The Mariners will play the Giants on Wednesday, March 4th, 2026. Your timezone's first pitch time is 9:05 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 Mariners at Giants Odds
| Underdog Seattle Mariners | Favorite San Francisco Giants |
|---|---|
| Over | Under |
|---|---|
| Underdog Seattle Mariners | Favorite San Francisco Giants |
|---|---|
Matchup Odds FAQs
The San Francisco Giants are the -155 moneyline favorite at BetMGM and the Seattle Mariners are the +130 moneyline underdog at BetMGM.
The best over line is 10.5 -115 runs at BetMGM, which means you risk $115 to win $100 betting the over. The best under line is 10.5 -105 runs at BetMGM, and that means you risk $105 to win $100 betting the under.
The San Francisco Giants are -1.5 +120 run line favorites at BetMGM, while the Seattle Mariners are +1.5 -145 run line underdogs at BetMGM.
MLB Odds Example
|
Game |
 BetMGMBet |
|---|---|
Mariners
Giants
3/04/26 9:05pm EST | +130-155 |
- Seattle Mariners bettors risk $100 to win $130 at +130 odds. The implied probability for Seattle Mariners is 43.48%.
- San Francisco Giants bettors risk $100 to win $64.52 at -155 odds. The implied probability for San Francisco Giants is 60.78%.
Seattle Mariners at San Francisco Giants Prop Bets
| BetMGM Bet |
|
|---|---|
Mariners
Giants
3/04/26 9:05pm EST | Pending BetMGM |
Seattle Mariners & San Francisco Giants 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.
Seattle Mariners World Series Odds|
Team | BetMGM |
|---|---|
| Mariners | +1300 Bet |
|
Team | BetMGM |
|---|---|
| Giants | +6600 Bet |
Seattle Mariners & San Francisco Giants 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| San Francisco Giants | 0 | 0 | 0.000 | 0.0 | 0-0 | 0-0 | 0 | 0 | 0 | - | 0 |
| Seattle Mariners | 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 Seattle Mariners vs San Francisco Giants 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 4th, 2026 at 9:05 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 Seattle Mariners vs San Francisco Giants Game.
Navigate to the sportsbook's MLB page. Next, look for live or upcoming matchups. Select the Seattle Mariners vs San Francisco Giants 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 4, 2026 MLB Games
- Houston Astros vs Baltimore Orioles - 3/04/26 1:00pm EST
- New York Yankees vs Boston Red Sox - 3/04/26 1:00pm EST
- Arizona Diamondbacks vs Oakland Athletics - 3/04/26 3:05pm EST
- Chicago Cubs vs Milwaukee Brewers - 3/04/26 3:10pm EST