Seattle Mariners vs Detroit Tigers Odds

The Mariners will play the Tigers on Sunday, July 13th, 2025. Your timezone's first pitch time is 1:40 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

Key Matchup Stats

  • SportsBetting3.com Power Rankings - As the 2025 season continues, the Seattle Mariners possess a 92.33 SportsBetting3.com power ranking. The Detroit Tigers now have a 97.33 power ranking. Teams with a higher SportsBetting3.com power ranking will typically be moneyline favorites.
  • Visiting Seattle Mariners - The Seattle Mariners head into this matchup with a 25-24 record as a visiting team. This standing ranks them 3rd Overall for visiting team wins.
  • Home Detroit Tigers - The Detroit Tigers will throw the first pitch possessing a 32-17 home team record. That puts them 2nd for home team wins in the Overall MLB standings.
  • Runs Scored - Seattle Mariners batters have produced 443 runs, ranking them 9th Overall, with the Detroit Tigers ranking 6th (478) for runs scored.
  • Runs Allowed - Seattle Mariners pitchers and fielders have allowed 415 runs, ranking them 12th Overall for runs allowed. Meanwhile, the Detroit Tigers now rank 17th Overall, allowing 387 runs.
  • Team Streaks - The Seattle Mariners have won their last 2 games. Their opponent, the Detroit Tigers have lost their last 3 games.
  • Team Records - Let's review each team's records. The Seattle Mariners have a 50-45 Overall record (5.5 GB American West Division), with the Detroit Tigers notching a 59-37 Overall standing (0.0 GB American Central Division).

Captain Shady Lines

A broken compass is right at least twice a day.

Captain Shady Lines
Captain Shady Lines

Arrr, ye scurvy dogs! The Seattle Mariners be facing the Detroit Tigers...

On Sunday, July 13th, 2025, the Mariners be sailing into enemy territory...

With a 50-45 record, they be lookin' to plunder a victory...

But the Tigers be no pushovers with a 59-37 record...

This be a battle of the seas, mateys! Will the Mariners come out on top or will the Tigers send them to Davy Jones' locker?

Check out this game's prop bets below, bet on MLB baseball at legal US sportsbooks, and review each team's standing at the bottom of the page. Good luck, ye scallywags!

Best Mariners at Tigers Odds


Best Moneyline Betting Odds
Underdog

Seattle Mariners
Favorite

Detroit Tigers
The Detroit Tigers are the -110 moneyline favorite. Risk $110 to win $100 on the Detroit Tigers at BetMGM. The Seattle Mariners are the -110 underdog at BetMGM. Risk $110 to win $100 on the Seattle Mariners. Learn more about how to bet on money lines.

Best Total Betting Odds
OverUnder
BetMGM has the best over line of 8 runs. Risk $105 to win $100. BetMGM has the best under line of 8 runs. Risk $115 to win $100. Our tutorial explains more about total bets.

Best Run Line Betting Odds
Underdog

Detroit Tigers
Favorite

Seattle Mariners
The Seattle Mariners have a -1.5 +155 run line at BetMGM OH. They are the run line favorite in this matchup. The Detroit Tigers have a +1.5 -190 run line at BetMGM OH. The Detroit Tigers are the run line underdogs. Review how to bet on a point spread with our text and video tutorials.

Matchup Odds FAQs

What is the moneyline for the Seattle Mariners vs Detroit Tigers MLB game on Sunday, July 13th, 2025?

The Detroit Tigers are the -110 moneyline favorite at BetMGM and the Seattle Mariners are the -110 moneyline underdog at BetMGM.

What is the over-under total line for the Seattle Mariners vs Detroit Tigers MLB game on Sunday, July 13th, 2025?

The best over line is 8 -105 runs at BetMGM, which means you risk $105 to win $100 betting the over. The best under line is 8 -115 runs at BetMGM, and that means you risk $115 to win $100 betting the under.

What is the run line for the Seattle Mariners vs Detroit Tigers MLB game on Sunday, July 13th, 2025?

The Seattle Mariners are -1.5 +155 run line favorites at BetMGM, while the Detroit Tigers are +1.5 -190 run line underdogs at BetMGM.

MLB Odds Example

MLB Odds and Outcomes Explained

Game
BetMGM Sports Betting BetMGM
Bet
Mariners
Tigers
7/13/25 1:40pm EDT
-110-110
Bet $100 at BetMGM Ohio
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Possible Moneyline Outcomes
  • Seattle Mariners bettors risk $100 to win $90.91 at -110 odds. The implied probability for Seattle Mariners is 52.38%.
  • Detroit Tigers bettors risk $100 to win $90.91 at -110 odds. The implied probability for Detroit Tigers is 52.38%.

Seattle Mariners at Detroit Tigers Prop Bets

MLB Prop Bets
+ Displays more odds
BetMGM Sports Betting BetMGM
Bet
Mariners
Tigers
First Team to Score
7/13/25 1:40pm EDT
-160+125Bet
Mariners
Tigers
Tie
1st Inning Winner
7/13/25 1:40pm EDT
+290+320-140Bet
Mariners
Tigers
Tie
First 3 Innings Winner
7/13/25 1:40pm EDT
+140+150+270Bet
Mariners
Tigers
To Extra Innings
7/13/25 1:40pm EDT
Yes +725No -1200Bet
BetMGM Sports Betting BetMGM
Mariners
Tigers
1st Team to Score Will Win
7/13/25 1:40pm EDT
Yes -250No +190Bet
Tigers
Total Runs
SEA at DET
7/13/25 1:40pm EDT
3.5 o -1303.5 u -102Bet
Mariners
Total Runs
SEA at DET
7/13/25 1:40pm EDT
3.5 o -1453.5 u +110Bet
Jack Flaherty
Strikeouts Thrown
SEA at DET
7/13/25 1:40pm EDT
6.5 o -1106.5 u -115Bet
BetMGM Sports Betting BetMGM
Logan Gilbert
Strikeouts Thrown
SEA at DET
7/13/25 1:40pm EDT
6.5 o -1256.5 u -105Bet

Seattle Mariners & Detroit Tigers 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
2025 Seattle Mariners World Series Odds

Team
BetMGM Sports Betting BetMGM
Mariners
+1200
Bet
Detroit Tigers World Series Odds
2025 Detroit Tigers World Series Odds

Team
BetMGM Sports Betting BetMGM
Tigers
+750
Bet

Seattle Mariners & Detroit Tigers 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

2025 MLB Regular Season Standings - Seattle Mariners, Detroit Tigers
Team W L Pct GB Home Away RS RA Diff Strk L10
Detroit Tigers78570.578+5.044-2534-32650565+85L45-5
Seattle Mariners72620.537+10.541-2731-35616591+25W14-6

How to Bet on the Game

Time needed: 4 minutes.

How to Bet on the Seattle Mariners vs Detroit Tigers MLB Game

  1. 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, July 13th, 2025 at 1:40 pm EDT, making sure to enter all your personal details correctly. Don't forget to add your bonus code.

  2. 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.

  3. Tap to the sportsbook's MLB page, look for the Seattle Mariners vs Detroit Tigers Game.

    Navigate to the sportsbook's MLB page. Next, look for live or upcoming matchups. Select the Seattle Mariners vs Detroit Tigers Game.

  4. 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.

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