We're having some technical issues.
Please come back later to see the best odds for today's games here.
MLBGame PreviewsArizona Diamondbacks at Washington Nationals
Arizona DiamondbacksArizona Diamondbacks
@
Nationals Park
Washington NationalsWashington Nationals

Match Predictor

Pre-match Prediction
Arizona Diamondbacks
@
Washington Nationals
Arizona Diamondbacks 42%Washington Nationals 58%
Market LinesRun Line: Washington Nationals -0.5Total: O/U 9
Model: Under 9
Model projects 8.7 total runs vs 9 line

Arizona Diamondbacks

0022446688101012121414OVERUNDERO/U 9Runs ScoredRuns Allowed
All Over 9
38%
40/104
MLB: 48%
Starter
33%
1/3
vs WSH
25%
1/4
Avg Total
9.0
MLB: 8.9
Game Starter (3) Last Starter vs WSH vs WSH (4)
Mitch Bratt #60 · LHP · Age 23
5.06
ERA (2026)
6.2
K/9 (2026)
3
Starts (2026)
9.3
Avg Total (2026)
Last 3:
ND ATH (Jul 20): 4.2IP, 2ER, 4K
ND @LAD (Jul 12): 3.0IP, 3ER, 0K
ND @STL (Jun 24): 3.0IP, 1ER, 3K
Bullpen (2026 Season)Good
ERA: 3.24MLB Avg: 3.959 relievers
Recent: L 2-5W 6-5W 15-5W 10-6W 3-2
Lineup vs Mitch Bratt (Career)
No career matchup data — first meaningful meeting

Washington Nationals

Bullpen ERA 5.14 (poor). Late innings could add runs.
0022446688101012121414OVERUNDERO/U 9Runs ScoredRuns Allowed
All Over 9
53%
55/104
MLB: 48%
Starter
60%
12/20
vs ARI
25%
1/4
Avg Total
10.7
MLB: 8.9
Game Starter (20) Last Starter vs ARI vs ARI (4)
Foster Griffin #22 · LHP · Age 31
2.68
ERA (2026)
8.5
K/9 (2026)
20
Starts (2026)
10.6
Avg Total (2026)
Last 3:
W @ATH (Jul 19): 7.0IP, 1ER, 2K
W HOU (Jul 08): 7.0IP, 1ER, 9K
W PIT (Jul 03): 5.0IP, 1ER, 2K
vs ARI: W (Jun 05 2026): 5.0 IP, 1 ER, 4 K
Bullpen (2026 Season)Poor
ERA: 5.14MLB Avg: 3.9511 relievers
Workload Alert: Allowed 8 runs on 2026-07-21 vs COL. Bullpen arms likely still recovering.
Recent: W 5-2W 7-3L 7-8W 8-0L 2-3
Lineup vs Foster Griffin (Career)
BatterPosPAAVGOPSHR
Corbin CarrollRF2.0000.0000
Geraldo PerdomoSS2.0000.0000
Ketel Marte2B2.0000.0000
Nolan Arenado3B2.0000.0000
Ryan WaldschmidtCF2.0000.0000
Jorge BarrosaCF1.0000.0000
Max KeplerLF1.0000.0000
6 batters with no matchup history
Our Top PicksLive Odds
Top PickArizona Diamondbacks ML +130 (MEDIUM) Th
Arizona Diamondbacks ML +130 (MEDIUM) The market is pricing Griffin's 2.68 ERA and not much else. Arizona's 17-8 record vs LHP, their 8-2 last-10 form...
PickArizona Diamondbacks +1.5 Runs -179 (MED
Arizona Diamondbacks +1.5 Runs -179 (MEDIUM) The lower-variance version of the same thesis. Even in a scenario where Griffin dominates and Washington ...
PickUnder 9.0 Runs -118 (LOW) Low conviction
Under 9.0 Runs -118 (LOW) Low conviction, not a hammer play. Griffin's recent excellence (1 ER in each of his last three starts) suppresses Arizona th...

Arizona Diamondbacks vs Washington Nationals Game Preview

On paper, this looks like a clear mismatch. The Washington Nationals send Foster Griffin to the mound at 11-2 with a 2.68 ERA, coming off a stretch where he allowed just one earned run in each of his last three starts. The Arizona Diamondbacks counter with 23-year-old Mitch Bratt, who owns a 5.06 ERA and 10.2 innings of big-league experience across three career starts. In tonight's MLB action, the surface-level read is obvious. The deeper read is more interesting.

Arizona arrives in Washington on a four-game win streak, having won 10 of their last 14 games and seized sole possession of the NL Wild Card. Their 17-8 record against left-handed pitching is one of the stronger platoon splits in the National League, and it applies squarely to both starters tonight. Gabriel Moreno is hitting .312/.394/.451 with a .993 OPS over the last seven days. Nolan Arenado has posted a 1.140 OPS in his last seven games. This lineup does not go quietly against southpaws, even quality ones. The BvP data on Arizona hitters facing Griffin is minimal at two plate appearances each, all posting 0.000 OPS, so there is no meaningful career data to tilt the read there.

Washington's offense is legitimate. The Nationals lead MLB with 567 runs scored and carry a .769 OPS as a team. James Wood (.270/.395/.548, 28 HR) has posted a 1.132 OPS over the last 28 days and is the most dangerous bat in this lineup. CJ Abrams (.288/.361/.544, 24 HR) is scorching at 1.481 OPS over the last seven days. Both face Bratt with no career matchup data on either side. What the data does make clear: Bratt has surrendered three home runs in just 10.2 innings, a rate that signals real trouble against a lineup built on power.

The real game gets played after Bratt exits. Griffin will likely dominate through six or seven innings, limiting Arizona's damage. But Washington hands the ball to a bullpen carrying a 5.14 ERA, one of the worst relief corps in baseball. Arizona's bullpen sits at 3.24. Griffin is done, every inning tilts toward the Diamondbacks. Washington is also 20-32 at home this season, a number that makes the -145 home-favorite price hard to justify on structural grounds alone.

Arizona Diamondbacks vs Washington Nationals Key Insights

  • Griffin's strikeout totals in his last three starts: 2, 9, 2. The median is 2, not 9. Remove the outlier against Houston and the pattern of sub-3 K outings becomes the baseline expectation tonight.
  • Bratt has allowed 3 home runs in 10.2 innings, an extreme rate that creates real exposure against Washington's power-heavy lineup featuring Wood (28 HR) and Abrams (24 HR).
  • Arizona is 17-8 against left-handed pitching this season. Both starters tonight are lefties, giving the Diamondbacks a platoon advantage that runs top to bottom in their lineup.
  • Washington is 20-32 at home. The market prices them as -145 favorites. Those two facts are in direct conflict and the market is slow to reconcile them.
  • Arizona's bullpen ERA is 3.24. Washington's is 5.14. In a game where Bratt is unlikely to reach the fifth inning, the relief differential is the decisive structural variable.
  • CJ Abrams (.288/.361/.544, 1.481 OPS last 7 days) faces a starter who has allowed 3 HR in 10.2 innings. His current form and Bratt's inability to suppress extra-base hits create a real path to multiple total bases tonight.

Arizona Diamondbacks vs Washington Nationals Betting Picks

Picks made July 25, 2026 at 05:37 AM ET. Odds shown reflect current market prices.

Arizona Diamondbacks +1.5 Runs -179 (MED
Arizona Diamondbacks +1.5 Runs -179 (MEDIUM) The lower-variance version of the same thesis. Even in a scenario where Griffin dominates and Washington leads through six innings, Arizona's superior bullpen limits Washington's ability to blow this game open. The Diamondbacks have the late-game infrastructure to keep any deficit inside 1.5 runs. Washington's 5.14 bullpen ERA means insurance runs off Arizona's relief corps are not a given, either.
Under 9.0 Runs -118 (LOW) Low conviction
Under 9.0 Runs -118 (LOW) Low conviction, not a hammer play. Griffin's recent excellence (1 ER in each of his last three starts) suppresses Arizona through six or seven innings. Arizona's 3.24 bullpen ERA limits Washington's scoring in the second half. The caution: Bratt could give up three or four runs early, and Washington's MLB-leading offense is built to attack inexperienced starters. Treat this as a situational lean and size it proportionally. It is not a standalone conviction bet.
Foster Griffin Under 4.5 Strikeouts -103
Foster Griffin Under 4.5 Strikeouts -103 (MEDIUM) Griffin's season K/9 of 8.52 is legitimate, but his recent pattern tells a different story. His last three K totals: 2, 9, 2. Remove the Houston outlier and the median is 2. His lone 2026 start against Arizona produced 4 K in 5.0 innings. Arizona hits LHP well and profiles as a contact-oriented opponent rather than a swing-and-miss one. At -103, this is close to a coin-flip price on what looks like a tilted outcome toward the under.
Mitch Bratt Under 3.5 Strikeouts +112 (M
Mitch Bratt Under 3.5 Strikeouts +112 (MEDIUM) Bratt has accumulated just 7 strikeouts in 10.2 innings this season (5.91 K/9), well below the league average for a starter. His last three K outputs: 4, 0, 3. Only one of three starts cleared 3.5 Ks. His struggles come from walks and contact allowed, not swing-and-miss. At +112, getting plus money on a pitcher with a consistent pattern of low-K outings against an elite offense is genuine value.
Tim Tawa Under 0.5 Hits +128 (MEDIUM) Ta
Tim Tawa Under 0.5 Hits +128 (MEDIUM) Tawa's OPS against left-handed pitching is 0.411, one of the most extreme platoon splits in this lineup. He faces Griffin, a southpaw who has allowed just 27 walks in 117.1 innings and generates consistent contact suppression. The matchup heavily disfavors Tawa, and +128 is a price worth taking for a bat that is severely exploited by exactly this pitcher profile.
CJ Abrams Over 1.5 Total Bases +124 (MED
CJ Abrams Over 1.5 Total Bases +124 (MEDIUM) Abrams is one of the hotter bats on the slate right now at 1.481 OPS over the last seven days (.288/.361/.544 season line, 24 HR). He faces Bratt, who has surrendered 3 HR in 10.2 innings. Even accounting for Abrams' platoon disadvantage against lefties (0.729 vL OPS), his current form and Bratt's inability to suppress extra-base contact create a strong path to 1.5 total bases. At +124, the price reflects his upside correctly.
James Wood Home Run +275 (LOW) Speculati
James Wood Home Run +275 (LOW) Speculative, small-stakes play. Wood has 28 home runs in 488 plate appearances (.548 SLG) and is the highest-leverage power bat in Washington's lineup. Bratt has allowed 3 HR in 10.2 innings, a rate that signals genuine contact-quality issues. Nationals Park carries a 1.02 HR factor. At +275 with the market implying 26.7%, the price is fair relative to Wood's season profile. Size this small given the under total play at game level, which creates some directional tension.
Same-Game Parlay
Same-Game Parlay: Arizona ML + Under 9.0 Runs + Griffin Under 4.5 K + Abrams Over 1.5 Total Bases (Arizona ML: +130, Under 9.0: -118, Griffin U4.5K: -103, Abrams O1.5TB: +124) The four legs reinforce a single narrative: Griffin dominates early and keeps total scoring suppressed, Bratt exits after four or five innings with Arizona generating enough offense to take the lead, and both starters stay under their K lines because this is a contact-heavy, low-strikeout game. Abrams produces total bases in the early innings off Bratt before Griffin takes over. The legs support each other rather than pull in opposite directions, which is the right foundation for an SGP. Keep the stakes small, and treat the individual legs as the primary plays.
Analysis insight — no specific bet associated

Key Players

Batting AverageARI
Ildemaro Vargas
.270Batting Average
1B
Home RunsARI
Ketel Marte
18Home Runs
2B
Runs Batted InARI
Ketel Marte
60Runs Batted In
2B
Earned Run AverageARI
Eduardo Rodriguez
2.64Earned Run Average
SP
WinsARI
Eduardo Rodriguez
9Wins
SP
StrikeoutsARI
Eduardo Rodriguez
86Strikeouts
SP
Batting AverageWSH
CJ Abrams
.288Batting Average
SS
Home RunsWSH
James Wood
28Home Runs
RF
Runs Batted InWSH
CJ Abrams
76Runs Batted In
SS
Earned Run AverageWSH
Foster Griffin
2.68Earned Run Average
SP
WinsWSH
Foster Griffin
11Wins
SP
StrikeoutsWSH
Cade Cavalli
127Strikeouts
SP

Recent Form

Arizona Diamondbacks
L5-2Athletics
W15-5Athletics
W10-6St. Louis Cardinals
W3-2Washington Nationals
Washington Nationals
W5-2Athletics
W7-3Colorado Rockies
L8-7Colorado Rockies
W8-0Colorado Rockies
L3-2Arizona Diamondbacks

Arizona Diamondbacks vs Washington Nationals Summary

The edge in this game is structural. Griffin is having a legitimate top-of-the-rotation season and will almost certainly keep Arizona quiet through his outing. But the market prices this game as if Griffin pitches all nine innings. He does not. Once he exits, Washington hands the ball to a 5.14 ERA bullpen, and Arizona hands it to a 3.24 ERA bullpen. That gap is real, it has been real all season, and it does not disappear because Griffin had a dominant start. The Arizona ML at +130 is the primary play here: a team on a four-game win streak, 8-2 in their last 10, with a 17-8 record against left-handed pitching, getting plus money in a road spot where the home team's own record (20-32 at Nationals Park) undercuts the favorite price. The Under 9.0 at -118 is a low-conviction lean, not a standalone bet. Griffin keeps the early innings quiet, Arizona's bullpen handles the back end, and the total staying under 9 is a reasonable projection, not a lock. Size it like the marginal edge it is.

The sharpest angles in this game live in the props. Griffin's K inconsistency (2, 9, 2 in his last three starts) makes the Under 4.5 K at -103 a legitimate play, not just a fade based on one good game. Bratt's 5.91 K/9 and pattern of contact-ahead-of-strikeout outings makes his Under 3.5 K at +112 a genuine plus-money value. Abrams over 1.5 total bases at +124 connects the hottest bat in Washington's lineup to the most hittable starter on the slate. Those three props tell the same story: a low-strikeout, contact-heavy game that stays close until Arizona's bullpen advantage closes it in the seventh through ninth. Any individual game carries variance. Griffin making another dominant start where Arizona's lineup goes quiet is a live outcome. Manage stakes accordingly and do not overload any single leg.

For the full slate, see our MLB picks today, NRFI picks, and player props.

Head-to-Head History

Season SeriesARI leads series 1-0
DateMatchupResult
Jul 24, 2026ARI @ WSHARIARI 3-2

Arizona Diamondbacks vs Washington Nationals predictions: ARI ML +130 with bullpen edge (3.24 vs 5.14 ERA). Under 9.0 and Griffin Under 4.5 K also in play.

Frequently Asked Questions

MLBGame PreviewsArizona Diamondbacks at Washington Nationals