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

Odds updated as of 11:11 p.m.

On Sunday in MLB, the Baltimore Orioles are playing the Washington Nationals.

Here's what you need to know before checking out today's MLB odds and spreads on FanDuel Sportsbook.

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 (+118) | WSH: +1.5 (-142)
• 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. When Young starts a game and his team is the favorite on the moneyline, they have a record of 2-1. The Nationals have a 3-3-0 ATS record in Mikolas' six starts that had a set spread. The Nationals are 3-3 in Mikolas' six starts this season that they were the underdog on the moneyline.

Orioles vs Nationals Prediction & Pick

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

Orioles vs Nationals Moneyline

• Baltimore is a -134 favorite on the moneyline, while Washington is a +114 underdog at home.

Orioles vs Nationals Spread

• The Nationals are +1.5 on the run line against the Orioles. The Nationals are -142 to cover, and the Orioles are +118.

Orioles vs Nationals Over/Under

• Orioles versus Nationals, on May 17, has an over/under of 10, with the over being -115 and the under -105.

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

Orioles vs Nationals Betting Trends

• The Orioles have come away with 12 wins in the 24 contests they have been listed as the favorites in this season.
• This season Baltimore has been victorious six times in 13 chances when named as a favorite of at least -134 on the moneyline.
• Contests with the Orioles have gone over the total set by bookmakers in 27 of 46 chances this season.
• The Orioles are 20-26-0 against the spread in their 46 games that had a posted line this season.
• The Nationals have won 21 of the 43 games they were the moneyline underdog this season (48.8%).
• Washington has gone 18-16 when it has played as a moneyline underdog with odds of +114 or longer (52.9%).
• The Nationals have played in 46 games with a set over/under, and have combined with their opponents to go over the total 29 times (29-15-2).
• The Nationals have a 27-19-0 record against the spread this season (covering 58.7% of the time).

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.
• He ranks 55th in batting average, third in on-base percentage, and 111th in slugging among qualified batters in baseball.
• Ward has hit safely in four straight games. During his last five outings he is batting .316 with a double, three walks and an RBI.
• Pete Alonso has 38 hits, which is tops among Baltimore batters this season. He's batting .220 with 19 extra-base hits. He's also slugging .422 with an on-base percentage of .308.
• Among qualifiers, he is 132nd in batting average, 121st in on-base percentage and 67th in slugging percentage.
• Adley Rutschman has collected 30 base hits, an OBP of .314 and a slugging percentage of .509 this season.
• Gunnar Henderson has nine home runs, 22 RBI and a batting average of .199 this season.

Nationals Player Leaders

• C.J. Abrams has accumulated a team-best OBP (.393) and slugging percentage (.540), while leading the Nationals in hits (49, while batting .301).
• Including all qualifying hitters in the majors, he is 21st in batting average, 12th in on-base percentage and 16th in slugging percentage.
• 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.
• Including all qualified hitters, his batting average places him 110th, his on-base percentage is 19th, and he is 22nd in slugging.
• Daylen Lile has put up a slugging percentage of .456, a team-high for the Nationals.
• 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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