The New York Mets take on the Washington Nationals at 4:05 p.m. ET this afternoon in the series finale. It’s the perfect opportunity to jump into MLB betting with some of the best MLB betting promos available. New users can unlock over $3,600 in combined sign-up bonuses from some of the best sportsbooks like bet365, Fanatics Sportsbook, BetMGM, and Caesars Sportsbook by creating an account and making Mets vs. Nationals picks.
Here’s a breakdown of the top sign-up offers you can claim for today’s Mets vs. Nationals matchup:
| Top MLB Sportsbooks | MLB Betting Promos | Sign-Up Link |
|---|---|---|
| bet365 | $150 Bet-and-Get or $1,000 First Bet Safety Net | TOPACTION |
| Fanatics Sportsbook | Up to $300 Bet-and-Get Promo or $1,000 in No Sweat Bets | Click Here |
| BetMGM | Bet $10, Get $150 in Bonus Bets if You Win | ACTIONGET |
| Caesars Sportsbook | Bet $1, Get 10 100% Profit Boost Tokens | ACTION4DYW |
Mets vs. Nationals MLB Odds, Pitching Matchup, How to Watch
- Time: 4:05 p.m. ET
- Probable Pitchers: Griffin Canning (NYM) vs. Trevor Williams (WSH)
- Moneyline: Mets (-160), Nationals (+135)
- Run Line: Mets -1.5 (-105), Nationals +1.5 (-115)
- Total: Over 9.5 (-115), Under 9.5 (-105)
Mets vs. Nationals MLB Betting Promos: Score $3,600+ in Bonus Value
Get set for today’s Mets vs. Nationals series finale at 4:05 p.m. ET by taking advantage of the best MLB betting promos available. Top sportsbooks are offering over $3,600 in combined bonus value for new users. Just remember—you can only claim one sign-up bonus per sportsbook, even if multiple offers are available in your state.
1. bet365
- bet365 Bonus Code: TOPACTION
- bet365 Promo: $1,000 First Bet Safety Net or Bet $5, Get $150 in Bonus Bets, Win or Lose
- bet365 PA Promo: Bet $5, Get $150 in Bonus Bets + 50 Casino Spins, Win or Lose
- bet365 States Available: AZ, CO, IA, IL, IN, KY, LA, NC, NJ, OH, PA, TN, VA
When you sign up with the bet365 bonus code TOPACTION, you can claim one of the best Mets vs. Nationals MLB betting promos ahead of today’s. New users in most states can choose between a $150 bet-and-get bonus or a $1,000 First Bet Safety Net. If you're signing up in Pennsylvania, you get an even bigger boost with the $150 bonus bet offer plus 50 spins at bet365 Casino.
Bet-and-Get Offer: Place your first $5+ bet and automatically earn $150 in bonus bets — whether your wager wins or loses.
For example, if you place a $5 first bet on Juan Soto to hit a home run at +350 odds:
- If the bet wins, you earn $17.50 in profit, get your $5 stake back, and still collect $150 in bonus bets.
- If the bet loses, you lose the $5 stake but still receive $150 in bonus bets to keep betting.
First Bet Safety Net: Place your first wager, and if it doesn’t hit, bet365 Sportsbook refunds your stake in bonus bets up to $1,000. If your bet wins, you keep the profits and your original wager amount.
Pennsylvania Exclusive Offer: In PA, make a $5+ first bet and receive $150 in bonus bets plus 50 spins at bet365 Casino — guaranteed, win or lose.
2. Fanatics Sportsbook
- Fanatics Sportsbook Promo: Click Here
- New Fanatics Sportsbook Bet-and-Get Promo: Bet $50, Get $250 in Bonus Bets
- Fanatics Sportsbook Bet-and-Get Promo: Bet $30, Get $300 in Bonus Bets
- Fanatics Sportsbook Sign-Up Bonus: $1,000 in No Sweat Bets
- Fanatics Sportsbook NY Sign-Up Bonus: 300% Profit Boost Token
- Fanatics Sportsbook States Available: AZ, CO, CT, DC, IA, IL, IN, KS, KY, LA, MA, MD, MI, NC, NJ, OH, PA, TN, VA, VT, WV, WY
Get in on today’s action with one of four Mets vs. Nationals MLB betting promos from Fanatics Sportsbook ahead of the Mets vs. Nationals series finale at 4:05 p.m. ET. Depending on your state, there are multiple Fanatics Sportsbook promo options. You can unlock a $250 bet-and-get, $1,000 in No Sweat Bets, a $300 bet-and-get, or a 300% Profit Boost Token exclusively for New York users.
$250 Bet-and-Get: Available in most states, this offer awards you $50 in bonus bets for each of your first five days after signing up. Just opt in daily and place a $10+ bet at odds of -500 or longer. No matter if your bet wins or loses, you collect $50 in bonus bets each day, adding up to $250 total.
$1,000 in No Sweat Bets: Place a $10+ qualifying bet each day for 10 days. If your bet loses, Fanatics Sportsbook refunds up to $100 per day in bonus bets.
For example, place a $100 wager on the Mets moneyline (-160) today:
- If the Mets win, you keep your $100 stake and earn $62.50 in profit.
- If the Mets lose, you get $100 back in bonus bets to use within seven days.
$300 Bet-and-Get: Available in select states, this offer gives you $100 in bonus bets on each of your first three days. Simply opt in daily and place a $10+ qualifying bet to unlock your rewards.
New York Exclusive: New users in New York can claim a 300% Profit Boost Token just for signing up, allowing you to massively boost your payout on your first eligible Mets vs. Nationals wager.
3. BetMGM
- BetMGM Bonus Code: ACTIONGET
- BetMGM Promo: Bet $10, Get $150 in Bonus Bets If You Win
- BetMGM Bonus Code: TOPTAN1600
- BetMGM Promo: 20% First Deposit Match, Up to $1,600 in Sports Bonus
- BetMGM Bonus Code: TOPACTION
- BetMGM Promo: $1,500 First Bet Offer
- BetMGM States Available: AZ, CO, DC, IA, IL, IN, LA, KS, KY, MA, MD, MI, NC, NJ, OH, PA, TN, VA, WV, WY
Register today and choose from three BetMGM bonus code offers to bet on today’s Mets vs. Nationals series finale at 4:05 p.m. ET. Each of these Mets vs. Nationals MLB betting promos is structured a little differently, giving you the flexibility to pick the one that fits your betting style. Depending on your location, you can opt for a $150 bet-and-get, a $1,500 first bet offer, or a 20% deposit match up to $1,600.
$150 Bet-and-Get: Use BetMGM bonus codeACTIONGET, place a $10+ first bet, and if your wager wins, you receive $150 in bonus bets.
$1,600 Deposit Match Offer: With the BetMGM bonus code TOPTAN1600, new users get a 20% deposit match up to $1,600 in sports bonus funds. Just note: there’s a 10x rollover requirement that must be completed within 30 days before you can cash out any winnings.
$1,500 First Bet Offer: Sign up using BetMGM bonus codeTOPACTION, place your first bet, and if it loses, you receive up to $1,500 back in bonus bets. Bonus bets are refunded in five equal installments and expire seven days after being credited.
4. Caesars Sportsbook
- Caesars Sportsbook Promo Code: ACTION4DYW
- Caesars Sportsbook Welcome Offer: Bet $1, Get 10 100% Profit Boost Tokens
- Caesars Sportsbook States Available: AZ, CO, DC, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, NC, NJ, NY, OH, ON, PA, TN, VA, WV, WY
Sign up today and grab one of the top Mets vs. Nationals MLB betting promos for the series finale at Caesars Sportsbook. New users can unlock 10 Profit Boost Tokens by using the Caesars Sportsbook promo codeACTION4DYW and placing a qualifying first bet of $1 or more.
After placing your $1+ qualifying wager, you receive 10 Profit Boost Tokens, each boosting your potential winnings by 100%. Each token can be used on bets of $25 or less and expires 14 days after being issued—perfect for maximizing your returns during today’s MLB action and beyond.
Alternatives to the Best Mets vs. Nationals MLB Betting Promos
If you’re looking for an alternative to traditional sports betting—especially if you’re in a state where sportsbooks aren’t available—Daily Fantasy Sports (DFS) platforms like Sleeper Fantasy and Underdog offer exciting ways to stay involved with today’s action, including the Mets vs. Nationals matchup.
1. Sleeper Fantasy
- Sleeper Fantasy Promo Code: ACTION
- Sleeper Fantasy Sign-Up Offer: Get a 100% Deposit Match, Up to $100
- States Available: AK, AR, CA, CO, FL, GA, KS, KY, MA, MN, NE, NM, NC, ND, OK, OR, RI, SC, SD, TX, UT, VT, WI, WY, DC
Sleeper Fantasy is quickly becoming a go-to destination for DFS players, allowing users to build fantasy contests and player props even in states without legal sports betting. Sign up with the Sleeper Fantasy promo code ACTION to receive a 100% deposit match up to $100. It’s a great way to get started, creating lineups with top players from today’s Mets vs. Nationals game and the rest of Monday’s MLB action.
2. Underdog (DFS)
- Underdog Promo Code: TOPACTION
- Underdog Sign-Up Offer: 50% Deposit Match, Up to $1,000 in Bonus Funds
- Underdog States Available: AL, AK, AZ, AR, CA, DC, DE, GA, IL, KS, KY, MA, MN, MO, NE, NM, NC, ND, OK, OR, RI, SC, SD, TN, TX, UT, VT, VA, WI, WV, WY
Underdog Fantasy offers another fun way to stay in the game by building high-upside DFS lineups with MLB stars from today’s schedule, including Mets vs. Nationals players. Sign up using the Underdog promo codeTOPACTION and receive a 50% deposit match up to $1,000. It's a perfect opportunity to boost your DFS bankroll and jump into pick'em contests or daily drafts.