The Mariners will play the Blue Jays on Monday, October 20th, 2025. Your timezone's first pitch time is 8:08 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 Mariners at Blue Jays Odds
| Underdog Seattle Mariners | Favorite Toronto Blue Jays |
|---|---|
| Over | Under |
|---|---|
| Underdog Seattle Mariners | Favorite Toronto Blue Jays |
|---|---|
Matchup Odds FAQs
The Toronto Blue Jays are the -125 moneyline favorite at BetMGM and the Seattle Mariners are the +105 moneyline underdog at BetMGM.
The best over line is 7.5 -105 runs at BetMGM, which means you risk $105 to win $100 betting the over. The best under line is 7.5 -115 runs at BetMGM, and that means you risk $115 to win $100 betting the under.
The Toronto Blue Jays are -1.5 +170 run line favorites at BetMGM, while the Seattle Mariners are +1.5 -210 run line underdogs at BetMGM.
MLB Odds Example
|
Game |
 BetMGMBet |
|---|---|
Mariners
Blue Jays
8:08pm EDT | +105-125 |
- Seattle Mariners bettors risk $100 to win $105 at +105 odds. The implied probability for Seattle Mariners is 48.78%.
- Toronto Blue Jays bettors risk $100 to win $80 at -125 odds. The implied probability for Toronto Blue Jays is 55.56%.
Seattle Mariners at Toronto Blue Jays Prop Bets
| BetMGM Bet |
|
|---|---|
Mariners
Blue Jays
First Team to Score
8:08pm EDT | -145+110Bet |
Mariners
Blue Jays
To Extra Innings
8:08pm EDT | Yes +725No -1200Bet |
Mariners
Blue Jays
1st Team to Score Will Win
8:08pm EDT | Yes -250No +190Bet |
Mariners
Total Runs
SEA at TOR 8:08pm EDT | 3.5 o -1153.5 u -110Bet |
| BetMGM | |
Blue Jays
Total Runs
SEA at TOR 8:08pm EDT | 3.5 o -1253.5 u -105Bet |
George Kirby
Strikeouts Thrown
SEA at TOR 8:08pm EDT | 3.5 o +1103.5 u -145Bet |
Shane Bieber
Strikeouts Thrown
SEA at TOR 8:08pm EDT | 4.5 o -1254.5 u -105Bet |
Seattle Mariners & Toronto Blue Jays 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 | +240 Bet |
|
Team | BetMGM |
|---|---|
| Blue Jays | +850 Bet |
Seattle Mariners & Toronto Blue Jays 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| * - Toronto Blue Jays | 94 | 68 | 0.580 | +3.0 | 54-27 | 40-41 | 798 | 721 | +77 | W4 | 5-5 |
| x - Seattle Mariners | 90 | 72 | 0.556 | +7.0 | 51-30 | 39-42 | 766 | 694 | +72 | L3 | 7-3 |
How to Bet on the Game
Time needed: 4 minutes.
How to Bet on the Seattle Mariners vs Toronto Blue Jays 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 Monday, October 20th, 2025 at 8:08 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 Seattle Mariners vs Toronto Blue Jays Game.
Navigate to the sportsbook's MLB page. Next, look for live or upcoming matchups. Select the Seattle Mariners vs Toronto Blue Jays 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.