Orioles vs Nationals Prediction, Odds, Moneyline, Spread & Over/Under for May 17

Odds updated as of 12:11 a.m.

The Baltimore Orioles will take on the Washington Nationals in MLB action on Sunday.

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

Orioles vs Nationals Game Info

• Baltimore Orioles (20-26) vs. Washington Nationals (23-23)
• Date: Sunday, May 17, 2026
• Time: 1:35 p.m. ET
• Venue: Nationals Park -- Washington, District of Columbia
• Coverage: Nationals.TV and MASN

Orioles vs Nationals Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: BAL: (-134) | WSH: (+114)
• Spread: BAL: -1.5 (+120) | WSH: +1.5 (-144)
• Total: 10 -- Over: (-115) | Under: (-105)

Orioles vs Nationals Probable Starting Pitchers

Probable Pitchers: Brandon Young (Orioles) - 3-1, 4.15 ERA vs Miles Mikolas (Nationals) - 1-3, 7.00 ERA

This contest's pitching matchup is set, as the Orioles will send Brandon Young (3-1) to the mound, while Miles Mikolas (1-3) will get the nod for the Nationals. Young and his team are 3-2-0 ATS this season when he starts. Young's team has a record of 2-1 this season when he starts and they are the favorite on the moneyline. The Nationals have gone 3-3-0 ATS in Mikolas' six starts with a set spread. The Nationals have been the moneyline underdog in six of Mikolas' starts this season, and they went 3-3 in those games.

Orioles vs Nationals Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Nationals win (58%)

Orioles vs Nationals Moneyline

• The moneyline numbers for Orioles vs. Nationals reveal Baltimore as the favorite (-134) and Washington as the underdog (+114) despite being the home team.

Orioles vs Nationals Spread

• The Orioles are 1.5-run road favorites on the runline against the Nationals. The Orioles are +120 to cover, and the Nationals are -144.

Orioles vs Nationals Over/Under

• A combined run total of 10 has been set for Orioles-Nationals on May 17, with the over at -115 and the under at -105.

Bet on Baltimore Orioles vs. Washington Nationals on FanDuel today!

Orioles vs Nationals Betting Trends

• The Orioles have been favorites in 24 games this season and have come away with the win 12 times (50%) in those contests.
• This season Baltimore has been victorious six times in 13 chances when named as a favorite of at least -134 on the moneyline.
• The Orioles and their opponents have gone over the total this season in 27 of their 46 opportunities.
• The Orioles are 20-26-0 against the spread in their 46 games that had a posted line this season.
• The Nationals have won 48.8% of the games this season they were the moneyline underdog (21-22).
• In games it has played as a moneyline underdog with odds of +114 or longer, Washington has an 18-16 record (winning 52.9% of its games).
• In the 46 games oddsmakers have set an over/under for the Nationals, they have combined with opponents to go over the total 29 times (29-15-2).
• The Nationals have gone 27-19-0 against the spread this season.

Orioles Player Leaders

• Taylor Ward leads Baltimore with an OBP of .424, plus a team-best slugging percentage of .375. He's batting .269 on the season.
• Among all qualified hitters in MLB, he ranks 55th in batting average, third in on-base percentage, and 112th in slugging.
• Ward will look for his fifth straight game with a hit in this matchup. In his last five games he is hitting .316 with a double, three walks and an RBI.
• Pete Alonso leads Baltimore with 38 hits. He is batting .220 this season and has 19 extra-base hits. He's also slugging .422 with an on-base percentage of .308.
• Among all qualified, he is 133rd in batting average, 121st in on-base percentage and 67th in slugging percentage.
• Adley Rutschman is batting .268 with a .509 slugging percentage and 24 RBI this year.
• Gunnar Henderson has been key for Baltimore with 38 hits, an OBP of .256 plus a slugging percentage of .393.

Nationals Player Leaders

• C.J. Abrams has a team-high OBP (.393) and slugging percentage (.540), and leads the Nationals in hits (49, while batting .301).
• Including all qualified players, he is 21st in batting average, while his on-base percentage ranks 13th and he is 16th in slugging.
• James Wood is hitting .236 with 12 doubles, 12 home runs and 38 walks. He's slugging .511 with an on-base percentage of .384.
• He ranks 110th in batting average, 19th in on-base percentage and 22nd in slugging percentage in MLB.
• Daylen Lile has put up a team-best .456 slugging percentage.
• Luis Garcia is hitting .269 with eight doubles, two triples, three home runs and six walks.

Orioles vs Nationals Head to Head

• 5/16/2026: 13-3 WSH (Favorite: Nationals, Spread: -1.5, Total: 10, Favorite Moneyline: -108, Underdog Moneyline: -108)
• 5/15/2026: 3-2 WSH (Favorite: Orioles, Spread: -1.5, Total: 9.5, Favorite Moneyline: -138, Underdog Moneyline: +118)
• 5/18/2025: 10-4 WSH (Favorite: Orioles, Spread: -1.5, Total: 9.5, Favorite Moneyline: -184, Underdog Moneyline: +154)
• 5/17/2025: 10-6 WSH (Favorite: Orioles, Spread: -1.5, Total: 10.5, Favorite Moneyline: -148, Underdog Moneyline: +126)
• 5/16/2025: 4-3 WSH (Favorite: Orioles, Spread: -1.5, Total: 8.5, Favorite Moneyline: -122, Underdog Moneyline: +104)
• 4/24/2025: 2-1 BAL (Favorite: Nationals, Spread: -1.5, Total: 8.5, Favorite Moneyline: -118, Underdog Moneyline: -100)
• 4/23/2025: 4-3 WSH (Favorite: Orioles, Spread: -1.5, Total: 9.5, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 4/22/2025: 7-0 WSH (Favorite: Orioles, Spread: -1.5, Total: 9, Favorite Moneyline: -136, Underdog Moneyline: +116)
• 8/14/2024: 4-1 BAL (Favorite: Orioles, Spread: -1.5, Total: 8.5, Favorite Moneyline: -172, Underdog Moneyline: +144)
• 8/13/2024: 9-3 WSH (Favorite: Orioles, Spread: -1.5, Total: 9, Favorite Moneyline: -184, Underdog Moneyline: +154)

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