Mariners vs. Nationals Prediction: MLB Betting Lines, Stats and Picks – June 28, 2023

Written By PlayPicks Staff on June 28, 2023

The Seattle Mariners (38-40) and Washington Nationals (31-48) play on Wednesday at 4:10 PM ET at T-Mobile Park, attempting to break a 1-1 series tie.

The Nationals are an underdog (+222 moneyline odds) when they take the field at the Mariners (-271). The total for the game is set at 8.5 total runs.

The betting trends in the article below reference odds valid as of June 28, 2023 at 3:20 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 -271 +222 8.5

Mariners Betting Insights

  • The Mariners have been favorites in 54 games this season and won 29 (53.7%) of those contests.
  • Seattle has entered three games this season favored by -271 or more, and won each of those games.
  • The Mariners have a 73% chance to win this game based on the implied probability of the moneyline.
  • Seattle and its opponents have gone over the total this season in 39 of 78 opportunities.
  • The Mariners have an ATS record of 34-44-0 in 78 games with a spread this season.

Mariners Last 10 Games Trend

Stat Avg/Total
Record 4-6
Runs Per Game 5.2
HR 16
ERA 2.87
K/9 7.7

Nationals Betting Insights

  • The Nationals have been underdogs in 76 games this season and have come away with the win 29 times (38.2%) in those contests.
  • Washington has a win-loss record of 3-5 when favored by +222 or worse by oddsmakers this year.
  • Oddsmakers have implied with the moneyline set for this matchup that the Nationals have a 31.1% chance of pulling out a win.
  • Washington’s games have gone over the total in 38 of its 79 opportunities.
  • In 79 games with a line this season, the Nationals have a mark of 44-35-0 against the spread.

Nationals Last 10 Games Trend

Stat Avg/Total
Record 4-6
Runs Per Game 4.1
HR 11
ERA 5.00
K/9 8.3

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Mariners Probable Pitcher – Logan Gilbert

  • Gilbert and his team are 6-9-0 ATS this season when he starts.
  • The right-hander’s last appearance was on Friday, when he threw seven innings against the Baltimore Orioles, giving up one earned run while allowing two hits.
  • Gilbert will look to finish five or more innings for the third start in a row.
  • He has allowed at least one earned run in every appearance this season.
  • Gilbert’s team has a record of 4-8 this season when he starts and they are the favorite on the moneyline.
  • Gilbert’s team has a 7-8 record in his starts this season.
  • In games Gilbert has started this season, the teams are 8-6-1 at hitting the over.

Mariners Relief Pitchers

Name Relief App. IP Ks ERA Holds Saves
Matt Brash 38 32.1 58 3.62 6 1
Gabe Speier 34 28.1 27 2.86 8 0
Paul Sewald 33 31.2 42 2.84 0 14
Justin Topa 32 30.2 27 3.23 13 1
Trevor Gott 27 27.2 31 3.9 7 0

Nationals Probable Pitcher – Patrick Corbin

  • The Nationals are sending Corbin (4-9) out to make his 17th start of the season. He is 4-9 with a 5.32 ERA and 57 strikeouts over 89 2/3 innings pitched.
  • The left-hander’s last time out came on Saturday against the San Diego Padres, when he threw five innings, surrendering seven earned runs while giving up seven hits.
  • Corbin is looking for his 16th straight outing lasting five or more innings. He averages 5.6 innings per start.
  • He allowed one or more earned runs in all of his outings in 2023.
  • The Nationals have been the moneyline underdog in 15 of Corbin’s starts this season, and they went 6-9 in those matchups.
  • Corbin’s team has won seven of his 16 starts.
  • Corbin has had 16 starts with a total this season, and the teams combined to go over the total in eight of those matchups.

Nationals Relief Pitchers

Name Relief App. IP Ks ERA Holds Saves
Hunter Harvey 33 34 37 3.44 11 5
Mason Thompson 31 38.2 34 3.26 6 1
Kyle Finnegan 30 32 33 3.66 5 11
Thad Ward 20 29.2 26 6.07 0 0
Andres Machado 14 17 12 8.47 1 0

Mariners Hitting Trends

  • The Mariners are 19-8 this season in games when they send out at least two bombs.
  • Seattle is 8-1 in games this season when it has put up at least five extra-base hits.
  • The club has notched eight or more hits in 49 games this season, and is 30-19 in those contests.
  • Seattle has a 35-7 record in games this season when it scored five or more runs.
  • The Mariners have drawn five or more walks in 30 games this season, and are 22-8 in those contests.

Nationals Hitting Trends

  • They’ve hit two or more homers in 16 games this season and are 9-7 in those matchups.
  • Washington has gone 9-3 this season when collecting five or more extra-base hits as a team.
  • They have won 27 of the 54 games in which they’ve collected eight or more hits this season.
  • Washington has won 20 of its 30 games this season in which it scored more than four runs.
  • They have won eight of their 17 games this season in which they’ve drawn more than four free passes.

Mariners vs. Nationals Prediction

Moneyline Pick: Mariners (-271)
Over/Under Pick: Under (8.5)

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

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