Red Sox vs Nationals Prediction, Odds, Moneyline, Spread & Over/Under for June 30

Odds updated as of 2:12 a.m.

The Boston Red Sox versus the Washington Nationals is on the MLB schedule for Tuesday.

Before checking out the MLB betting lines on FanDuel Sportsbook, we've got you covered, in terms of the vital info about this game.

Red Sox vs Nationals Game Info

• Boston Red Sox (37-46) vs. Washington Nationals (43-43)
• Date: Tuesday, June 30, 2026
• Time: 7:10 p.m. ET
• Venue: Fenway Park -- Boston, Massachusetts
• Coverage: NESN and Nationals.TV

Red Sox vs Nationals Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: BOS: (-134) | WSH: (+116)
• Spread: BOS: -1.5 (+155) | WSH: +1.5 (-188)
• Total: 9.5 -- Over: (-105) | Under: (-115)

Red Sox vs Nationals Probable Starting Pitchers

Probable Pitchers: Connelly Early (Red Sox) - 7-5, 3.59 ERA vs Cade Cavalli (Nationals) - 4-4, 4.00 ERA

The Red Sox will call on Connelly Early (7-5) against the Nationals and Cade Cavalli (4-4). Early and his team have a record of 7-9-0 against the spread when he starts. Early's team has been victorious in 27.3% of the games he's started as the moneyline favorite with a record of 3-8. The Nationals have a 9-8-0 record against the spread in Cavalli's starts. The Nationals are 4-9 in Cavalli's 13 starts this season that they were the moneyline underdog.

Red Sox vs Nationals Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Red Sox win (50.1%)

Red Sox vs Nationals Moneyline

• Looking at the moneyline for Nationals-Red Sox, Washington is the underdog at +116, and Boston is -134 playing at home.

Red Sox vs Nationals Spread

• The Nationals are +1.5 on the spread (-188 to cover), and Boston is +155 to cover the runline.

Red Sox vs Nationals Over/Under

• Red Sox versus Nationals, on June 30, has an over/under of 9.5, with the over being -105 and the under -115.

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Red Sox vs Nationals Betting Trends

• The Red Sox have been favorites in 52 games this season and have come away with the win 23 times (44.2%) in those contests.
• This year Boston has won nine of 26 games when listed as at least -134 on the moneyline.
• The Red Sox's games have gone over the total in 37 of their 83 opportunities.
• The Red Sox have an against the spread record of 37-46-0 in 83 games with a line this season.
• The Nationals have put together a 37-36 record in games they were the underdog on the moneyline (winning 50.7% of those games).
• Washington has a 24-21 record (winning 53.3% of its games) when playing as a moneyline underdog of +116 or longer.
• The Nationals have played in 84 games with a set over/under, and have combined with opponents to go over the total 50 times (50-31-3).
• The Nationals have put together a 49-35-0 record against the spread this season (covering 58.3% of the time).

Red Sox Player Leaders

• Willson Contreras leads Boston with 81 hits and an OBP of .376 this season. He has a .282 batting average and a slugging percentage of .533.
• Among all qualifying hitters in the majors, his batting average ranks 29th, his on-base percentage ranks 20th, and he is 11th in slugging.
• Contreras has recorded a base hit in four straight games. In his last five games he is batting .313 with a double, two home runs, two walks and seven RBIs.
• Wilyer Abreu has hit 10 homers this season while driving in 39 runs. He's batting .268 this season and slugging .435 with an on-base percentage of .334.
• Among all qualifying hitters, he ranks 49th in batting average, 74th in on-base percentage and 71st in slugging percentage.
• Ceddanne Rafaela leads Boston in slugging percentage (.437) powered by 28 extra-base hits.
• Caleb Durbin is batting .231 with a .286 OBP and 35 RBI for Boston this season.
• Durbin enters this matchup on a five-game hitting streak. In his last five games he is batting .389 with a double, two home runs, two walks and five RBIs.

Nationals Player Leaders

• James Wood has accumulated an on-base percentage of .383 and a slugging percentage of .509. Both lead the Nationals. He's batting .258.
• Including all the qualifying hitters in the big leagues, his batting average places him 69th, his on-base percentage is 15th, and he is 21st in slugging.
• C.J. Abrams has 16 doubles, two triples, 17 home runs and 31 walks while hitting .275. He's slugging .507 with an on-base percentage of .357.
• Including all qualifying hitters, he is 41st in batting average, 41st in on-base percentage and 22nd in slugging percentage.
• Luis Garcia has racked up 73 hits, a team-high for the Nationals.
• Daylen Lile is batting .248 with 18 doubles, three triples, eight home runs and 24 walks.

Red Sox vs Nationals Head to Head

• 6/29/2026: 6-3 BOS (Favorite: Red Sox, Spread: -1.5, Total: 8.5, Favorite Moneyline: -178, Underdog Moneyline: +150)
• 7/6/2025: 6-4 BOS (Favorite: Red Sox, Spread: -1.5, Total: 8.5, Favorite Moneyline: -245, Underdog Moneyline: +200)
• 7/5/2025: 10-3 BOS (Favorite: Red Sox, Spread: -1.5, Total: 9.5, Favorite Moneyline: -118, Underdog Moneyline: -100)
• 7/4/2025: 11-2 BOS (Favorite: Red Sox, Spread: -1.5, Total: 8, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 5/12/2024: 3-2 BOS (Favorite: Red Sox, Spread: -1.5, Total: 7.5, Favorite Moneyline: -138, Underdog Moneyline: +118)
• 5/11/2024: 4-2 BOS (Favorite: Red Sox, Spread: -1.5, Total: 8.5, Favorite Moneyline: -158, Underdog Moneyline: +134)
• 5/10/2024: 5-1 WSH (Favorite: Red Sox, Spread: -1.5, Total: 8.5, Favorite Moneyline: -220, Underdog Moneyline: +184)
• 8/17/2023: 10-7 WSH (Favorite: Red Sox, Spread: -1.5, Total: 10, Favorite Moneyline: -186, Underdog Moneyline: +156)
• 8/16/2023: 6-2 WSH (Favorite: Red Sox, Spread: -1.5, Total: 9, Favorite Moneyline: -164, Underdog Moneyline: +138)
• 8/15/2023: 5-4 BOS (Favorite: Red Sox, Spread: -1.5, Total: 9.5, Favorite Moneyline: -172, Underdog Moneyline: +144)

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