Mariners vs Nationals Prediction, Odds, Moneyline, Spread & Over/Under for June 14

Odds updated as of 1:11 p.m.

The Seattle Mariners versus the Washington Nationals is on the MLB schedule for Sunday.

We've got you covered, in terms of the vital info regarding this game before you take a look at the MLB odds and spreads on FanDuel Sportsbook.

Mariners vs Nationals Game Info

• Seattle Mariners (37-35) vs. Washington Nationals (36-35)
• Date: Sunday, June 14, 2026
• Time: 1:35 p.m. ET
• Venue: Nationals Park -- Washington, District of Columbia
• Coverage: Nationals.TV and Mariners.TV

Mariners vs Nationals Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: SEA: (-132) | WSH: (+112)
• Spread: SEA: -1.5 (+125) | WSH: +1.5 (-150)
• Total: 10.5 -- Over: (+102) | Under: (-124)

Mariners vs Nationals Probable Starting Pitchers

Probable Pitchers: Emerson Hancock (Mariners) - 5-2, 2.74 ERA vs PJ Poulin (Nationals) - 3-0, 3.20 ERA

The Mariners will give the nod to Emerson Hancock (5-2, 2.74 ERA), who is eyeing win No. 6 on the season, and the Nationals will counter with PJ Poulin (3-0, 3.20 ERA). When Hancock starts, his team is 5-8-0 against the spread this season. Hancock's team has won 63.6% of his starts when they are favored on the moneyline (7-4). The Nationals are 6-1-0 ATS in Poulin's seven starts that had a set spread. The Nationals have a 4-3 record in Poulin's seven starts this season when they were the underdog on the moneyline.

Mariners vs Nationals Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (57.9%)

Mariners vs Nationals Moneyline

• Washington is the underdog, +112 on the moneyline, while Seattle is a -132 favorite despite being on the road.

Mariners vs Nationals Spread

• The Mariners are at the Nationals and are favored by 1.5 runs (+125 to cover) on the runline. Washington is -150 to cover.

Mariners vs Nationals Over/Under

• Mariners versus Nationals on June 14 has an over/under of 10.5 runs, with the odds on the over +102 and the under set at -124.

Bet on Seattle Mariners vs. Washington Nationals on FanDuel today!

Mariners vs Nationals Betting Trends

• The Mariners have been chosen as favorites in 64 games this year and have walked away with the win 34 times (53.1%) in those games.
• This season Seattle has been victorious 26 times in 44 chances when named as a favorite of at least -132 on the moneyline.
• The Mariners' games have gone over the total in 34 of their 71 opportunities.
• The Mariners are 26-45-0 against the spread in their 71 games that had a posted line this season.
• The Nationals are 33-29 in games they were listed as the moneyline underdog (winning 53.2% of those games).
• Washington has a 24-19 record (winning 55.8% of its games) when playing as a moneyline underdog of +112 or longer.
• The Nationals have played in 70 games with an over/under set, and have combined with their opponents to go over the total 43 times (43-24-3).
• The Nationals have covered 61.4% of their games this season, going 43-27-0 against the spread.

Mariners Player Leaders

• Randy Arozarena leads Seattle in OBP (.377), slugging percentage (.448) and total hits (76) this season. He has a .291 batting average.
• He is 18th in batting average, 22nd in on-base percentage, and 55th in slugging among qualifying hitters in MLB.
• Julio Rodriguez is hitting .252 with 14 doubles, 13 home runs and 25 walks. He's slugging .434 with an on-base percentage of .314.
• Among all qualified hitters, he ranks 78th in batting average, 108th in on-base percentage and 72nd in slugging percentage.
• Josh Naylor has collected 67 base hits, an OBP of .315 and a slugging percentage of .368 this season.
• Cole Young is batting .261 with a .324 OBP and 32 RBI for Seattle this season.
• Young heads into this matchup on a four-game hitting streak. In his last five games he is batting .348 with a home run and an RBI.

Nationals Player Leaders

• James Wood has racked up 74 hits with a .408 on-base percentage and a .541 slugging percentage, all club-bests for the Nationals. He's batting .274.
• Including all qualified players, he is 43rd in batting average, while his on-base percentage ranks fourth and he is 12th in slugging.
• Wood hopes to build on a five-game hitting streak in this matchup. During his last five outings he is hitting .381 with two home runs, two walks and four RBIs.
• C.J. Abrams' .524 slugging percentage paces his team. He has a batting average of .291 with an on-base percentage of .380.
• Including all qualifying players, he ranks 18th in batting average, 17th in on-base percentage and 19th in slugging percentage.
• Daylen Lile is hitting .263 with 15 doubles, three triples, eight home runs and 23 walks.
• Luis Garcia is batting .260 with 12 doubles, three triples, nine home runs and eight walks.

Mariners vs Nationals Head to Head

• 6/13/2026: 8-3 WSH (Favorite: Nationals, Spread: -1.5, Total: 9, Favorite Moneyline: -118, Underdog Moneyline: +100)
• 5/29/2025: 9-3 WSH (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 5/28/2025: 9-0 WSH (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -215, Underdog Moneyline: +180)
• 5/27/2025: 9-1 SEA (Favorite: Mariners, Spread: -1.5, Total: 8.5, Favorite Moneyline: -164, Underdog Moneyline: +138)
• 5/26/2024: 9-5 SEA (Favorite: Mariners, Spread: -1.5, Total: 9, Favorite Moneyline: -174, Underdog Moneyline: +146)
• 5/25/2024: 3-1 WSH (Favorite: Mariners, Spread: -1.5, Total: 9, Favorite Moneyline: -164, Underdog Moneyline: +138)
• 5/24/2024: 6-1 WSH (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -132, Underdog Moneyline: +112)
• 6/28/2023: 4-1 WSH (Favorite: Mariners, Spread: -1.5, Total: 8.5, Favorite Moneyline: -290, Underdog Moneyline: +235)
• 6/27/2023: 7-4 WSH (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -240, Underdog Moneyline: +198)
• 6/26/2023: 8-4 SEA (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -260, Underdog Moneyline: +215)

Sign up for FanDuel Sportsbook and FanDuel Daily Fantasy today!