Rays vs Nationals Prediction, Odds, Moneyline, Spread & Over/Under for June 20

Odds updated as of 3:12 p.m.

On Saturday in MLB, the Tampa Bay Rays are up against the Washington Nationals.

Before checking out the MLB betting lines on FanDuel Sportsbook, we've got you covered, in terms of the most important information regarding this matchup.

Rays vs Nationals Game Info

• Tampa Bay Rays (42-30) vs. Washington Nationals (39-37)
• Date: Saturday, June 20, 2026
• Time: 4:10 p.m. ET
• Venue: Tropicana Field -- St. Petersburg, Florida
• Coverage: Rays.TV and Nationals.TV

Rays vs Nationals Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: TB: (-120) | WSH: (+102)
• Spread: TB: +1.5 (-200) | WSH: -1.5 (+164)
• Total: 8 -- Over: (-110) | Under: (-110)

Rays vs Nationals Probable Starting Pitchers

Probable Pitchers: Ian Seymour (Rays) - 3-0, 4.93 ERA vs Cade Cavalli (Nationals) - 4-4, 3.98 ERA

The probable starters are Ian Seymour (3-0) for the Rays and Cade Cavalli (4-4) for the Nationals. Seymour has a record of 2-0-0 ATS in two starts with a spread this season. Seymour's team won his only start as a favorite this season. When Cavalli starts, the Nationals are 9-6-0 against the spread. The Nationals have a 3-8 record in Cavalli's 11 starts this season when they were the moneyline underdog.

Rays vs Nationals Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Rays win (55.8%)

Rays vs Nationals Moneyline

• Looking at the moneyline for Nationals-Rays, Washington is the underdog at +102, and Tampa Bay is -120 playing at home.

Rays vs Nationals Spread

• The Nationals are 1.5-run favorites against the spread for this matchup with the Rays. The Nationals are +164 to cover, while the Rays are -200 to cover as a 1.5-run underdog on the runline.

Rays vs Nationals Over/Under

• An over/under of 8 has been set for Rays-Nationals on June 20, with the over being -110 and the under -110.

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Rays vs Nationals Betting Trends

• The Rays have been favorites in 43 games this season and have come away with the win 26 times (60.5%) in those contests.
• Tampa Bay has a record of 20-10 when favored by -120 or more this year.
• The Rays and their opponents have hit the over in 35 of their 71 games with a total set by oddsmakers this season.
• The Rays have posted a record of 42-29-0 against the spread this season.
• The Nationals have won 34 of the 64 games they were the underdog on the moneyline this season (53.1%).
• Washington has a record of 29-25 when it has played as a moneyline underdog with odds of +102 or longer (53.7%).
• In the 75 games bookmakers have set an over/under for the Nationals, they have combined with opponents to go over the total 46 times (46-26-3).
• The Nationals have collected a 46-29-0 record ATS this season (covering 61.3% of the time).

Rays Player Leaders

• Yandy Diaz has 85 hits and an OBP of .398 to go with a slugging percentage of .504. All three of those stats are tops among Tampa Bay hitters this season. He has a .320 batting average, as well.
• Among qualifying hitters, he is fifth in batting average, his on-base percentage ranks seventh, and he is 27th in slugging.
• Diaz has recorded a base hit in three straight games. In his last five games he is batting .250 with two walks and an RBI.
• Junior Caminero has 12 doubles, 15 home runs and 42 walks. He's batting .276 and slugging .485 with an on-base percentage of .371.
• His batting average is 41st among qualified players, his on-base percentage 27th, and his slugging percentage 32nd.
• Caminero takes a two-game streak with at least one hit into this one. In his last five games he is hitting .316 with a double, a home run, a walk and three RBIs.
• Jonathan Aranda is batting .275 with a .453 slugging percentage and 51 RBI this year.
• Aranda has recorded at least one base hit in two straight games. During his last five outings he is hitting .350 with a double, a home run, a walk and three RBIs.
• Chandler Simpson is batting .259 with a .295 OBP and 14 RBI for Tampa Bay this season.

Nationals Player Leaders

• James Wood has racked up an on-base percentage of .402, a slugging percentage of .540, and has 79 hits, all club-bests for the Nationals (while batting .273).
• Including all the qualifying hitters in MLB, he is 47th in batting average, fourth in on-base percentage and 11th in slugging percentage.
• C.J. Abrams is hitting .284 with 14 doubles, two triples, 15 home runs and 29 walks. He's slugging .513 with an on-base percentage of .367.
• Including all qualifying hitters, his batting average places him 27th, his on-base percentage is 31st, and he is 21st in slugging.
• Daylen Lile is batting .254 with 16 doubles, three triples, eight home runs and 24 walks.
• Luis Garcia is hitting .265 with 12 doubles, three triples, 10 home runs and eight walks.

Rays vs Nationals Head to Head

• 6/19/2026: 5-2 TB (Favorite: Rays, Spread: -1.5, Total: 8.5, Favorite Moneyline: -154, Underdog Moneyline: +130)
• 8/31/2025: 7-4 TB (Favorite: Rays, Spread: -1.5, Total: 8, Favorite Moneyline: -138, Underdog Moneyline: +118)
• 8/30/2025: 4-1 TB (Favorite: Rays, Spread: -1.5, Total: 8.5, Favorite Moneyline: -158, Underdog Moneyline: +134)
• 8/29/2025: 4-1 TB (Favorite: Rays, Spread: -1.5, Total: 9, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 6/30/2024: 5-0 TB (Favorite: Rays, Spread: -1.5, Total: 8, Favorite Moneyline: -188, Underdog Moneyline: +158)
• 6/29/2024: 8-1 WSH (Favorite: Rays, Spread: -1.5, Total: 7.5, Favorite Moneyline: -138, Underdog Moneyline: +118)
• 6/28/2024: 3-1 TB (Favorite: Rays, Spread: -1.5, Total: 7.5, Favorite Moneyline: -174, Underdog Moneyline: +146)
• 4/5/2023: 7-2 TB (Favorite: Rays, Spread: -1.5, Total: 8.5, Favorite Moneyline: -275, Underdog Moneyline: +225)
• 4/4/2023: 10-6 TB (Favorite: Rays, Spread: -1.5, Total: 9, Favorite Moneyline: -176, Underdog Moneyline: +148)
• 4/3/2023: 6-2 TB (Favorite: Rays, Spread: -1.5, Total: 8, Favorite Moneyline: -184, Underdog Moneyline: +154)

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