Mariners vs. Nationals Betting Lines, Odds, & Player Matchups June 12, 2026

Data Skrive

The Washington Nationals (35-34) match up against the Seattle Mariners (36-34) a game after Daylen Lile had a four-hit showing in an 11-10 loss to the Giants. The Mariners are favored (-149) in this matchup with the Nationals (+123), which begins at 6:45 p.m. ET on Friday. Seattle’s Bryce Miller and Washington’s Zack Littell will take the mound first.

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Money Line

Mariners to win vs Nationals -149

Bet $20, Payout $33.42

Mariners vs. Nationals betting lines

  • Favorite: Mariners (-149)
  • Underdog: Nationals (+123)
  • Over/under: 9.5

Mariners betting info, hitting leaders, & pitching

Mariners betting info

  • The Mariners have won 53.1% of the games this season when they were favored on the moneyline (34-30).
  • Seattle has gone 12-7 (winning 63.2% of its games) when playing as moneyline favorites of -149 or shorter.
  • The Mariners have a 59.8% chance to win this matchup based on the moneyline’s implied probability.
  • Seattle has played in 70 games with an over/under set, and have combined with its opponents to go over the total 33 times (33-34-3).
  • The Mariners have covered just 37.1% of their games this season, going 26-44-0 against the spread.

Mariners hitting info

  • Randy Arozarena paces the Mariners with a .290 batting average.
  • Arozarena’s home runs rank 107th in MLB and he ranks 64th in RBI in MLB.
  • Julio Rodriguez has collected 34 runs batted in to lead his team.
  • Among all MLB hitters, Rodriguez ranks 30th in home runs and 55th in RBI.
  • Josh Naylor is batting .257 with seven doubles, seven home runs and 23 walks.
  • Cole Young has 10 doubles, a triple, five home runs and 20 walks while hitting .255.
  • Young has hit safely in two straight games. In his last five games he is hitting .304 with a home run and two RBIs.

Mariners pitching rankings

  • The Mariners pitching staff is 11th in the majors with a collective 8.7 strikeouts per nine innings.
  • Seattle has a 3.60 team ERA that ranks fifth across all MLB pitching staffs.
  • Mariners pitchers combine for the No. 4 WHIP in the majors (1.198).
  • The Mariners give up the sixth-fewest home runs in baseball (67 total, one per game).
  • Seattle its 7-5 loss the last time out, the team struck out seven Orioles batters while allowing seven hits.

Nationals betting info, hitting leaders, & pitching

Nationals betting info

  • The Nationals have been underdogs in 63 games this season and won 33 (52.4%) of those contests.
  • Washington is 18-17 this season when entering a game as the underdog by +123 or more on the moneyline.
  • Bookmakers have implied with the moneyline set for this matchup that the Nationals have a 44.8% chance to win.
  • So far this season, Washington and its opponents have hit the over in 42 of its 69 games with a total.
  • In 69 games with a spread this season, the Nationals are 43-26-0 ATS.

Nationals hitting info

  • James Wood is batting .271 this season with a team-high 18 home runs.
  • Among all hitters in MLB, Wood ranks sixth in home runs and 17th in RBI.
  • Wood enters this game on a three-game hitting streak. During his last five outings he is hitting .316 with a home run, four walks and three RBIs.
  • C.J. Abrams leads Washington in runs batted in with 51 while batting .287 with 14 homers.
  • Abrams ranks 24th in homers and third in RBI among all batters in MLB.
  • Abrams brings a three-game hitting streak into this game. In his last five games he is hitting .286 with two home runs, two walks and four RBIs.
  • Lile is slashing .266/.323/.424 this season for the Nationals.
  • Lile has safely hit in three games in a row. During his last five outings he is hitting .412 with a triple, three walks and five RBIs.
  • Luis Garcia has 55 hits and an OBP of .290 to go with a slugging percentage of .466 this season.
  • Garcia heads into this matchup on a three-game hitting streak. In his last five games he is hitting .286 with two doubles, a home run and four RBIs.

Nationals pitching rankings

  • The Nationals strike out 7.8 batters per nine innings as a pitching staff, 25th in MLB.
  • Washington has pitched to a 4.67 ERA this season, which ranks 25th in baseball.
  • The Nationals have a combined WHIP of 1.392 as a pitching staff, which ranks 22nd in MLB.
  • The Nationals have allowed the second-most home runs this season with 98, or 1.4 per game.
  • Washington suffered an 11-10 defeat in its most recent game, as its pitchers struck out seven Giants batters while allowing 14 hits.
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Betting Guide

How Money Line Works?

Moneyline betting is by far the easiest way to place a sports wager. There are no point spreads to parse, no garbage-time free throws to ruin your betting day, and no last-minute meaningless touchdowns to take you from a winner to a loser.

How to Bet Odds

When we, as sports fans, learned our multiplication tables, we aced the number 7. Seven, 14, 21, 28, 35, 42 were easy because we all watched football on the weekends. Multiplication by sevens, then add a three, a six after a missed PAT.

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Baseball is America’s pastime, but football is America’s crazed passion, with its weekly schedule of games, millions of television viewers across the country and the world, and the billion-dollar stadiums that serve as Sunday cathedrals in 32 American cities.

What is the Spread?

If you are a golfer or have ever played on a bowling team, think of a point spread like a handicap. It is a way for two teams of differing abilities to play each other on equal footing.  The better team, and the favorite in the game, gives a certain amount …