Nationals vs Diamondbacks Prediction, Odds & Player Prop Bets Today – MLB, May 31

Arizona Diamondbacks designated hitter Lourdes Gurriel Jr. bats during the third inning of a baseball game, Saturday, June 10, 2023, in Detroit.
(AP Photo/Carlos Osorio)
  • The Diamondbacks are -200 favorites vs the Nationals
  • Nationals vs Diamondbacks Over / Under today: 9 Runs
  • Nationals / Diamondbacks TV Channel: DBTV | FS1 | MAS2

The Washington Nationals (+165) visit Chase Field to take on the Arizona Diamondbacks (-200) on Saturday, May 31, 2025. First pitch is scheduled for 10:10pm EDT in Phoenix, AZ.

This season, the Nationals are 27-30 against the spread (ATS), while the Diamondbacks are 25-32 ATS.

Nationals vs Diamondbacks Starting Pitchers Today:

  • Nationals starting pitcher: Mike Soroka 1-3, 5.62 ERA
  • Diamondbacks starting pitcher: Brandon Pfaadt 7-3, 3.94 ERA

Nationals vs. Diamondbacks Odds, Run Line, Over/Under & Moneyline

SpreadOver / UnderMoneyline
Nationals+1.5 -125O 9.5 -110+165
Diamondbacks -1.5 +105U 9.5 -110-200

Nationals vs Diamondbacks Prediction for Today’s Game

Based on recent trends the model predicts the Diamondbacks will win Saturday‘s MLB game with 62.6% confidence, factoring in game simulations, recent player performances, starting pitchers and injuries.


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We’ve highlighted some favorite MLB player prop bets for Nationals players for Saturday‘s game, looking at profitable historical betting trends:

Best Nationals Player Prop Bets Today:

  • Josh Bell has hit the Home Runs Over in 4 of his last 5 away games (+22.90 Units / 458% ROI)
  • James Wood has hit the RBIs Over in 8 of his last 9 away games (+13.50 Units / 150% ROI)
  • James Wood has hit the Hits Over in 21 of his last 25 games (+13.15 Units / 27% ROI)
  • James Wood has hit the Total Bases Over in 19 of his last 25 games (+13.00 Units / 34% ROI)
  • James Wood has hit the Hits Runs and RBIs Over in 12 of his last 15 games (+8.90 Units / 52% ROI)

And here are some favorite MLB player prop bets for Diamondbacks players for Saturday‘s game, looking at profitable historical betting trends:

Best Diamondbacks Player Prop Best Bets Today:

  • Lourdes Gurriel Jr. has hit the Hits Over in 13 of his last 15 games (+11.65 Units / 38% ROI)
  • Gabriel Moreno has hit the Home Runs Over in 2 of his last 8 games (+11.00 Units / 138% ROI)
  • Pavin Smith has hit the Walks Under in 13 of his last 15 games (+10.90 Units / 42% ROI)
  • Gabriel Moreno has hit the Total Bases Over in 11 of his last 15 games (+10.65 Units / 60% ROI)
  • Lourdes Gurriel Jr. has hit the Singles Over in his last 8 games (+8.00 Units / 76% ROI)
  • The Washington Nationals have hit the Moneyline in 10 of their last 14 games (+10.30 Units / 73% ROI)
  • The Washington Nationals have hit the 1st Five Innings (F5) Team Total Under in 19 of their last 30 away games (+7.45 Units / 21% ROI)
  • The Washington Nationals have covered the Run Line in 10 of their last 13 away games (+6.85 Units / 40% ROI)
  • The Washington Nationals have hit the Game Total Over in their last 6 away games (+6.00 Units / 91% ROI)
  • The Washington Nationals have hit the 1st Five Innings (F5) Moneyline in 6 of their last 11 games (+5.80 Units / 48% ROI)
  • The Arizona Diamondbacks have covered the 1st Five Innings (F5) Run Line in 27 of their last 41 games (+12.65 Units / 25% ROI)
  • The Arizona Diamondbacks have hit the 1st Five Innings (F5) Moneyline in 23 of their last 41 games (+11.30 Units / 19% ROI)
  • The Arizona Diamondbacks have hit the Game Total Under in 17 of their last 28 games (+6.20 Units / 20% ROI)
  • The Arizona Diamondbacks have hit the 1st Five Innings (F5) Team Total Over in 10 of their last 16 games (+3.30 Units / 17% ROI)
  • The Arizona Diamondbacks have hit the Team Total Over in 13 of their last 22 games at home (+2.80 Units / 11% ROI)

Nationals Against the Spread (ATS) Record

Against the spread this season, the Nationals are 31-26 against the Run Line (-0.25 Units / -0.34% ROI).

  • 27-30 when betting on the Moneyline for +3.83 Units / 6.42% ROI
  • 28-27 when betting on the total runs Over for -1.35 Units / -2.16% ROI
  • 27-28 when betting on the total runs Under for -3.8 Units / -6.03% ROI

Diamondbacks Against the Spread (ATS) Record

Against the spread this season, the Diamondbacks are 25-32 against the Run Line (-12.21 Units / -16.56% ROI).

  • 27-30 when betting on the Moneyline for -11.3 Units / -14.4% ROI
  • 26-27 when betting on the total runs Over for -4 Units / -6.34% ROI
  • 27-26 when betting on the total runs Under for -1.65 Units / -2.65% ROI

Diamondbacks vs Nationals Home Run Prop Bets Today

Over Under
Corbin Carroll (ARI) 0.5 +325 0.5 -450
Eugenio Suarez (ARI) 0.5 +425 0.5 -600
James Wood (WAS) 0.5 +425 0.5 -600
Ketel Marte (ARI) 0.5 +475 0.5 -650
CJ Abrams (WAS) 0.5 +525 0.5 -750

Diamondbacks vs Nationals Total Hits Prop Bets Today

Over Under
Nathaniel Lowe (WAS) 0.5 -250 0.5 +185
Keibert Ruiz (WAS) 0.5 -250 0.5 +190
Ketel Marte (ARI) 0.5 -250 0.5 +195
Lourdes Gurriel Jr (ARI) 0.5 -235 0.5 +180
Eugenio Suarez (ARI) 0.5 -225 0.5 +170

Diamondbacks vs Nationals RBI Prop Bets Today

Over Under
Corbin Carroll (ARI) 0.5 +125 0.5 -160
Josh Naylor (ARI) 0.5 +125 0.5 -160
Eugenio Suarez (ARI) 0.5 +135 0.5 -175
Ketel Marte (ARI) 0.5 +135 0.5 -175
Geraldo Perdomo (ARI) 0.5 +160 0.5 -210

Diamondbacks vs Nationals Strikeout Prop Bets Today

Over Under
Michael Soroka (WAS) 3.5 -175 3.5 +130
Brandon Pfaadt (ARI) 4.5 -110 4.5 -118

Mike Soroka has walked 5 of 108 batters (5%) this season — tied for 12th lowest among starting pitchers with at least 22 total IP– 93rd Percentile. He walked 44 of 347 batters (13%) last season — fourth highest among starting pitchers with at least 64 total IP– second Percentile.

Opponents have a line drive rate of just 13% (10/76) against Mike Soroka this season — lowest in MLB among starting pitchers with at least 22 total IP; League Avg: 24% — 100th Percentile.

Mike Soroka walked 13% of batters in the 2024 season — 4th highest in MLB among starting pitchers with at least 64 total IP; League Avg: 7% — second Percentile.

Mike Soroka has thrown 60% of his pitches in the strike zone (251/415) this season — best in MLB among starting pitchers with at least 22 total IP; League Avg: 51% — 100th Percentile.

Diamondbacks Starting Pitcher Stats & Trends

Brandon Pfaadt has allowed a slugging percentage of .681 (32 Total Bases / 47 ABs) against right-handed batters this month (5 games) — highest among qualified SPs in MLB; League Avg: .361 — first Percentile.

Brandon Pfaadt has allowed an OPS of 1.058 (53 PA’s) against right-handed batters this month (5 games) — 2nd highest among qualified SPs in MLB; League Avg: .652 — second Percentile.

Opponents have a Hard-Hit Rate of 67% (18/27) against Brandon Pfaadt in late innings since last season — highest in MLB among starting pitchers with at least 86 total IP; League Avg: 39% — first Percentile.

Brandon Pfaadt has allowed a slugging percentage of .623 (48 Total Bases / 77 ABs) on breaking pitches this season — 2nd highest among qualified SPs in MLB; League Avg: .355 — third Percentile.

Nationals Keys to the Game vs. the Diamondbacks

The Nationals are just 54-88 (.380) vs top 10 scoring offenses since the 2023 season They play the Diamondbacks (first best runs scored) today.

The Nationals are just 84-104 (.444) at home since the 2023 season — 5th lowest in MLB; League Avg: .527.

The Nationals are just 167-212 (.439) since the 2023 season — 5th lowest in MLB; League Avg: .500.

The Nationals are just 160-185 (.462) when allowing 5 or more extra base hits since the 2023 season — tied for 4th lowest in MLB; League Avg: .537.

Diamondbacks Keys to the Game vs. the Nationals

The Diamondbacks are 89-22 (.795) when allowing 4 or fewer runs since last season — 3rd best in MLB; League Avg: .718.

The Diamondbacks were 67-15 (.807) when they allowed 4 or fewer runs in the 2024 season — 3rd best in MLB; League Avg: .723.

The Diamondbacks are 58-50 (.537) on the road since last season — 5th best in MLB; League Avg: .468.

The Diamondbacks are 17-71 (.191) when trailing entering the 7th inning since last season — 5th best in MLB; League Avg: .141.

Nationals hitters struck out just 1,149 times in 6,085 PA’s (19%) in the 2023 season — 2nd best in MLB; League Avg: 23%.

Nationals hitters put 41% of their swings in play against LHP in 2023 — highest in MLB; League Avg: 37%.

Nationals hitters put 39% of their swings in play on pitches 95 mph or greater in 2023 — highest in MLB; League Avg: 34%.

Nationals hitters averaged just 3.76 pitches per plate appearance against RHP in 2023 — 2nd lowest in MLB; League Avg: 3.90.

Diamondbacks hitters have struck out in just 17% of it’s PA’s against LHP this season — best in MLB; League Avg: 23%.

The Diamondbacks batted .284 against LHP in the 2024 season — best in MLB; League Avg: .245.

Diamondbacks hitters had an OBP of .347 (3,080 PA’s) at home in the 2024 season — best in MLB; League Avg: .315.

The Diamondbacks are batting .277 against LHP since last season — best in MLB; League Avg: .244.

Opponents had a miss rate of just 23% against Nationals pitchers in 2023 — 3rd lowest in MLB; League Avg: 26%.

Nationals pitchers had a strikeout rate of just 38% with two-strikes in 2023 — tied for 2nd lowest in MLB; League Avg: 43%.

Nationals pitchers had a strikeout rate of just 19% with runners in scoring position in 2023 — tied for 2nd lowest in MLB; League Avg: 22%.

Nationals pitchers had a strikeout rate of just 20% in 2023 — 3rd lowest in MLB; League Avg: 23%.

Opponents had a miss rate of just 24% against Diamondbacks pitchers in the 2024 season — tied for 4th lowest in MLB; League Avg: 25%.

Diamondbacks pitchers have a in-zone of just 48% this season — tied for lowest in MLB; League Avg: 51%.

The Diamondbacks pitchers have allowed their opponents to score first in just 40% of their games since last season — tied for lowest in MLB; League Avg: 50%.

Batters facing the Diamondbacks pitchers have struck out on pitches in the zone 47% of the time since the 2023 season — tied for 3rd lowest in MLB; League Avg: 49%. since the 2023 season — tied for 3rd lowest in MLB; League Avg: 49%.

More MLB Reading:


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Our BetMGM betting authors are experts who focus on individual game matchups & player prop bets with an emphasis on betting odds, lines & predictions.

Our BetMGM betting authors are experts who focus on individual game matchups & player prop bets with an emphasis on betting odds, lines & predictions.