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MLBGame PreviewsBaltimore Orioles at Washington Nationals
Baltimore OriolesBaltimore Orioles
@
Nationals Park
Washington NationalsWashington Nationals

Match Predictor

Pre-match Prediction
Baltimore Orioles
@
Washington Nationals
Baltimore Orioles 56%Washington Nationals 44%
Market LinesRun Line: Baltimore Orioles -1Total: O/U 9.5
Model: Under 9.5
Model projects 8.9 total runs vs 9.5 line

Baltimore Orioles

0022446688101012121414OVERUNDERO/U 9.5Runs ScoredRuns Allowed
All Over 9.5
45%
20/44
MLB: 48%
Starter
38%
3/8
vs WSH
Avg Total
9.6
MLB: 8.9
Game Starter (8) Last Starter vs WSH vs WSH (0)
Shane Baz #34 · RHP · Age 27
5.48
ERA (2026)
7.8
K/9 (2026)
8
Starts (2026)
9.3
Avg Total (2026)
Last 3:
L ATH (May 09): 4.2IP, 5ER, 5K
L @NYY (May 04): 5.2IP, 5ER, 4K
W HOU (Apr 28): 5.2IP, 1ER, 6K
Bullpen (2026 Season)Average
ERA: 3.72MLB Avg: 3.959 relievers
Recent: L 2-6W 2-1W 3-2L 2-6W 7-0
Lineup vs Shane Baz (Career)
No career matchup data — first meaningful meeting

Washington Nationals

0022446688101012121414OVERUNDERO/U 9.5Runs ScoredRuns Allowed
All Over 9.5
59%
26/44
MLB: 48%
Starter
80%
4/5
vs BAL
Avg Total
11.2
MLB: 8.9
Game Starter (5) Last Starter vs BAL vs BAL (0)
Zack Littell #18 · RHP · Age 31
6.94
ERA (2026)
4.2
K/9 (2026)
5
Starts (2026)
13.2
Avg Total (2026)
Last 3:
ND @MIA (May 09): 4.0IP, 2ER, 0K
W MIL (May 03): 3.2IP, 1ER, 1K
L @NYM (Apr 28): 3.2IP, 4ER, 1K
vs BAL: L (Jun 17 2025): 6.0 IP, 3 ER, 3 K
Bullpen (2026 Season)Poor
ERA: 4.66MLB Avg: 3.959 relievers
Workload Alert: Allowed 8 runs on 2026-05-09 vs MIA. Bullpen arms likely still recovering.
Recent: L 7-8L 2-5W 10-4W 8-7L 1-15
Lineup vs Zack Littell (Career)
BatterPosPAAVGOPSHR
Gunnar HendersonSS26.3040.9552
Adley RutschmanC17.2500.6070
Colton CowserCF17.2350.9412
NeillRF16.1250.2500
Taylor WardLF9.5001.8062
Leody TaverasCF6.5001.5001
Pete Alonso1B6.0000.0000
Blaze Alexander3B2.5001.0000
5 batters with no matchup history
Our Top PicksLive Odds
Top PickBaltimore Orioles moneyline (-159)
The market implies roughly 61% win probability for Baltimore, and the data earns it.
PickBaltimore Orioles -1.5 run line (+100)
Even money on Baltimore winning by two or more runs is where the sharpest value lives.
PickOver 9.5 total runs (-111)
This is the contrarian take, and it carries low confidence for a specific reason: the model sits right at the 9.5 line, matching the market exactly with no numerical edge to exploit.

Baltimore Orioles vs Washington Nationals Game Preview

Two struggling right-handers take the mound at Nationals Park tonight in MLB action, and the gap between them tells the whole story. Baltimore Orioles starter Shane Baz arrives with a 5.48 ERA through 44.1 innings, an uninspiring number on its own. But Baz looks almost presentable next to what the Washington Nationals are rolling out. Zack Littell carries a 6.94 ERA, 14 home runs allowed in just 36.1 innings, and three consecutive starts where he failed to complete the fourth inning. That works out to 3.5 home runs per nine innings. He is also returning on 17 days of extended rest, an unusual gap that raises real command questions for a pitcher already issuing 13 walks in 36.1 innings. This is not a pitcher working through bad luck. This is a fly-ball command problem that has compounded across two months.

Context sharpens the Baltimore case considerably. Washington is 6-13 at home this season, one of the worst home records in baseball, despite carrying a 15-10 mark on the road. That split is strange and hard to explain with roster or schedule factors alone, but it removes any meaningful home-field edge from the Nationals tonight. With both starters routinely exiting before the fifth inning, this game converts to a bullpen matchup from the middle innings forward. That is where the structural advantage is sharpest: Baltimore's bullpen carries a 3.72 ERA into tonight versus Washington's 4.66. A nearly one-run gap in relief ERA across five-plus innings of work is the deciding factor in a close game.

The batter-versus-pitcher data reinforces the Baltimore lean. Taylor Ward has a .500 batting average and a 1.806 OPS across nine career plate appearances against Littell, including two home runs. His most recent 2025 encounter produced a 3.334 OPS in three plate appearances. Gunnar Henderson carries a .304 average and a 0.955 OPS in 26 career plate appearances against Littell, also with two home runs, though his 2025 line against him went flat. Leody Taveras adds a .500 average and a 1.500 OPS in six career plate appearances. Samuel Basallo has no career matchup data against Littell, but he is the hottest bat in this lineup right now, posting a 0.991 OPS over the last 28 days and a 1.000 OPS over the last seven days. A pitcher posting a 6.94 ERA does not get to avoid anyone.

Nationals Park rates neutral for both run scoring (1.0 factor) and home runs (1.02 factor), meaning the park is not amplifying Littell's fly-ball problems, just declining to suppress them. Washington averages 5.4 runs per game with 52 home runs on the season, so the Nationals offense has genuine teeth against Baz in the early innings. The game flow points toward a mid-to-high run total and a Baltimore edge once both starters give way to their respective bullpens.

Baltimore Orioles vs Washington Nationals Key Insights

  • Zack Littell has a 6.94 ERA and has allowed 14 home runs in just 36.1 innings in 2026, a 3.5 HR/9 rate. His last three starts produced 0, 1, and 1 strikeouts combined across 11.1 innings, lasting 4.0, 3.2, and 3.2 innings respectively.
  • Taylor Ward has a .500 batting average and a 1.806 OPS in nine career plate appearances against Littell, including two home runs. His 2025 encounter produced a 3.334 OPS across three plate appearances, the strongest individual batter-vs-pitcher edge in this game.
  • Washington is 6-13 at home this season, one of the worst home records in baseball. Home-field advantage cannot carry real weight when the home team loses this consistently at their own park.
  • Baltimore's bullpen carries a 3.72 ERA entering tonight. Washington's sits at 4.66. With both starters routinely exiting before the fifth inning, that nearly one-run relief gap is the structural edge that figures to decide this game.
  • Samuel Basallo is the hottest bat in the Baltimore lineup, posting a 0.991 OPS over the last 28 days and a 1.000 OPS over his last seven days. No career data exists against Littell, but a pitcher allowing 3.5 home runs per nine innings does not neutralize a hitter in this kind of form.
  • Shane Baz has averaged five strikeouts per start over his last three outings (5K, 4K, 6K) with a 7.71 K/9 in 2026. No Washington batters have career data against him, giving Baz a first-look advantage even while his ERA sits elevated at 5.48.

Baltimore Orioles vs Washington Nationals Betting Picks

Picks made May 15, 2026 at 04:15 AM ET. Odds shown reflect current market prices.

Baltimore Orioles -1.5 run line (+100)
Baltimore Orioles -1.5 run line (+100): Even money on Baltimore winning by two or more runs is where the sharpest value lives. Littell's command issues and fly-ball vulnerability set up multi-run innings early, and the bullpen advantage keeps Washington from closing the gap late. The only risk is a one-run Baltimore win, which cashes the moneyline and burns the run line. Accept that variance when the structural edge is this lopsided.
Over 9.5 total runs (-111)
Over 9.5 total runs (-111): This is the contrarian take, and it carries low confidence for a specific reason: the model sits right at the 9.5 line, matching the market exactly with no numerical edge to exploit. The case is structural, not statistical. Both starters have been exiting before the fifth inning in consecutive starts, creating five-plus innings of bullpen exposure per side. Washington averages 5.4 runs per game with 52 home runs on the year. A Littell implosion in the first three innings could push this past 10 before the bullpens stabilize. Play it small. The counter-scenario, one starter settles in and this finishes 5-3, is an equally real path.
Zack Littell Under 3.5 strikeouts (-159)
Zack Littell Under 3.5 strikeouts (-159): The clearest statistical call on this board. Littell's last three starts: 0 strikeouts, 1 strikeout, 1 strikeout. Two total Ks across 11.1 innings of work. His 2026 K/9 sits at 4.21, well below the 3.5 line for a single start. He is not missing bats. He is giving up contact and exiting early before counting stats can accumulate. High confidence. The -159 price reflects overwhelming statistical consensus on a very short line.
Taylor Ward Over 0.5 hits (-220)
Taylor Ward Over 0.5 hits (-220): The -220 price is steep, and the career matchup history justifies it. Ward has a .500 average and a 1.806 OPS in nine career plate appearances against Littell, including two home runs. His 2025 encounter produced a 3.334 OPS in three plate appearances. He is also hitting .265 on the season with a .426 OBP, meaning he reaches base consistently even without a favorable matchup. Against a pitcher walking batters at his 2026 clip with a 6.94 ERA, Ward getting a hit is one of the higher-probability individual outcomes in this game. Medium confidence.
Pete Alonso to hit a home run (+285)
Pete Alonso to hit a home run (+285): Littell has allowed 14 home runs in 36.1 innings this season, roughly one every 2.6 innings on average. Alonso has eight home runs on the year with a .424 slugging percentage. His career line against Littell is 0-for-6, but that is six plate appearances spread across multiple prior seasons against a pitcher performing very differently than he is now. The 2026 Littell is surrendering fly balls at an extreme rate. At +285, the market implies roughly 26% probability, which is a reasonable ask for a legitimate power hitter facing this version of the pitcher. Medium confidence, with the note that the career 0-for-6 is a real data point and not nothing.
Samuel Basallo Over 1.5 total bases (+110)
Samuel Basallo Over 1.5 total bases (+110): Basallo is the hottest bat in this game. A 0.991 OPS over the last 28 days and a 1.000 OPS over the last seven days. No career data against Littell, but that cuts both ways against a pitcher allowing extra-base contact at an extreme rate in 2026. Basallo's .479 slugging percentage means he hits for power when he connects. Plus money at +110 for a hitter this hot against a pitcher this vulnerable is fair value with real upside. Medium confidence.
Shane Baz Over 4.5 strikeouts (-165)
Shane Baz Over 4.5 strikeouts (-165): Baz has gone 5K, 4K, and 6K in his last three starts, averaging five strikeouts per outing despite a bloated ERA. His 2026 K/9 is 7.71. Washington is 11-18 against right-handed pitching this season. No Nationals batters have career data against Baz, which means first-look advantages apply here. Two of his last three starts cleared 4.5 Ks cleanly, and the start that came in at four still showed the swing-and-miss capacity is present. This prop holds even in a game where Baz allows early runs. Medium confidence.
Same-game parlay
Same-game parlay: Baltimore Orioles ML + Over 9.5 runs + Samuel Basallo Over 1.5 total bases + Taylor Ward Over 0.5 hits. The four legs are internally consistent. An over environment produces more offensive sequences for both sides, which directly supports the individual counting-stat props for Basallo and Ward. Baltimore winning aligns with their structural edge even in a higher-scoring game, where their lineup can out-produce Washington's once Littell exits early. Use the individual legs as the foundation and size the parlay as a complementary play, not the anchor.
Analysis insight — no specific bet associated
YRFI (-133)
YRFI (-133): Littell recorded 0, 1, and 1 strikeouts in his last three starts. He is not retiring hitters with swing-and-miss and he is not pitching cleanly through first innings. Baz has allowed baserunners in four of his last five starts with a 5.48 ERA. Baltimore scores 4.4 runs per game on the season and Washington scores 5.4. The market puts YRFI at roughly 57% probability, and the first-inning context here supports a run scoring before the second inning begins.

Key Players

Batting AverageBAL
Taylor Ward
.265Batting Average
LF
Home RunsBAL
Gunnar Henderson
9Home Runs
SS
Runs Batted InBAL
Jeremiah Jackson
24Runs Batted In
2B
Earned Run AverageBAL
Kyle Bradish
4.21Earned Run Average
SP
WinsBAL
Chris Bassitt
3Wins
SP
StrikeoutsBAL
Kyle Bradish
52Strikeouts
SP
Batting AverageWSH
CJ Abrams
.292Batting Average
SS
Home RunsWSH
James Wood
12Home Runs
RF
Runs Batted InWSH
CJ Abrams
36Runs Batted In
SS
Earned Run AverageWSH
Foster Griffin
3.53Earned Run Average
SP
WinsWSH
Foster Griffin
4Wins
SP
StrikeoutsWSH
Foster Griffin
49Strikeouts
SP

Recent Form

Baltimore Orioles
L6-2Athletics
W2-1Athletics
W3-2New York Yankees
L6-2New York Yankees
W7-0New York Yankees
Washington Nationals
L8-7Miami Marlins
L5-2Miami Marlins
W10-4Cincinnati Reds
L15-1Cincinnati Reds

Baltimore Orioles vs Washington Nationals Summary

The core thesis is straightforward. Zack Littell is one of the worst starters in baseball right now, and the Baltimore Orioles have the lineup history, the bullpen depth, and the structural edge to capitalize. Three consecutive starts of fewer than 4.1 innings. Fourteen home runs in 36.1 innings. Career matchup data showing Ward has already hit him twice across nine plate appearances. Washington at 6-13 at home means the Nationals cannot lean on their park or their crowd to offset any of this. The Baltimore moneyline at -159 is the primary play. For bettors comfortable with the two-run margin requirement, the run line at even money (+100) sharpens the value meaningfully.

The Over 9.5 is the secondary angle, sized small and held loosely. The model puts the total right at the market line, so there is no numerical edge to exploit, only a structural argument built on two starters who cannot complete four innings and a Washington offense averaging 5.4 runs per game with 52 home runs on the season. The counter-scenario is equally plausible: one starter steadies himself, bullpens lock in, and this finishes 5-3 with the under comfortable. Treat the Over as the contrarian play it is, not the foundation of your ticket.

The highest-confidence bet on the board is Littell Under 3.5 strikeouts. Two combined Ks across his last three starts is not a slump, it is a documented pattern, and -159 is consensus pricing rather than market overreaction. Basallo at +110 for Over 1.5 total bases and Baz Over 4.5 strikeouts round out the value props for tonight. For the full slate, see our MLB picks today, NRFI picks, and player props.

Head-to-Head History

Season SeriesBAL wins series 2-0
DateMatchupResult
Mar 22, 2026WSH @ BALBALBAL 8-1
Mar 23, 2026BAL @ WSHBALBAL 2-0

Compare odds for BAL @ WSH

Frequently Asked Questions

MLBGame PreviewsBaltimore Orioles at Washington Nationals