Mariners vs. Nationals Prediction: MLB Betting Lines, Stats and Picks – June 26, 2023

Written By PlayPicks Staff on June 25, 2023

Jeimer Candelario brings a two-game homer streak into the Washington Nationals’ (30-47) game against the Seattle Mariners (37-39) at 9:40 PM ET on Monday, at T-Mobile Park.

The Mariners are favored at home (-259) against the Nationals (+214). The over/under for this game is set at 8.

The betting trends in the following article reference odds valid as of June 26, 2023 at 9:12 PM ET. Ready to bet? Click here to get the best DraftKings Sportsbook deposit bonus!

Mariners vs Nationals Betting Lines

Favorite Favorite Moneyline Underdog Moneyline Total
Mariners -259 +214 8

Mariners Betting Insights

  • This season, the Mariners have won 28 out of the 52 games, or 53.8%, in which they’ve been favored.
  • Seattle has entered three games this season favored by -259 or more, and won each of those games.
  • The moneyline for this contest implies a 72.1% chance of a victory for the Mariners.
  • Seattle and its opponents have gone over the total this season in 37 of 76 opportunities.
  • In 76 games with a spread this season, the Mariners are 33-43-0 ATS.

Mariners Last 10 Games Trend

Stat Avg/Total
Record 4-6
Runs Per Game 4.4
HR 14
ERA 2.73
K/9 8.2

Nationals Betting Insights

  • The Nationals have been underdogs in 74 games this season and have come away with the win 28 times (37.8%) in those contests.
  • Washington has a win-loss record of 3-8 when favored by +214 or worse by bookmakers this year.
  • The Nationals have an implied victory probability of 31.8% according to the moneyline set for this matchup.
  • Contests with Washington has gone over the total set by sportsbooks in 36 of 77 chances this season.
  • The Nationals are 43-34-0 against the spread in their 77 games with a line set by sportsbooks this season.

Nationals Last 10 Games Trend

Stat Avg/Total
Record 3-7
Runs Per Game 3.7
HR 9
ERA 4.96
K/9 7.9

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Mariners Probable Pitcher – Luis Castillo

  • Castillo and his team are 4-11-0 ATS this season when he starts.
  • The right-hander’s last appearance was on Wednesday, when he threw five innings against the New York Yankees, giving up three earned runs while allowing four hits.
  • Castillo has pitched five or more innings in 15 straight games and will look to extend that streak.
  • He has five appearances this season with zero earned runs allowed out of his 15 chances this season.
  • Castillo’s team has a record of 6-7 this season when he starts and they are the favorite on the moneyline.
  • In games Castillo has started, his team is 6-9.
  • Out of Castillo’s 15 starts with a total this season, six have hit the over.

Mariners Relief Pitchers

Name Relief App. IP Ks ERA Holds Saves
Matt Brash 37 31.1 57 3.73 6 1
Gabe Speier 33 27.1 26 2.63 7 0
Paul Sewald 31 30.1 41 2.67 0 13
Justin Topa 31 29.2 26 3.34 13 1
Tayler Saucedo 19 19.1 20 2.79 0 0

Nationals Probable Pitcher – Trevor Williams

  • The Nationals are sending Williams (4-4) to the mound to make his 16th start of the season. He is 4-4 with a 4.14 ERA and 58 strikeouts in 76 2/3 innings pitched.
  • In his most recent time out on Wednesday against the St. Louis Cardinals, the right-hander threw six scoreless innings while surrendering five hits.
  • Williams heads into this matchup with 12 outings of five or more innings pitched this season.
  • He has made three appearances this season in which he did not give up an earned run.
  • The Nationals have an 8-7 record in Williams’ 15 starts this season when they were the moneyline underdog.
  • Williams’ team has compiled an 8-7 record in his 15 starts.
  • Williams has had 15 starts with a total this season, and the teams combined to hit the over in five of those outings.

Nationals Relief Pitchers

Name Relief App. IP Ks ERA Holds Saves
Hunter Harvey 32 33 36 3.55 11 5
Mason Thompson 30 38.1 34 3.05 6 1
Kyle Finnegan 29 30 32 3.9 5 11
Thad Ward 19 29 26 6.21 0 0
Andres Machado 14 17 12 8.47 1 0

Mariners Hitting Trends

  • The Mariners are 18-8 this season in games when they send out two or more home runs.
  • Seattle is 8-1 in games this season when it has had at least five extra-base hits.
  • The club has put up eight or more hits 48 times this season, and has a 29-19 record in those games.
  • Seattle is 34-7 in games this season when it scored at least five runs.
  • The Mariners are 21-7 in games this season when they have drawn five or more walks.

Nationals Hitting Trends

  • They are 9-6 this season when they hit two or more home runs in a game.
  • Washington has won nine of its 12 games with five or more extra-base hits this season.
  • They have won 26 of the 52 games in which they’ve collected eight or more hits this season.
  • In 29 games this season with five or more runs scored, it has posted a record of 19-10.
  • In 16 games this season with five or more walks drawn, they’ve posted a record of 7-9

Mariners vs. Nationals Prediction

Moneyline Pick: Mariners (-259)
Over/Under Pick: Under (8)

Predictions are calculated by a data-driven algorithm derived from offensive performance metrics and probable starting pitchers.

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