The Marlins will play the Nationals on Wednesday, March 18th, 2026. Your timezone's first pitch time is 6:05 pm EDT. Check local listings or your nearest streaming app for coverage.
Learn more about MLB Betting with our handy tutorial and guide. We explain money line, total and run line bets. Plus, a great discussion about exotic bets like MLB Baseball parlays and props.
| Bonus | |
|---|---|
 #1 BetMGMREVIEW | New Customers - Up to $1500 Paid Back in Bonus Bets Bonus Bets Expire in 7 Days One new customer offer/Add'l Terms Bet Now 21+ Playable in Ohio only Gambling Problem? Call 1-800-589-9966 |
Table of Contents
- Best Odds
- Interactive Odds Example
- Prop Bets
- Team Futures Odds
- Team Pages
- Team Standings
- Other Games Today
Best Marlins at Nationals Odds
| Underdog Washington Nationals | Favorite Miami Marlins |
|---|---|
| Over | Under |
|---|---|
| Underdog Washington Nationals | Favorite Miami Marlins |
|---|---|
Matchup Odds FAQs
The Miami Marlins are the -110 moneyline favorite at BetMGM and the Washington Nationals are the -110 moneyline underdog at BetMGM.
The best over line is 6.5 -115 runs at BetMGM, which means you risk $115 to win $100 betting the over. The best under line is 6.5 -105 runs at BetMGM, and that means you risk $105 to win $100 betting the under.
The Miami Marlins are -1.5 +165 run line favorites at BetMGM, while the Washington Nationals are +1.5 -200 run line underdogs at BetMGM.
MLB Odds Example
|
Game |
 BetMGMBet |
|---|---|
Marlins
Nationals
3/18/26 6:05pm EDT | -110-110 |
- Washington Nationals bettors risk $100 to win $90.91 at -110 odds. The implied probability for Washington Nationals is 52.38%.
- Miami Marlins bettors risk $100 to win $90.91 at -110 odds. The implied probability for Miami Marlins is 52.38%.
Miami Marlins at Washington Nationals Prop Bets
| BetMGM Bet |
|
|---|---|
Marlins
Nationals
3/18/26 6:05pm EDT | Pending BetMGM |
Miami Marlins & Washington Nationals Futures Odds
Latest World Series odds, if available, for each team. Review odds for other teams and learn how to bet on the tournament. See past Championship results and learn how to bet World Series teasers, props and parlays.
Miami Marlins World Series Odds|
Team | BetMGM |
|---|---|
| Marlins | +20000 Bet |
|
Team | BetMGM |
|---|---|
| Nationals | +50000 Bet |
Miami Marlins & Washington Nationals Team Pages
Review each team's season win total odds, futures odds, betting bonuses and other valuable information on our exclusive team betting odds pages. Team betting odds and stats update throughout the season:
Team Standings
| Team | W | L | Pct | GB | Home | Away | RS | RA | Diff | Strk | L10 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Miami Marlins | 0 | 0 | 0.000 | 0.0 | 0-0 | 0-0 | 0 | 0 | 0 | - | 0 |
| Washington Nationals | 0 | 0 | 0.000 | 0.0 | 0-0 | 0-0 | 0 | 0 | 0 | - | 0 |
How to Bet on the Game
Time needed: 4 minutes.
How to Bet on the Miami Marlins vs Washington Nationals MLB Game
-
Open a new sports betting account before game time.
Review our list of sports betting sites. Open a new account before the game starts on Wednesday, March 18th, 2026 at 6:05 pm EDT, making sure to enter all your personal details correctly. Don't forget to add your bonus code.
-
Visit the sportsbook’s cashier, banking, or deposit page.
Navigate to the sportsbook's deposit page. Use your Visa card or MasterCard, or deposit with a bank transfer, or other methods like Paypal.
-
Tap to the sportsbook's MLB page, look for the Miami Marlins vs Washington Nationals Game.
Navigate to the sportsbook's MLB page. Next, look for live or upcoming matchups. Select the Miami Marlins vs Washington Nationals Game.
-
Choose your bet and place a wager.
Choose your bet and then use the funds you deposited to place a wager. The sportsbook will pay your winnings or deduct a losing wager from your account balance after the game.
Other March 18, 2026 MLB Games
- Philadelphia Phillies vs Atlanta Braves - 3/18/26 1:05pm EDT
- Boston Red Sox vs New York Yankees - 3/18/26 1:05pm EDT
- Houston Astros vs St. Louis Cardinals - 3/18/26 1:05pm EDT
- Baltimore Orioles vs Toronto Blue Jays - 3/18/26 1:07pm EDT
- San Francisco Giants vs Los Angeles Dodgers - 3/18/26 4:05pm EDT
- Chicago Cubs vs Arizona Diamondbacks - 3/18/26 4:10pm EDT
- Detroit Tigers vs Pittsburgh Pirates - 3/18/26 6:05pm EDT
- Kansas City Royals vs Texas Rangers - 3/18/26 9:05pm EDT