- The Mariners are -210 favorites vs the Nationals
- Nationals vs Mariners Over / Under today: 8 Runs
- Nationals / Mariners TV Channel: MAS2 | RTNW
The Washington Nationals (+170) visit T-Mobile Park to take on the Seattle Mariners (-210) on Wednesday, May 28, 2025. First pitch is scheduled for 9:40pm EDT in Seattle, WA.
This season, the Nationals are 24-30 against the spread (ATS), while the Mariners are 27-26 ATS.
Nationals vs Mariners Starting Pitchers Today:
- Nationals starting pitcher: Trevor Williams 2-5, 6.39 ERA
- Mariners starting pitcher: George Kirby 0-1, 12.28 ERA
Nationals vs. Mariners Odds, Run Line, Over/Under & Moneyline
| Spread | Over / Under | Moneyline | |
| Nationals | +1.5 -125 | O 8 -105 | +170 |
| Mariners | -1.5 +105 | U 8 -115 | -210 |
Nationals vs Mariners Prediction for Today’s Game
Based on recent trends the model predicts the Mariners will win Wednesday‘s MLB game with 63.5% 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 Wednesday‘s game, looking at profitable historical betting trends:
Best Nationals Player Prop Bets Today:
- Luis Garcia has hit the Home Runs Over in 2 of his last 5 away games (+13.75 Units / 275% ROI)
- James Wood has hit the Hits Over in 20 of his last 25 games (+10.45 Units / 22% ROI)
- Nate Lowe has hit the Walks Under in 13 of his last 15 games (+9.70 Units / 34% ROI)
- James Wood has hit the RBIs Over in 6 of his last 8 away games (+8.55 Units / 107% ROI)
- James Wood has hit the Total Bases Over in 17 of his last 25 games (+8.10 Units / 21% ROI)
And here are some favorite MLB player prop bets for Mariners players for Wednesday‘s game, looking at profitable historical betting trends:
Best Mariners Player Prop Best Bets Today:
- Rowdy Tellez has hit the Singles Under in his last 15 games at home (+15.00 Units / 48% ROI)
- Julio Rodriguez has hit the Hits Over in 18 of his last 25 games (+14.90 Units / 35% ROI)
- Miles Mastrobuoni has hit the Home Runs Over in 1 of his last 4 games (+12.00 Units / 300% ROI)
- J.P. Crawford has hit the Total Bases Over in 12 of his last 15 games at home (+9.10 Units / 45% ROI)
- Julio Rodriguez has hit the Hits Runs and RBIs Over in 17 of his last 25 games (+7.30 Units / 22% ROI)
Nationals Best Bets Today:
- The Washington Nationals have hit the Team Total Under in 24 of their last 38 games (+8.89 Units / 20% ROI)
- The Washington Nationals have hit the 1st Five Innings (F5) Team Total Under in 18 of their last 27 away games (+8.45 Units / 27% ROI)
- The Washington Nationals have hit the Game Total Under in 22 of their last 38 games (+6.20 Units / 15% ROI)
- The Washington Nationals have hit the Moneyline in 7 of their last 11 games (+5.45 Units / 49% ROI)
- The Washington Nationals have hit the 1st Five Innings (F5) Moneyline in 5 of their last 8 games (+4.15 Units / 48% ROI)
Mariners Best Bets Today:
- The Seattle Mariners have hit the Game Total Over in 13 of their last 16 games at home (+9.80 Units / 57% ROI)
- The Seattle Mariners have hit the Team Total Over in 29 of their last 47 games (+9.15 Units / 17% ROI)
- The Seattle Mariners have hit the Moneyline in 26 of their last 41 games (+8.35 Units / 15% ROI)
- The Seattle Mariners have hit the 1st Five Innings (F5) Team Total Over in 28 of their last 47 games (+7.70 Units / 14% ROI)
- The Seattle Mariners have covered the Run Line in 23 of their last 41 games (+6.20 Units / 12% ROI)
Nationals Against the Spread (ATS) Record
Against the spread this season, the Nationals are 28-26 against the Run Line (-3.25 Units / -4.65% ROI).
- 24-30 when betting on the Moneyline for -1.02 Units / -1.8% ROI
- 25-27 when betting on the total runs Over for -4.35 Units / -7.37% ROI
- 27-25 when betting on the total runs Under for -0.65 Units / -1.09% ROI
Mariners Against the Spread (ATS) Record
Against the spread this season, the Mariners are 27-26 against the Run Line (+1.5 Units / 2.28% ROI).
- 30-23 when betting on the Moneyline for +2 Units / 2.83% ROI
- 28-23 when betting on the total runs Over for +2.5 Units / 4.3% ROI
- 23-28 when betting on the total runs Under for -8.12 Units / -13.88% ROI
Mariners vs Nationals Home Run Prop Bets Today
| Over | Under | |
|---|---|---|
| Cal Raleigh (SEA) | 0.5 +240 | 0.5 -300 |
| Julio Rodriguez (SEA) | 0.5 +280 | 0.5 -350 |
| Randy Arozarena (SEA) | 0.5 +340 | 0.5 -450 |
| Jorge Polanco (SEA) | 0.5 +360 | 0.5 -500 |
| James Wood (WAS) | 0.5 +450 | 0.5 -650 |
Mariners vs Nationals Total Hits Prop Bets Today
| Over | Under | |
|---|---|---|
| Jorge Polanco (SEA) | 0.5 -225 | 0.5 +170 |
| J.P. Crawford (SEA) | 0.5 -220 | 0.5 +165 |
| CJ Abrams (WAS) | 0.5 -220 | 0.5 +170 |
| Luis Garcia (WAS) | 0.5 -220 | 0.5 +165 |
| Nathaniel Lowe (WAS) | 0.5 -210 | 0.5 +155 |
Mariners vs Nationals RBI Prop Bets Today
| Over | Under | |
|---|---|---|
| Cal Raleigh (SEA) | 0.5 +115 | 0.5 -150 |
| Julio Rodriguez (SEA) | 0.5 +125 | 0.5 -165 |
| Randy Arozarena (SEA) | 0.5 +140 | 0.5 -190 |
| Jorge Polanco (SEA) | 0.5 +180 | 0.5 -250 |
| Rowdy Tellez (SEA) | 0.5 +185 | 0.5 -250 |
Mariners vs Nationals Strikeout Prop Bets Today
| Over | Under | |
|---|---|---|
| George Kirby (SEA) | 5.5 -105 | 5.5 -125 |
| Trevor Williams (WAS) | 4.5 +120 | 4.5 -160 |
Nationals Starting Pitcher Stats & Trends
Trevor Williams has thrown his changeup for a strike just 32% (40/124) of the time this season — lowest in MLB among starting pitchers with at least 21 total IP; League Avg: 59% — first Percentile.
Opponents are hitting .481 (13-for-27) against Trevor Williams’ elevated fastball this season — highest in MLB among starting pitchers with at least 21 total IP; League Avg: .228 — 0 Percentile.
Trevor Williams threw his off-speed pitches for a strike just 51% (619/1,221) of the time in 2023 — lowest in MLB among starting pitchers with at least 64 total IP; League Avg: 62% — 0 Percentile.
Trevor Williams has thrown his off-speed pitches for a strike just 51% (1,086/2,131) of the time since the 2023 season — lowest in MLB among starting pitchers with at least 150 total IP; League Avg: 61% — first Percentile.
Mariners Starting Pitcher Stats & Trends
George Kirby has walked 2% of right-handed batters in the 2024 season — best among qualified SPs in MLB; League Avg: 6% — 100th Percentile.
George Kirby had a strike rate of 71% (2,002/2,825) in 2023 — highest among qualified SPs in MLB; League Avg: 65% — 100th Percentile.
George Kirby walked 7 of 297 batters (2%) when going through the lineup the second time in a game in the 2024 season — best among qualified SPs in MLB; League Avg: 7% — 100th Percentile.
George Kirby has walked 3% of batters since the 2023 season — best in MLB among starting pitchers with at least 150 total IP; League Avg: 8% — 100th Percentile.
Nationals Keys to the Game vs. the Mariners
The Nationals were just 20-43 (.317) vs top 10 scoring offenses in the 2024 season They play the Dodgers (second best runs scored) today.
The Nationals were just 27-44 (.380) after a win in the 2024 season — 5th lowest in MLB; League Avg: .496.
The Nationals are just 165-212 (.437) since the 2023 season — 5th lowest in MLB; League Avg: .500.
The Nationals are just 93-103 (.472) when allowing 5 or more extra base hits since last season — 5th lowest in MLB; League Avg: .535.
Mariners Keys to the Game vs. the Nationals
The Mariners are 3-19 (.136) when trailing entering the 9th inning this season — best in MLB; League Avg: .042.
The Mariners are 79-9 (.898) when scoring 5 or more runs since last season — best in MLB; League Avg: .806.
The Mariners are 97-1 (.990) when leading entering the 9th inning since last season — 2nd best in MLB; League Avg: .951.
The Mariners are 144-22 (.867) when scoring 5 or more runs since the 2023 season — best in MLB; League Avg: .794.
Nationals Hitting Stats & Trends
Nationals hitters struck out just 340 times in 1,868 PA’s (18%) against LHP in 2023 — tied for 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 have put 40% of their swings in play against LHP since the 2023 season — tied for highest in MLB; League Avg: 37%.
Nationals hitters averaged just 3.76 pitches per plate appearance against RHP in 2023 — 2nd lowest in MLB; League Avg: 3.90.
Mariners Hitting Stats & Trends
The Mariners batted just .207 when facing the starting pitcher for the 3rd time in a game in the 2024 season — lowest in MLB; League Avg: .263.
The Mariners batted just .214 at home in the 2024 season — lowest in MLB; League Avg: .244.
The Mariners batted just .213 against LHP in the 2024 season — lowest in MLB; League Avg: .245.
The Mariners are batting just .210 when facing the starting pitcher for the 3rd time in a game since last season — lowest in MLB; League Avg: .261.
Nationals Pitching Stats & Trends
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 20% in 2023 — 3rd lowest in MLB; League Avg: 23%.
The Nationals have allowed 2.11 runs per game (114/54) in late innings this season — highest in MLB; League Avg: 1.35.
Nationals pitchers have allowed an OBP of .341 (3,342 PA’s) when facing the leadoff batter in the inning since the 2023 season — 2nd highest in MLB; League Avg: .312.
Mariners Pitching Stats & Trends
Mariners pitchers walked 76 of 1,441 batters (5%) when facing the leadoff batter in the inning in the 2024 season — best in MLB; League Avg: 7%.
Mariners pitchers walked 369 of 5,801 batters (6%) in the 2024 season — best in MLB; League Avg: 8%.
Mariners pitchers have walked 7% of batters since last season — best in MLB; League Avg: 8%.
Mariners pitchers have walked 6% of batters when facing the leadoff batter in the inning since last season — best in MLB; League Avg: 8%.
More MLB Reading:
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