Nationals at Marlins Predictions, Odds and Betting Picks
Jesse M. Cox Published 22/08/2026
The Miami Marlins are the clear side in this matchup, with Eury Pérez holding a major starting-pitcher edge over Washington Nationals right-hander Jake Irvin. DraftKings lists Miami at -188 and Washington at +158, while the Marlins also have a favorable home pitching setup at loanDepot park.
Pérez enters with a 3.23 ERA and 133 strikeouts across 2026, while Irvin owns a 5.80 ERA with 72 strikeouts. Washington also enters with lineup questions surrounding CJ Abrams and James Wood, giving Miami another advantage against a Nationals offense that is missing key production.
Nationals vs Marlins Game Preview
Washington enters the matchup at 61-69, while Miami sits at 65-64. The Nationals have Abrams listed as day-to-day after an ankle sprain on August 19, while Wood remains on the 10-day injured list with an oblique strain that has kept him out since August 4.
NATIONALS vs. MARLINS: Official Full Game Highlights (August 21) | 2026 MLB Season
The starting-pitcher matchup heavily favors Miami on the numbers. Pérez is 6-9 with a 3.23 ERA and 133 strikeouts, compared with Irvin's 2-7 record, 5.80 ERA and 72 strikeouts.
Miami also has several pitching injuries, including Max Meyer, Anthony Bender, William Kempner and Andrew Nardi. The Marlins are playing at home, and loanDepot park's retractable roof and air conditioning reduce the impact of Miami's 93°F outdoor heat and 30% chance of afternoon showers.
Moneyline Pick
The Marlins are the moneyline pick at -188 at DraftKings. Pérez's 3.23 ERA and 133 strikeouts give Miami a clear advantage over Irvin, whose 5.80 ERA is the highest of the two starters by a wide margin.
Washington is also dealing with major lineup uncertainty, with Abrams day-to-day and Wood on the 10-day IL. Miami's home setting and stronger starting pitcher make the -188 price the clearest way to back the favorite.
Pick: Marlins ML (-188 at DraftKings).
Run Line Pick
The Marlins -1.5 is the run line pick at +118 at DraftKings. Miami gets Pérez against an Irvin-led Washington staff, and the 2.57-run gap between the starters' ERAs gives the home team a strong path to separating late. The +118 price also offers a better return than the Marlins' -188 moneyline while keeping the focus on the pitching mismatch.
Miami also has the home-field edge at loanDepot park, where Pérez can set the tone before the Marlins turn to their bullpen. With Washington missing James Wood and CJ Abrams dealing with an ankle injury, the Nationals have less lineup depth to rely on if they fall behind early.
Pick: Marlins -1.5 (+118 at DraftKings).
Best Player Prop
- Eury Pérez strikeouts Over 5.5 (TBD at DraftKings). Pérez has recorded 133 strikeouts this season, and his 3.23 ERA gives him the profile of a starter capable of working deep enough to reach this number. Washington's lineup is also missing Wood, reducing one of the Nationals' top offensive threats.
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Game Total Pick
The Under 7.5 runs is the total pick. Pérez brings a 3.23 ERA and 133 strikeouts into the matchup, while the controlled conditions at loanDepot park remove the extreme 93°F outdoor temperature and 30% chance of rain from the immediate game environment.
Washington's lineup also enters without Wood, who has been out since August 4 with an oblique strain. The Marlins have their own bullpen injuries, including Bender and Nardi, but the starting-pitcher edge and low 7.5-run number still point toward a controlled scoring environment.
Pick: Under 7.5 (TBD at DraftKings).
Best Trades for Nationals vs Marlins
Prediction markets give Miami a 63¢ share price compared with 38¢ for Washington on Polymarket. The strongest trading angles center on Miami's starting-pitcher advantage and the expectation of a relatively tight scoring environment.
- Marlins game winner: YES at 63¢ on Polymarket. Pérez owns a 3.23 ERA and 133 strikeouts, while Irvin enters with a 5.80 ERA and 72 strikeouts, giving Miami the stronger starting matchup.
- Game total Over 7.5: NO at 49¢ on Polymarket. Washington is without Wood, and Pérez's 3.23 ERA gives the Marlins a strong run-prevention anchor.
- First inning run: NO at 57¢ on Polymarket. Pérez's 3.23 ERA provides the better early-game pitching profile, while Irvin's 5.80 ERA makes the market less certain than the overall pitching matchup.
How to Watch Nationals vs Marlins and Game Info
- Location: loanDepot park, Miami, FL
- Date: Saturday, August 22, 2026
- First pitch: 4:10 p.m. ET
- TV: FS1, Marlins.TV presented by Werner, Hoffman, Greig & Garcia, Nationals.TV
- Nationals starting pitcher: Jake Irvin (2-7, 5.80 ERA)
- Marlins starting pitcher: Eury Pérez (6-9, 3.23 ERA)
- Weather forecast: 93°F outside, hot and humid, heat index up to 108°F, with a 30% chance of late-afternoon showers. loanDepot park's retractable roof and air conditioning provide controlled indoor conditions.
Final Takeaways
Miami has the strongest edge because Pérez gives the Marlins a significant starting-pitcher advantage over Irvin. The 3.23 ERA versus 5.80 ERA gap is the central matchup factor, and Washington's injuries to Wood and the day-to-day status of Abrams add more uncertainty to the Nationals lineup. Miami is the moneyline selection at -188 at DraftKings, while the -1.5 run line at +118 at DraftKings offers the better price for bettors willing to require a multi-run win.
Check the latest odds and line movement for Nationals vs Marlins at betting.net before placing your bets. All odds as of 1:12 a.m. ET on August 22, 2026. Odds sourced from DraftKings.