The Diamondbacks will play the Mariners on Friday, February 27th, 2026. Your timezone's first pitch time is 8:10 pm EST. 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 Diamondbacks at Mariners Odds
| Underdog Arizona Diamondbacks | Favorite Seattle Mariners |
|---|---|
| Over | Under |
|---|
| TBD | TBD |
|---|
Matchup Odds FAQs
The Seattle Mariners are the -140 moneyline favorite at BetMGM and the Arizona Diamondbacks are the +115 moneyline underdog at BetMGM.
MLB Odds Example
|
Game |
 BetMGMBet |
|---|---|
Diamondbacks
Mariners
2/27/26 8:10pm EST | +115-140 |
- Arizona Diamondbacks bettors risk $100 to win $115 at +115 odds. The implied probability for Arizona Diamondbacks is 46.51%.
- Seattle Mariners bettors risk $100 to win $71.43 at -140 odds. The implied probability for Seattle Mariners is 58.33%.
Arizona Diamondbacks at Seattle Mariners Prop Bets
| BetMGM Bet |
|
|---|---|
Diamondbacks
Mariners
2/27/26 8:10pm EST | 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 |
|---|---|
| Diamondbacks | +8000 Bet |
|
Team | BetMGM |
|---|---|
| Mariners | +1300 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| x - Seattle Mariners | 90 | 72 | 0.556 | +7.0 | 51-30 | 39-42 | 766 | 694 | +72 | L3 | 7-3 |
| e - Arizona Diamondbacks | 80 | 82 | 0.494 | +17.0 | 43-38 | 37-44 | 791 | 785 | +6 | L5 | 3-7 |
How to Bet on the Game
Time needed: 4 minutes.
How to Bet on the Arizona Diamondbacks vs Seattle Mariners 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 Friday, February 27th, 2026 at 8:10 pm EST, 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 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.
-
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 February 27, 2026 MLB Games
- Boston Red Sox vs Atlanta Braves - 2/27/26 1:05pm EST
- New York Yankees vs Minnesota Twins - 2/27/26 1:05pm EST
- Baltimore Orioles vs Pittsburgh Pirates - 2/27/26 1:05pm EST
- New York Mets vs St. Louis Cardinals - 2/27/26 1:05pm EST
- Toronto Blue Jays vs Tampa Bay Rays - 2/27/26 1:05pm EST
- Los Angeles Dodgers vs San Francisco Giants - 2/27/26 3:05pm EST
- Oakland Athletics vs Kansas City Royals - 2/27/26 3:05pm EST
- Los Angeles Angels vs Cincinnati Reds - 2/27/26 3:05pm EST
- Cleveland Guardians vs Chicago Cubs - 2/27/26 3:05pm EST
- San Diego Padres vs Colorado Rockies - 2/27/26 3:10pm EST
- Houston Astros vs Washington Nationals - 2/27/26 6:05pm EST