Nationals vs Mariners Prediction 6/13/26 MLB Picks Today

In this article we will formulate a Nationals vs Mariners prediction for this MLB game on Saturday, June 13th 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 35-35 this season after they lost game one by a score of 10-2 last night. Washington cut the deficit to 5-1 in the fourth inning, but it just got worse after that point in the loss. The Nationals recorded four hits in the game and they were led by Wood, who went 2-4 with one home run and one RBI. Littell allowed four hits and five earned runs over 1.2 innings for the loss, while Cornello allowed three earned runs in relief. 

This season, Washington has a 4.74 ERA with a 1.39 WHIP and a .256 opponent batting average, while they have scored 374 runs with a .244 batting average and a .321 on base percentage. CJ Abrams has led the Nationals with 14 home runs and 51 RBIs, while James Wood has added 19 home runs and 44 RBIs. The projected starting pitcher for Washington is Cade Cavalli, who is 3-4 with a 3.88 ERA and a 1.44 WHIP over 69.2 innings pitched this season. 

Seattle Mariners Betting Preview

The Seattle Mariners are 37-34 this year after they won game one by a score of 10-2 on Friday. Seattle scored five runs in the second inning and never looked back in the blowout win. The Mariners recorded 11 hits in the game and they were led by Canzone, who went 2-4 with one home run and three RBIs. Miller allowed four hits and two earned runs over 8.0 innings for the win, while Rucker closed out the game. 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 3.57 ERA with a 1.18 WHIP and a .240 opponent batting average, while they have scored 307 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 Luis Castillo, who is 2-5 with a 5.16 ERA and a 1.36 WHIP over 61.0 innings pitched this year. 

Why the Washington Nationals will win

• The Mariners have lost six of their last seven road games against NL East opponents following a win.
• The Nationals have won eight of their last nine games as favorites against American League opponents following a loss.
• The Nationals have covered the run line in 10 of their last 11 games against American League opponents after playing the previous day.
• The Mariners have failed to cover the run line in each of their last four games against the Nationals following a win.
• The Mariners have trailed after 5 innings in seven of their last eight games as underdogs against NL East opponents.
• The Nationals have led after 3 innings in four of their last five games as favorites.

Why the Seattle Mariners will win

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

Total Runs Facts

• Each of the Nationals’ last seven games as favorites have gone OVER the total runs line.
• Five of the Mariners’ last six games as underdogs against NL East opponents have gone OVER the total runs line.
• The ‘Inning 1 OVER 0.5 runs’ market has hit in eight of the Mariners’ last nine games as road underdogs against NL East opponents.
• The ‘Inning 1 UNDER 0.5 runs’ market has hit in seven of the Nationals’ last eight day games at Nationals Park.

Nationals vs Mariners Prediction 

Washington comes into this matchup on a two game losing streak and they have allowed 21 runs in those two games. The Nationals are 12-21 at home this year, while the Mariners are 18-18 on the road. Seattle has won three of their last five games, but they have allowed 5+ runs in three of their last four. The Mariners are starting Castillo, who has allowed one earned run or fewer in three straight outings, while Cavalli has allowed two earned runs or fewer in three of his last four starts. Both starters have been solid in recent weeks, but Castillo has struggled when looking at the season numbers and Washington is the second highest scoring team in baseball. Take the Nationals here.