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

Odds updated as of 1:12 a.m.

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

We've got you covered, in terms of the vital information about this matchup before you take a look at the MLB odds and spreads on FanDuel Sportsbook.

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: (-110) | WSH: (-106)
• Spread: TB: +1.5 (-184) | WSH: -1.5 (+152)
• Total: 8.5 -- Over: (-106) | Under: (-114)

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 pitchers 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. The Nationals have gone 9-6-0 against the spread when Cavalli starts. 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 (58.5%)

Rays vs Nationals Moneyline

• Washington is a -106 underdog on the moneyline, while Tampa Bay is a -110 favorite 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 +152 to cover, while the Rays are -184 to cover as a 1.5-run underdog on the runline.

Rays vs Nationals Over/Under

• Rays versus Nationals, on June 20, has an over/under of 8.5, with the over being -106 and the under -114.

Bet on Tampa Bay Rays vs. Washington Nationals on FanDuel today!

Rays vs Nationals Betting Trends

• The Rays have been chosen as favorites in 43 games this year and have walked away with the win 26 times (60.5%) in those games.
• This season Tampa Bay has come away with a win 26 times in 43 chances when named as a favorite of at least -110 on the moneyline.
• The Rays and their opponents have gone over the total this season in 35 of their 71 opportunities.
• The Rays are 42-29-0 against the spread in their 71 games with a line set by sportsbooks this season.
• The Nationals are 34-30 in games they were the underdog on the moneyline (winning 53.1% of those games).
• When it has played as a moneyline underdog with odds of -106 or longer, Washington has a 33-29 record (winning 53.2% of its games).
• In the 75 games oddsmakers 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.

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 best among Tampa Bay hitters this season. He has a .320 batting average, as well.
• Among all qualifying hitters in MLB, he ranks fifth in batting average, seventh in on-base percentage, and 27th in slugging.
• Diaz will look for his fourth straight game with a hit in this contest. In his last five games he is hitting .250 with two walks and an RBI.
• Junior Caminero is hitting .276 with 12 doubles, 15 home runs and 42 walks, while slugging .485 with an on-base percentage of .371.
• Among all qualifying hitters, he is 41st in batting average, 27th in on-base percentage and 33rd in slugging percentage.
• Caminero has picked up at least one hit in two straight games. During his last five outings he is hitting .316 with a double, a home run, a walk and three RBIs.
• Jonathan Aranda has 71 hits this season and has a slash line of .275/.377/.453.
• Aranda takes a two-game hitting streak into this game. In his last five games he is hitting .350 with a double, a home run, a walk and three RBIs.
• Chandler Simpson has no home runs, but 14 RBI and a batting average of .259 this season.

Nationals Player Leaders

• James Wood has accumulated a team-best OBP (.402) and slugging percentage (.540), while pacing the Nationals in hits (79, while batting .273).
• Including all the qualifying hitters in the big leagues, his batting average ranks 47th, his on-base percentage ranks fourth, and he is 11th in slugging.
• C.J. Abrams is batting .284 with 14 doubles, two triples, 15 home runs and 29 walks. He's slugging .513 with an on-base percentage of .367.
• He is 27th in batting average, 30th in on-base percentage and 21st in slugging percentage in the majors.
• Daylen Lile has 16 doubles, three triples, eight home runs and 24 walks while batting .254.
• Luis Garcia is batting .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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