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

Odds updated as of 2:12 a.m.

The MLB schedule on Saturday includes the Tampa Bay Rays facing the Washington Nationals.

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

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: (-116) | WSH: (-102)
• Spread: TB: +1.5 (-192) | WSH: -1.5 (+158)
• 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 Rays will look to Ian Seymour (3-0) versus the Nationals and Cade Cavalli (4-4). 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 underdog on the moneyline.

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

• Looking at the moneyline for Rays-Nationals, Tampa Bay is the favorite at -116, and Washington is -102 playing on the road.

Rays vs Nationals Spread

• The Nationals are 1.5-run favorites against the spread for this matchup with the Rays. The Nationals are +158 to cover, while the Rays are -192 to cover as a 1.5-run underdog on the runline.

Rays vs Nationals Over/Under

• The over/under for the Rays versus Nationals contest on June 20 has been set at 8.5, with -106 odds on the over and -114 odds on the under.

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Rays vs Nationals Betting Trends

• The Rays have been victorious in 26, or 60.5%, of the 43 contests they have been chosen as favorites in this season.
• Tampa Bay has a record of 25-12 when favored by -116 or more this year.
• 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 that had a posted line this season.
• The Nationals are 34-30 in games they were the underdog on the moneyline (winning 53.1% of those games).
• Washington has gone 31-26 when it has played as a moneyline underdog with odds of -102 or longer (54.4%).
• The Nationals have combined with opponents to go over the total 46 times this season for a 46-26-3 record against the over/under.
• 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 lead Tampa Bay hitters this season. He has a .320 batting average, as well.
• Among qualified hitters, he ranks fifth in batting average, his on-base percentage ranks seventh, and he is 27th in slugging.
• Diaz will look for his fourth straight game with a hit in this matchup. In his last five games he is batting .250 with two walks and an RBI.
• Junior Caminero is batting .276 with 12 doubles, 15 home runs and 42 walks, while slugging .485 with an on-base percentage of .371.
• Among qualified hitters, his batting average places him 42nd, his on-base percentage 27th, and his slugging percentage 32nd.
• Caminero brings a two-game streak with at least one hit into this contest. In his last five games he is hitting .316 with a double, a home run, a walk and three RBIs.
• Jonathan Aranda has collected 71 base hits, an OBP of .377 and a slugging percentage of .453 this season.
• Aranda enters this game with two games in a row with at least one hit. In his last five games he is hitting .350 with a double, a home run, a walk and three RBIs.
• Chandler Simpson has been key for Tampa Bay with 67 hits, an OBP of .295 plus a slugging percentage of .305.

Nationals Player Leaders

• James Wood has 79 hits with a .402 on-base percentage and a .540 slugging percentage, all club-bests for the Nationals. He's batting .273.
• Including all the qualified players in MLB, his batting average is 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.
• Including all qualifying players, he ranks 27th in batting average, 31st in on-base percentage and 21st in slugging percentage.
• Daylen Lile is batting .254 with 16 doubles, three triples, eight home runs and 24 walks.
• 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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