Mets vs Nationals Prediction, Odds & Player Prop Bets Today – MLB, May 21

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  • The Mets are -115 favorites vs the Nationals
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The New York Mets (-115) visit Nationals Park to take on the Washington Nationals (-105) on May 21, 2026. First pitch is scheduled for 4:05 pm in Washington, D.C., DC.

This season, the Mets are 21-28 against the spread (ATS), while the Nationals are 30-19 ATS.

Mets vs Nationals Starting Pitchers Today:

  • Mets starting pitcher: David Peterson 2-4, 5.41 ERA
  • Nationals starting pitcher: Cade Cavalli 2-2, 4.05 ERA

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

SpreadOver / UnderMoneyline
Mets-1.5 +140O 8 -115-115
Nationals +1.5 -170U 8 -105-105

Mets vs Nationals Prediction for Today’s Game

Based on recent trends the model predicts the Nationals will win Thursday‘s MLB game with 53.2% 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 Mets players for Thursday‘s game, looking at profitable historical betting trends:

Best Mets Player Prop Bets Today:

  • Bo Bichette has hit the Hits Under in 19 of his last 25 games (+10.95 Units / 23% ROI)
  • Juan Soto has hit the Home Runs Over in 4 of his last 7 games (+10.40 Units / 149% ROI)
  • Bo Bichette has hit the Total Bases Under in 15 of his last 20 games (+9.60 Units / 38% ROI)
  • Mark Vientos has hit the Singles Under in 12 of his last 15 away games (+8.85 Units / 45% ROI)
  • Carson Benge has hit the Hits Runs and RBIs Over in 12 of his last 15 games (+8.75 Units / 50% ROI)

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

Best Nationals Player Prop Best Bets Today:

  • Jacob Young has hit the Home Runs Over in 3 of his last 4 games (+36.00 Units / 900% ROI)
  • James Wood has hit the Hits Runs and RBIs Over in 18 of his last 25 games at home (+10.50 Units / 35% ROI)
  • James Wood has hit the Total Bases Over in 18 of his last 25 games at home (+10.40 Units / 34% ROI)
  • Curtis Mead has hit the Hits Over in 19 of his last 25 games at home (+8.55 Units / 20% ROI)
  • Keibert Ruiz has hit the Singles Under in 15 of his last 20 games (+7.90 Units / 28% ROI)
  • The New York Mets have hit the Team Total Under in 33 of their last 50 games (+14.75 Units / 26% ROI)
  • The New York Mets have hit the 1st Five Innings (F5) Team Total Under in 33 of their last 50 games (+13.95 Units / 22% ROI)
  • The New York Mets have hit the Game Total Over in 6 of their last 7 games (+6.00 Units / 77% ROI)
  • The New York Mets have covered the Run Line in 9 of their last 16 games (+4.45 Units / 25% ROI)
  • The New York Mets have hit the Moneyline in 10 of their last 16 games (+2.75 Units / 13% ROI)
  • The Washington Nationals have hit the 1st Five Innings (F5) Team Total Over in 36 of their last 50 games (+20.50 Units / 34% ROI)
  • The Washington Nationals have hit the Game Total Over in 32 of their last 50 games (+15.80 Units / 29% ROI)
  • The Washington Nationals have covered the 1st Five Innings (F5) Run Line in 22 of their last 30 games (+12.55 Units / 34% ROI)
  • The Washington Nationals have hit the 1st Five Innings (F5) Moneyline in 25 of their last 50 games (+10.35 Units / 20% ROI)
  • The Washington Nationals have hit the Team Total Over in 31 of their last 50 games (+9.50 Units / 16% ROI)

Mets Against the Spread (ATS) Record

Against the spread this season, the Mets are 19-29 against the Run Line (-8.1 Units / -14.84% ROI).

  • 21-28 when betting on the Moneyline for -19 Units / -27.94% ROI
  • 21-24 when betting on the total runs Over for -5.65 Units / -10.47% ROI
  • 24-21 when betting on the total runs Under for +0.6 Units / 1.11% ROI

Nationals Against the Spread (ATS) Record

Against the spread this season, the Nationals are 30-19 against the Run Line (+5.25 Units / 7.54% ROI).

  • 25-25 when betting on the Moneyline for +8.5 Units / 16.77% ROI
  • 32-15 when betting on the total runs Over for +15.8 Units / 28.7% ROI
  • 15-32 when betting on the total runs Under for -20 Units / -36.36% ROI

Nationals vs Mets Home Run Prop Bets Today

Yes
Juan Soto +380
James Wood +525
Mark Vientos +550
Dylan Crews +600
Andres Chaparro +675

Nationals vs Mets Total Hits Prop Bets Today

Over Under
Curtis Mead 0.5 -225 0.5 +165
Carson Benge 0.5 -210 0.5 +155
Juan Soto 0.5 -210 0.5 +155
Mark Vientos 0.5 -200 0.5 +145
James Wood 0.5 -190 0.5 +140

Nationals vs Mets Strikeout Prop Bets Today

Over Under
Brett Baty 0.5 -275 0.5 +195
Mark Vientos 0.5 -250 0.5 +180
CJ Abrams 0.5 -250 0.5 +180
MJ Melendez 0.5 -225 0.5 +165
Carson Benge 0.5 -220 0.5 +165

Mets Keys to the Game vs. the Nationals

The Mets are just 13-4 (.765) when leading entering the 7th inning this season — 3rd lowest in MLB; League Avg: .863.

The Mets are just 9-18 (.333) after a loss this season — 3rd lowest in MLB; League Avg: .478.

The Mets are just 1-93 (.011) when trailing entering the 9th inning since the 2025 season — 2nd lowest in MLB; League Avg: .046.

The Mets were 8-60 (.118) when trailing entering the 9th inning in the 2024 season — best in MLB; League Avg: .050.

Nationals Keys to the Game vs. the Mets

The Nationals are just 0-22 (.000) when trailing entering the 9th inning this season — tied for lowest in MLB; League Avg: .055.

The Nationals are 19-3 (.864) when allowing 4 or fewer runs this season — 3rd best in MLB; League Avg: .723.

The Nationals are just 10-15 (.400) at home this season — tied for 3rd lowest in MLB; League Avg: .532.

The Nationals are just 18-5 (.783) when leading entering the 7th inning this season — 4th lowest in MLB; League Avg: .863.

Mets hitters have an OBP of just .270 (1,073 PA’s) with bases empty this season — 2nd lowest in MLB.

Mets hitters have an OPS of just .547 (401 PA’s) on pitches 95 mph or greater this season — lowest in MLB.

Mets hitters have an OBP of just .289 (525 PA’s) against LHP this season — 3rd lowest in MLB.

Mets hitters have an OPS of just .658 (1,839 PA’s) this season — lowest in MLB.

The Nationals are batting just .184 when facing the starting pitcher for the 3rd time in a game this season — lowest in MLB.

The Nationals are batting .272 against LHP this season — 3rd best in MLB.

The Nationals have scored 91 runs in innings 7-9 this season — most in MLB.

Nationals hitters have an OPS of .745 (1,958 PA’s) this season — 4th best in MLB.

Mets pitchers have a strikeout rate of 24% this season — 5th best in MLB.

Mets pitchers have a strikeout rate of 25% with runners in scoring position this season — 3rd best in MLB.

Opponents have a groundball batting average of just .215 against Mets pitchers this season — 2nd best in MLB.

Mets pitchers have allowed an exit velocity over 105 MPH 90 times this season — 4th fewest in MLB.

Nationals pitchers have a strikeout rate of just 38% with two-strikes this season — 2nd lowest in MLB.

Opponents have a miss rate of just 22% against Nationals pitchers this season — lowest in MLB.

The Nationals pitchers have allowed an average Exit Velocity of 90.4 MPH this season (1,347 balls in play) — highest in MLB

Nationals pitchers have a strikeout rate of just 20% this season — tied for 3rd lowest in MLB.

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.