The Diamondbacks will play the Mariners on Sunday, September 12th, 2021. Your timezone's first pitch time is 4:10 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.
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Table of Contents
- Best Odds
- Interactive Odds Example
- Prop Bets
- Team Futures Odds
- Team Pages
- Team Standings
- Other Games Today
Best Diamondbacks at Mariners Odds
| Underdog | Favorite |
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| Over | Under |
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| Underdog | Favorite |
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MLB Odds Example
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Game |
Bet |
|---|---|
2:34pm EDT | TBD OH,US |
No OH,US Moneylines available for this game.
Arizona Diamondbacks at Seattle Mariners Prop Bets
 BetMGMBet |
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|---|---|
Diamondbacks
Mariners
9/12/21 4:10pm EDT | Pending BetMGM |
Arizona Diamondbacks & Seattle Mariners 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.
Arizona Diamondbacks World Series Odds|
Team | BetMGM |
 BetRivers |
|---|---|---|
| Diamondbacks | +3000 Bet | +3000 Bet |
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Team | BetMGM |
BetRivers |
|---|---|---|
| Mariners | +2200 Bet | +2200 Bet |
Arizona Diamondbacks & Seattle Mariners 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| e - Seattle Mariners | 90 | 72 | 0.556 | +17.0 | 46-35 | 44-37 | 697 | 748 | -51 | L1 | 7-3 |
| e - Arizona Diamondbacks | 52 | 110 | 0.321 | +55.0 | 32-49 | 20-61 | 679 | 893 | -214 | W2 | 4-6 |
How to Bet on the Game
Time needed: 4 minutes.
How to Bet on the Arizona Diamondbacks vs Seattle Mariners MLB Game
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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 Sunday, September 12th, 2021 at 4:10 pm EDT, making sure to enter all your personal details correctly. Don't forget to add your bonus code.
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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.
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Tap to the sportsbook's MLB page, look for the Arizona Diamondbacks vs Seattle Mariners Game.
Navigate to the sportsbook's MLB page. Next, look for live or upcoming matchups. Select the Arizona Diamondbacks vs Seattle Mariners Game.
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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.