Rays vs Nationals Prediction, Odds, Moneyline, Spread & Over/Under for Aug. 30

Odds updated as of 5:16 a.m.

In MLB action on Saturday, the Tampa Bay Rays play the Washington Nationals.

Before you do any MLB betting on this game at FanDuel Sportsbook, here's everything you need to know.

Rays vs Nationals Game Info

• Tampa Bay Rays (65-69) vs. Washington Nationals (53-81)
• Date: Saturday, August 30, 2025
• Time: 4:05 p.m. ET
• Venue: Nationals Park -- Washington, District of Columbia
• Coverage: MASN and FDSSUN

Rays vs Nationals Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: TB: (-154) | WSH: (+130)
• Spread: TB: -1.5 (+104) | WSH: +1.5 (-125)
• Total: 9 -- Over: (-112) | Under: (-108)

Rays vs Nationals Probable Starting Pitchers

Probable Pitchers: Ryan Pepiot (Rays) - 9-10, 3.82 ERA vs Jake Irvin (Nationals) - 8-9, 5.40 ERA

The Rays will give the nod to Ryan Pepiot (9-10) against the Nationals and Jake Irvin (8-9). When Pepiot starts, his team is 8-18-0 against the spread this season. Pepiot's team is 7-5 this season when he starts and they are the moneyline favorite. When Irvin starts, the Nationals have gone 15-11-0 against the spread. The Nationals are 13-12 in Irvin's 25 starts this season that they were the moneyline underdog.

Rays vs Nationals Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Rays win (60.7%)

Rays vs Nationals Moneyline

• Looking at the moneyline for Nationals-Rays, Washington is the underdog at +130, and Tampa Bay is -154 playing on the road.

Rays vs Nationals Spread

• The Rays are at the Nationals and are favored by 1.5 runs on the spread. The Rays are +104 to cover the runline, with the Nationals being -125.

Rays vs Nationals Over/Under

• A combined run total of 9 has been set for Rays-Nationals on Aug. 30, with the over at -112 and the under at -108.

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Rays vs Nationals Betting Trends

• The Rays have been victorious in 35, or 58.3%, of the 60 contests they have been chosen as favorites in this season.
• This year Tampa Bay has won six of 17 games when listed as at least -154 on the moneyline.
• The Rays and their opponents have hit the over in 54 of their 129 games with a total set by oddsmakers this season.
• The Rays are 55-74-0 against the spread in their 129 games with a line set by sportsbooks this season.
• The Nationals have compiled a 47-62 record in games they were listed as the moneyline underdog (winning 43.1% of those games).
• When playing as a moneyline underdog with odds of +130 or longer, Washington has a 26-36 record (winning 41.9% of its games).
• The Nationals have had an over/under set by oddsmakers 128 times, and have combined with opponents to go over the total in 68 of those games (68-53-7).
• The Nationals have collected a 63-65-0 record ATS this season (covering 49.2% of the time).

Rays Player Leaders

• Junior Caminero leads Tampa Bay in total hits (130) this season while batting .258 with 61 extra-base hits. He has an on-base percentage of .300 and a slugging percentage of .534.
• Among the qualified hitters in the majors, his batting average ranks 80th, his on-base percentage ranks 129th, and he is 11th in slugging.
• Yandy Diaz is slashing .287/.346/.473 this season and leads the Rays with an OPS of .819.
• He is 19th in batting average, 46th in on-base percentage and 41st in slugging in the major leagues.
• Diaz has picked up at least one hit in four straight games. In his last five games he is batting .421 with three doubles, a home run, two walks and an RBI.
• Brandon Lowe is batting .264 with a .490 slugging percentage and 67 RBI this year.
• Lowe takes a two-game hitting streak into this game. In his last five games he is batting .176 with two home runs, four walks and four RBIs.
• Chandler Simpson is batting .295 with a .331 OBP and 22 RBI for Tampa Bay this season.

Nationals Player Leaders

• C.J. Abrams has a .455 slugging percentage, which leads the Nationals. He's batting .270 with an on-base percentage of .331.
• Including all the qualified hitters in the big leagues, he is 45th in batting average, 73rd in on-base percentage and 58th in slugging percentage.
• Abrams heads into this game on a four-game hitting streak. During his last five outings he is hitting .400 with a double, a walk and two RBIs.
• James Wood paces his team with 130 hits and a .357 OBP, with a team-high .478 slugging percentage. He has a batting average of .260.
• His batting average ranks 72nd among all qualified players, his on-base percentage ranks 28th, and he is 35th in slugging.
• Luis Garcia is batting .260 with 25 doubles, a triple, 11 home runs and 23 walks.
• Josh Bell has 12 doubles, a triple, 16 home runs and 51 walks while batting .229.

Rays vs Nationals Head to Head

• 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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