Mariners vs Nationals Prediction 6/14/2026 Today’s MLB Picks

In this article we will formulate a Mariners vs Nationals prediction for this MLB game on Sunday, June 14th at Nationals Park in Washington, DC. Let’s take a look at the prediction for this MLB matchup. 

Seattle Mariners Betting Preview

The Seattle Mariners are 37-35 this season after they split the first two games by scores of 10-2 and 3-8. In game two, Seattle tied the game at three in the fifth inning, but they allowed the last five runs for the loss. The Mariners recorded eight hits and they committed three errors, while they were led by Emerson, who went 1-4 with one home run and two RBIs in the game. Castillo allowed seven hits and two earned runs over 5.2 innings for the loss, while Ferrer allowed three earned runs in relief. Prior to this series, Seattle split four games with the Orioles and lost two out of three against the Tigers. 

This season, Seattle has a 3.59 ERA with a 1.19 WHIP and a .240 opponent batting average, while they have scored 310 runs with a .238 batting average and a .318 on base percentage. Julio Rodriguez has led the Mariners with 13 home runs and 34 RBIs, while Luke Raley has added 14 home runs and 35 RBIs. The projected starting pitcher for Seattle is Emerson Hancock, who is 5-2 with a 2.74 ERA and a 0.95 WHIP over 75.2 innings pitched this season. 

Washington Nationals Betting Preview

The Washington Nationals are 36-35 this year after they won game two by a score of 8-3 on Saturday. Washington blew a 3-0 lead in the early innings, but they scored two in the fifth and three in the seventh for the win. The Nationals recorded 10 hits and they committed one error in the game, while they were led by Garcia Jr, who went 1-3 with one home run and two RBIs. Cavalli allowed four hits and three earned runs over 5.0 innings for the win, while Poulin picked up a hold. Prior to this series, Washington won two out of three against the Giants and two out of three against the Diamondbacks. 

This season, Washington has a 4.71 ERA with a 1.39 WHIP and a .255 opponent batting average, while they have scored 382 runs with a .245 batting average and a .321 on base percentage. CJ Abrams has led the Nationals with 14 home runs and 53 RBIs, while James Wood has added 19 home runs and 44 RBIs. The projected starting pitcher for Washington is Miles Mikolas, who is 1-5 with a 5.90 ERA and a 1.34 WHIP over 61.0 innings pitched this year. 

Why the Washington Nationals will win

• The Nationals have won six of their last nine games as underdogs against the Mariners.
• The Mariners have lost three of their last four games.
• The Nationals have covered the run line in 14 of their last 16 games as underdogs after playing the previous day.
• The Mariners have failed to cover the run line each of their last four day games against teams that held a winning record.

Why the Seattle Mariners will win

• The Mariners have won seven of their last eight games against teams that held a winning record.
• The Nationals have lost each of their last seven Sunday day home games against American League opponents.
• The Nationals have failed to cover the run line in each of their last seven Sunday home games against American League opponents.
• The Mariners have covered the run line in four of their last five games following a road loss.
• The Nationals have trailed after 5 innings in five of their last six day games at Nationals Park against AL West opponents.
• The Nationals have trailed after 3 innings in five of their last six day games against AL West opponents.

Total Runs Facts

• Each of the Nationals’ last five games as underdogs against the Mariners have gone OVER the total runs line.
• Each of the Mariners’ last four games against National League opponents have gone OVER the total runs line.
• The ‘Inning 1 UNDER 0.5 runs’ market has hit in each of the Nationals’ last four games as home underdogs against AL West opponents.
• The ‘Inning 1 UNDER 0.5 runs’ market has hit in 10 of the Mariners’ last 12 games as favorites against NL East opponents.

Washington Nationals Player Prop Facts

• Luis Garcia has hit a home run in two of the Nationals’ last three home games against opponents that held a winning record.
• Miles Mikolas has recorded three or more strikeouts in each of his last seven home appearances.
• Keibert Ruiz has recorded two hits in four of his last five home appearances against AL West opponents that held a winning record.

Seattle Mariners Player Prop Facts

• Julio Rodriguez has hit a home run in each of the Mariners’ last two day games against NL East opponents that held a winning record.
• Brendan Donovan has recorded at least one hit in 13 of his last 14 appearances with his team as a road favorite against NL East opponents.

Mariners vs Nationals Prediction 

Washington was able to bounce back with a win on Saturday afternoon, but they have allowed 24 runs in their last three games. The Nationals are 13-21 at home this year, while the Mariners are 18-19 on the road. Seattle has dropped three of their last four games and they have allowed 7+ runs in all three of those losses. The Mariners are starting Hancock, who has allowed two earned runs or fewer in five straight starts, while Mikolas has allowed two earned runs or fewer in three of his last four outings. Take the under here.

David Racey's Pick: Under 10