Nationals vs Orioles Prediction — AI Finds CAN'T MISS MLB Lines & Props (May 18)

Updated: 2025-05-16T03:31:50.923562ZBy Remi at Leans.AI — AI picks for ATS, ML, OU & props

The Washington Nationals and Baltimore Orioles conclude their three-game Beltway Series on Sunday, May 18, 2025, at Oriole Park at Camden Yards. The Nationals have secured the series with victories in the first two games and aim for a sweep, while the Orioles look to salvage the finale and snap their five-game losing streak.

Get key insights, betting trends, and AI-powered predictions to help incorporate into your betting strategies.

AI Sports Betting Algorithm Remi

GAME INFO

Date: May 18, 2025

Start Time: 1:35 PM EST​

Venue: Oriole Park at Camden Yards​

Orioles Record: (15-29)

Nationals Record: (20-27)

OPENING ODDS

WAS Moneyline: +145

BAL Moneyline: -173

WAS Spread: +1.5

BAL Spread: -1.5

Over/Under: 9

WAS
Betting Trends

  • The Nationals have covered the spread in 6 of their last 8 games, showing improved performance against the spread.

BAL
Betting Trends

  • The Orioles are 1–4 against the spread in their last 5 home games, indicating struggles in covering the spread at home.

MATCHUP TRENDS

  • The total has gone OVER in 4 of the Nationals’ last 6 games, suggesting a trend toward higher-scoring contests.

WAS vs. BAL
Best Prop Bet

  • Remi's searched hard and found the best prop for this matchup: K. Ruiz under 5.5 Fantasy Score.

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Washington vs Baltimore Prediction & Odds:
Free MLB Betting Insights for 5/18/25

The final game of the Beltway Series between the Washington Nationals and Baltimore Orioles on Sunday, May 18, 2025, at Oriole Park at Camden Yards carries more than just local bragging rights—it represents a chance for one team to complete a statement sweep and for the other to finally arrest a downward spiral. The Nationals have seized control of the series with back-to-back wins, eking out a 4–3 victory in Friday’s opener and following it up with an offensive explosion in Saturday’s 10–6 triumph. This turnaround has been driven by timely hitting, particularly from rising star James Wood, who leads the team with 12 home runs, and veteran first baseman Nathaniel Lowe, who continues to deliver in key RBI situations, now with a team-high 33 driven in. Washington’s offense has quietly gained momentum in May, pushing them closer to relevance in the NL East, and they’ve now covered the spread in six of their last eight games. Meanwhile, the Orioles are mired in a five-game losing streak, struggling to get consistency from both their pitching and hitting, and have lost control of a series that initially looked like an opportunity to get back on track at home. Baltimore’s starters have been hit hard, and their bullpen has failed to hold late leads, while the offense—despite having explosive names like Gunnar Henderson and Anthony Santander—has gone cold in big moments.

Sunday’s matchup pits Washington right-hander Michael Soroka against Baltimore’s Zach Eflin in a duel that favors the home team on paper. Eflin, sporting a 3–1 record with a 3.13 ERA, has been one of the few bright spots in the Orioles’ rotation and will be counted on to go deep into the game and give his team a chance to salvage the series. Soroka, by contrast, is still trying to find his footing in the Nationals’ rotation, carrying a 0–2 record and a 6.43 ERA into the game, and will need to navigate a lineup eager to bounce back. While the Nationals’ offense has been rolling, they’ll need Soroka to avoid early trouble and lean on a bullpen that’s quietly stabilized in recent weeks. Baltimore, playing with a sense of urgency and pride, will look to get to Soroka early and give Eflin a cushion to work with, but their recent inability to execute in critical situations has been their undoing. If Washington can keep applying pressure with early offense and maintain defensive sharpness, a sweep is within reach. For the Orioles, it’s now or never to respond before the series and their season outlook begin to further spiral. Sunday’s contest will test resilience on both sides—Washington’s ability to sustain momentum, and Baltimore’s resolve to snap out of a slump—and whichever team meets the moment will carry a heavy swing of momentum into the upcoming week.

Washington Nationals MLB Preview

The Washington Nationals head into Sunday’s finale of the Beltway Series with confidence and a chance to complete an impressive road sweep over their regional rivals, the Baltimore Orioles. With back-to-back wins by scores of 4–3 and 10–6, the Nationals have found a rhythm that’s eluded them through much of the season, and now sit at 20–27 with a chance to close the gap in the NL East standings. This turnaround has been sparked by a rejuvenated offense that has produced 14 runs over the first two games of the series, led by breakout rookie James Wood, who leads the club with 12 home runs. Wood has quickly become one of the most dangerous bats in the lineup, pairing raw power with emerging plate discipline to give the Nationals a true middle-of-the-order threat. Nathaniel Lowe has complemented him with clutch production of his own, leading the team with 33 RBIs and providing consistent left-handed pop that has come up big in key moments throughout this series. The Nationals’ approach at the plate has improved markedly, showing more patience and the ability to capitalize with runners in scoring position—a far cry from the early weeks of the season when they struggled to manufacture runs. On the mound Sunday, right-hander Michael Soroka will look to overcome a rocky start to his campaign, carrying a 0–2 record and a 6.43 ERA into what could be a pivotal outing in determining his role in the rotation moving forward. Soroka has shown flashes of the command and poise that once made him a standout in Atlanta, but injuries and inconsistency have kept him from finding a groove.

Against an Orioles lineup with power threats like Gunnar Henderson and Anthony Santander, he’ll need to keep the ball down and avoid falling behind in counts to avoid giving up early damage. Fortunately for Soroka, the Nationals’ bullpen has quietly become a stabilizing force, closing out tight games and bridging the gap when starters fail to go deep. Defensively, Washington has remained sharp, limiting errors and showing improved communication and range up the middle with CJ Abrams and Luis García forming a strong double-play duo. With two straight wins in hand and the Orioles reeling, the Nationals have an excellent opportunity to not only sweep the series but also carry positive momentum into the next leg of their road trip. The key will be staying aggressive on offense, keeping pressure on Baltimore’s pitching staff, and getting five or more competitive innings from Soroka to avoid overtaxing the bullpen. For a team still finding its identity in a tough division, a road sweep against an AL opponent could be the type of spark that turns potential into progress. If the bats stay hot and Soroka finds his rhythm, Washington could walk out of Camden Yards with their most complete series performance of the season.

The Washington Nationals and Baltimore Orioles conclude their three-game Beltway Series on Sunday, May 18, 2025, at Oriole Park at Camden Yards. The Nationals have secured the series with victories in the first two games and aim for a sweep, while the Orioles look to salvage the finale and snap their five-game losing streak. Washington vs Baltimore AI Prediction: Free MLB Betting Insights for May 18. Credit USA TODAY/IMAGN

Credit: USA TODAY/IMAGN

Baltimore Orioles MLB Preview

The Baltimore Orioles return to Oriole Park on Sunday looking to salvage the final game of the Beltway Series after back-to-back defeats have dropped their record to 15–29 and extended their losing streak to five games. It’s been a frustrating stretch for a team that was expected to be more competitive in the AL East, and manager Brandon Hyde now faces mounting pressure to ignite a response from a group that has struggled on both sides of the ball. Offensively, the Orioles haven’t been able to generate momentum, producing just nine runs over their last three games and failing to capitalize with runners in scoring position. Gunnar Henderson remains one of the few consistent bats in the lineup, leading the team with a .281 average and continuing to provide spark at the top of the order. Anthony Santander, despite leading the team in RBIs with 44, has cooled off in recent games and will need to rediscover his power stroke to help Baltimore keep pace with Washington’s surging lineup. The Orioles’ inability to deliver big innings has forced their starting pitchers to operate with minimal margins for error, a scenario that’s worn down their already-struggling bullpen and led to late-game breakdowns, like the one seen in Saturday’s 10–6 loss. On the mound Sunday, Zach Eflin represents Baltimore’s best hope to avoid the sweep. Eflin has been one of the few dependable arms in the rotation, bringing a 3–1 record and 3.13 ERA into the matchup.

Known for his ability to work deep into games and limit walks, Eflin will need to keep the Nationals’ offense in check by mixing pitches effectively and inducing weak contact, especially from hot bats like James Wood and Nathaniel Lowe. The Orioles will also need better support from their defense, which has been shaky of late, allowing unearned runs and missing double-play opportunities that have extended innings and inflated pitch counts. Behind Eflin, Hyde will be hoping the bullpen can bounce back and hold leads should the offense finally break through, though recent trends have not been encouraging. The Orioles’ relievers have struggled with command and have been vulnerable to home runs in high-leverage moments. A sharper effort across the board—timely hitting, clean defense, and reliable pitching—is needed if Baltimore is to snap their skid and avoid being swept at home by a struggling but surging Nationals club. Sunday’s finale is more than just another game—it’s a potential turning point. A win would not only end the losing streak but could restore some belief in a roster that has talent but has underperformed in every key phase this month. Eflin gives them a fighting chance, but he’ll need help from a lineup that must wake up against a shaky Michael Soroka. If the bats come alive and the defense holds, the Orioles can still salvage pride and momentum before continuing their homestand.

Washington vs. Baltimore Prop Picks (AI)

AI algorithm Remi is pouring through mountains of stats on each player. In fact, anytime the Nationals and Orioles play there’s always several intriguing angles to key in on. Not to mention games played at Oriole Park at Camden Yards in May rarely follow normal, predictable patterns.
Remi's searched hard and found the best prop for this matchup: K. Ruiz under 5.5 Fantasy Score.

Washington vs. Baltimore Prediction (AI)

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Remi, our AI sports algorithm, has been pouring over mountains of data from every simulation between the Nationals and Orioles and using recursive machine learning and industry leading AI to crunch the data to a single cover probability.

The Algorithm has been most fixated on the unproportionally assigned emphasis knucklehead sportsbettors tend to put on Baltimore’s strength factors between a Nationals team going up against a possibly unhealthy Orioles team. It appears the true game analytics appear to reflect a strong lean against one Vegas line in particular.

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Below is our current AI Washington vs Baltimore picks, computer picks Nationals vs Orioles, best bets, model edges, confidence ratings.

DATE GAME LEAN %WIN UNITS LEVEL
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Nationals Betting Trends

The Nationals have covered the spread in 6 of their last 8 games, showing improved performance against the spread.

Orioles Betting Trends

The Orioles are 1–4 against the spread in their last 5 home games, indicating struggles in covering the spread at home.

Nationals vs. Orioles Matchup Trends

The total has gone OVER in 4 of the Nationals’ last 6 games, suggesting a trend toward higher-scoring contests.

Washington vs. Baltimore Game Info

Washington vs Baltimore starts on May 18, 2025 at 1:35 PM EST.

Venue: Oriole Park at Camden Yards.

Spread: Baltimore -1.5
Moneyline: Washington +145, Baltimore -173
Over/Under: 9

Washington: (20-27)  |  Baltimore: (15-29)

Remi's searched hard and found the best prop for this matchup: K. Ruiz under 5.5 Fantasy Score.. Prices move—always shop for the best number.

The total has gone OVER in 4 of the Nationals’ last 6 games, suggesting a trend toward higher-scoring contests.

WAS trend: The Nationals have covered the spread in 6 of their last 8 games, showing improved performance against the spread.

BAL trend: The Orioles are 1–4 against the spread in their last 5 home games, indicating struggles in covering the spread at home.

See our latest MLB picks and odds pages for 2025 to compare prices before you bet.

Washington vs. Baltimore Odds

AI algorithm Remi is pouring through loads of stats on each player. In fact, anytime the Washington vs Baltimore trends are analyzed, there’s always several intriguing trends to key in on. Not to mention games played at extreme temps seemingly never follow normal, predictable betting trends.

Washington vs Baltimore Opening Odds

WAS Moneyline: +145
BAL Moneyline: -173
WAS Spread: +1.5
BAL Spread: -1.5
Over/Under: 9

Washington vs Baltimore Live Odds

Games PTS ML SPR O/U
Oct 19, 2025 8:04PM EDT
Seattle Mariners
Toronto Blue Jays
10/19/25 8:04PM
Mariners
Blue Jays
+105
-125
+1.5 (-205)
-1.5 (+170)
O 7.5 (-115)
U 7.5 (-105)

MLB Past Picks

Remi—our in-house AI—prices every game and prop using multi-season priors, tempo/efficiency, injury/usage signals, and market movement.
We publish fair prices, recommended “buy-to” numbers, and confidence so you can bet prices, not teams.

This preview covers Washington Nationals vs. Baltimore Orioles on May 18, 2025 at Oriole Park at Camden Yards.
Odds shown reflect widely available numbers and may update closer to kickoff.

Want more? Check live edges, player props, and line moves on our MLB odds pages, and compare prices before you place a bet.

    LEAN     %WIN     UNITS RESULT
TOR@SEA OVER 7 54.9% 3 WIN
LAD@MIL UNDER 7.5 56.6% 6 WIN
TOR@NYY OVER 8 54.9% 4 WIN
TOR@NYY CARLOS RODON OVER 1.5 TOTAL WALKS ALLOWED 53.3% 3 WIN
NYY@TOR OVER 7.5 54.8% 2 WIN
LAD@PHI OVER 7 53.8% 3 WIN
SD@CHC CHC -109 53.8% 3 WIN
SD@CHC OVER 7.5 54.5% 4 LOSS
SD@CHC CHC -111 54.8% 4 LOSS
CIN@LAD SHOHEI OHTANI OVER 1.5 BASES 53.5% 3 WIN
BOS@NYY OVER 7 53.8% 3 LOSS
CIN@LAD ELLY DE LA CRUZ OVER 0.5 BASES 54.4% 4 LOSS
ARI@SD SD -131 57.3% 4 WIN
DET@BOS BOS -115 56.4% 5 WIN
NYM@CHC NYM -110 54.1% 3 WIN
HOU@ATH ATH +118 50.8% 4 WIN
NYM@CHC OVER 7 54.5% 3 WIN
STL@SF OVER 7.5 55.9% 5 LOSS
KC@LAA TYLER TOLBERT UNDER 1.5 BASES 54.4% 4 WIN
MIL@SD UNDER 9 54.7% 4 WIN
MIA@PHI KYLE SCHWARBER OVER 1.5 HITS+RUNS+RBIS 53.3% 3 WIN
WAS@NYM OVER 8.5 56.1% 6 LOSS
LAA@COL COL +108 50.5% 3 WIN
TOR@KC UNDER 9 54.7% 4 LOSS
SEA@KC KC +1.5 62.3% 5 LOSS
NYY@MIN OVER 9 55.1% 4 WIN
MIA@COL OVER 10.5 55.0% 4 WIN
MIA@COL AGUSTIN RAMIREZ OVER 1.5 HITS+RUNS+RBIS 54.3% 4 WIN
SEA@KC BOBBY WITT UNDER 0.5 SINGLES 54.4% 4 LOSS
PHI@LAD LAD -113 54.7% 4 LOSS
NYY@BOS OVER 7.5 54.3% 3 WIN
KC@PHI PHI -130 58.3% 4 WIN
LAD@SF OVER 7.5 54.7% 4 LOSS
NYM@PHI PHI -122 55.6% 4 WIN
KC@CLE KC -104 52.0% 3 WIN
CIN@SD JAKE CRONEWORTH OVER 0.5 HITS 53.1% 3 WIN
WAS@MIA MIA -123 55.2% 4 LOSS
LAA@KC UNDER 9.5 54.9% 3 WIN
TEX@ARI UNDER 9 54.2% 4 WIN
SF@COL UNDER 11.5 56.4% 6 LOSS
SF@COL RAFAEL DEVERS OVER 1.5 BASES 56.1% 6 WIN
MIA@WAS WAS -110 54.4% 4 WIN
NYM@DET OVER 8.5 54.5% 4 WIN
TEX@ARI UNDER 9.5 56.4% 6 WIN
TEX@ARI ALEJANDRO OSUNA UNDER 1.5 BASES 54.1% 4 LOSS
ATL@CHC CHC -116 55.1% 3 WIN
PHI@MIL OVER 8.5 55.0% 3 WIN
ARI@LAD SHOHEI OHTANI OVER 2.5 BASES 54.2% 4 WIN
SEA@CLE CLE +1.5 57.2% 3 WIN
CHC@SF CHC -105 54.1% 4 LOSS
NYY@CHW RYAN MCMAHON OVER 0.5 BASES 54.1% 4 WIN