimore Orioles are 20-24 this year after they won two out of three against the Yankees by scores of 3-2, 2-6, and 7-0. In game three, Baltimore jumped out to a 1-0 lead in the second inning and never looked back in the lopsided win. The Orioles recorded 10 hits in the game and they were led by Rutschman, who went 1-3 with one home run and three RBIs. Bradish allowed one hit and zero earned runs over 6.0 innings for the win, while Cano threw a scoreless ninth. Prior to that series, Baltimore lost two out of three against the Athletics, but did win two out of three against the Marlins before that. 

This season, Baltimore has a 4.60 ERA with a 1.43 WHIP and a .260 opponent batting average, while they have scored 193 runs with a .231 batting average and a .315 on base percentage. Jeremiah Jackson has led the Orioles with six home runs and 24 RBIs, while Pete Alonso has added eight home runs and 23 RBIs. The projected starting pitcher for Baltimore is Shane Baz, who is 1-4 with a 5.48 ERA and a 1.56 WHIP over 44.1 innings pitched this year. 

Washington Nationals Betting Preview

The Washington Nationals are 21-23 this season after they won two out of three against the Reds by scores of 10-4, 8-7, and 1-15. In game three, Washington allowed the first 11 runs in the game and never had a chance in the blowout loss. The Nationals recorded three hits in the game and they were led by Garcia Jr, who went 1-2 with two walks. Griffin allowed seven hits and nine earned runs over 4.1 innings for the loss, while Wiemer allowed four earned runs in relief. Prior to that series, Washington lost two out of three against the Marlins, but did win two out of three against the Twins before that. 

This season, Washington has a 5.01 ERA with a 1.44 WHIP and a .257 opponent batting average, while they have scored 236 runs with a .242 batting average and a .323 on base percentage. CJ Abrams has led the Nationals with nine home runs and 36 RBIs, while James Wood has added 12 home runs and 29 RBIs. The projected starting pitcher for Washington is Zack Littell, who is 1-4 with a 6.94 ERA and a 1.60 WHIP over 36.1 innings pitched this season. 

Why the Washington Nationals will win

• The underdogs have won seven of the last eight games between the Orioles and Nationals.
• The Orioles have lost each of their last five games as road favorites against National League opponents following a win.
• The underdogs have covered the run line in each of the last six games between the Orioles and Nationals.
• The Orioles have failed to cover the run line in eight of their last nine games as road favorites against NL East opponents.
• The Nationals have led after 3 innings in three of their last four night games against the Orioles.
• The Orioles have trailed after 5 innings in four of their last five games as road favorites against NL East opponents.

Why the Baltimore Orioles will win

• The Nationals have lost each of their last eight games against AL East opponents following a loss.
• The Orioles have won six of their last seven road games against NL East opponents that held a losing record.
• The Nationals have failed to cover the run line in each of their last nine games as underdogs against AL East opponents.
• The Orioles have covered the run line each of their last eight night games against teams that held a losing record.
• The Orioles have led after 5 innings in four of their last five games against National League opponents that held a losing record.

Total Runs Facts

• Eight of the last nine games between the Orioles and Nationals at Nationals Park have gone UNDER the total runs line.
• Five of the Orioles’ last six road games have gone OVER the total runs line.
• The ‘Inning 1 OVER 0.5 runs’ market has hit in seven of the Orioles’ last eight road games.
• The ‘Inning 1 UNDER 0.5 runs’ market has hit in five of the Nationals’ last six games as underdogs against American League opponents.

Washington Nationals Player Prop Facts

• Keibert Ruiz has recorded at least one hit in seven of his last eight appearances against AL East opponents that held a losing record.
• Joey Wiemer has hit a home run in three of his 15 previous appearances at Nationals Park.
• James Wood ranks T8th in the league in Home Runs (12) this season.

Baltimore Orioles Player Prop Facts

• Tyler O’Neill has hit a home run in three of his last four appearances with the Orioles as favorites against NL opponents.
• Taylor Ward has recorded at least one hit in 16 of his last 17 appearances with his team as a road favorite.

Matchup/League Facts

• The Nationals rank 30th in the league for runs allowed this season (256).
• The Nationals rank 2nd in the league for runs scored this season (236).
• The Orioles rank 26th in the league for batting average this season (.231).
• The Orioles rank 26th in the league for strikeouts against this season (404).

Orioles vs Nationals Prediction 

Baltimore comes into this matchup after winning three of their last four games and they just took two out of three from the Yankees. The Orioles are 8-12 on the road this year, while the Nationals are 6-13 at home. Washington is coming off of a series win, but they have allowed 5+ runs in four of their last five and they have been awful at home. The Nationals are starting Littell, who has allowed 4+ earned runs in three of his last five outings, while Baz has allowed 4+ earned runs in four of his last five starts. Take the over here.

David Racey's Pick: Over 9.5