Seattle Mariners vs San Diego Padres Odds

The Mariners will play the Padres on Sunday, May 18th, 2025. 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

Key Matchup Stats

  • SportsBetting3.com Power Rankings - The Seattle Mariners have a 92.00 power ranking. The power ranking for the San Diego Padres is 96.67.
  • Visiting Seattle Mariners - The Seattle Mariners have a 10-8 record as a visiting team, ranking them 5th Overall for visiting team wins.
  • Home San Diego Padres - The San Diego Padres have a 16-5 record as a home team. They rank 2nd for home team wins in the Overall standings.
  • Runs Scored - The Seattle Mariners currently stand 10th (201) Overall, with the San Diego Padres ranking 11th (196) for runs scored.
  • Runs Allowed - The Seattle Mariners are 10th (190) Overall for runs allowed. The San Diego Padres stand 24th (146) for runs allowed.
  • Team Streaks - The Seattle Mariners lost their last game. Meanwhile, the San Diego Padres have won their last 2 games.
  • Team Records - The Seattle Mariners have a 23-19 Overall record (0.0 GB American West Division), with the San Diego Padres possessing a 27-15 Overall standing (0.5 GB National West Division).

Captain Shady Lines

A broken compass is right at least twice a day.

Captain Shady Lines
Captain Shady Lines

Avast ye scallywags! The Mariners face the Padres in a fierce battle...

Seattle be struggling with a losing record, but they'll fight like true pirates...

If ye have the guts, head to SportsBetting3.com and bet on this game...

The odds be stacked against the Mariners, but don't be a cowardly landlubber...

San Diego be a formidable foe with a winning record at home...

Review the odds below, and may the best team emerge victorious on Sunday!

Best Mariners at Padres Odds


Best Moneyline Betting Odds
Underdog

Seattle Mariners
Favorite

San Diego Padres
The San Diego Padres are the -145 moneyline favorite. Risk $145 to win $100 on the San Diego Padres at BetMGM. The Seattle Mariners are the +120 underdog at BetMGM. Risk $100 to win $120 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 7.5 runs. Risk $105 to win $100. BetMGM has the best under line of 7.5 runs. Risk $115 to win $100. Our tutorial explains more about total bets.

Best Run Line Betting Odds
Underdog

Seattle Mariners
Favorite

San Diego Padres
The San Diego Padres have a -1.5 +155 run line at BetMGM OH. They are the run line favorite in this matchup. The Seattle Mariners have a +1.5 -190 run line at BetMGM OH. The Seattle Mariners 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 San Diego Padres MLB game on Sunday, May 18th, 2025?

The San Diego Padres are the -145 moneyline favorite at BetMGM and the Seattle Mariners are the +120 moneyline underdog at BetMGM.

What is the over-under total line for the Seattle Mariners vs San Diego Padres MLB game on Sunday, May 18th, 2025?

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.

What is the run line for the Seattle Mariners vs San Diego Padres MLB game on Sunday, May 18th, 2025?

The San Diego Padres are -1.5 +155 run line favorites at BetMGM, while the Seattle Mariners are +1.5 -190 run line underdogs at BetMGM.

MLB Odds Example

MLB Odds and Outcomes Explained

Game
BetMGM Sports Betting BetMGM
Bet
Mariners
Padres
5/18/25 4:10pm EDT
+120-145
Bet $100 at BetMGM Ohio
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Possible Moneyline Outcomes
  • Seattle Mariners bettors risk $100 to win $120 at +120 odds. The implied probability for Seattle Mariners is 45.45%.
  • San Diego Padres bettors risk $100 to win $68.97 at -145 odds. The implied probability for San Diego Padres is 59.18%.

Seattle Mariners at San Diego Padres Prop Bets

MLB Prop Bets
+ Displays more odds
BetMGM Sports Betting BetMGM
Bet
Mariners
Padres
First Team to Score
5/18/25 4:10pm EDT
-135+105Bet
Mariners
Padres
Tie
1st Inning Winner
5/18/25 4:10pm EDT
+325+300-150Bet
Mariners
Padres
Tie
First 3 Innings Winner
5/18/25 4:10pm EDT
+165+130+260Bet
Mariners
Padres
To Extra Innings
5/18/25 4:10pm EDT
Yes +700No -1100Bet
BetMGM Sports Betting BetMGM

Seattle Mariners & San Diego Padres 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
+3000
Bet
San Diego Padres World Series Odds
2025 San Diego Padres World Series Odds

Team
BetMGM Sports Betting BetMGM
Padres
+3500
Bet

Seattle Mariners & San Diego Padres 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, San Diego Padres
Team W L Pct GB Home Away RS RA Diff Strk L10
San Diego Padres30220.577+4.017-813-14217199+18W23-7
Seattle Mariners29230.558+5.013-1116-12238219+19L26-4

How to Bet on the Game

Time needed: 4 minutes.

How to Bet on the Seattle Mariners vs San Diego Padres 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, May 18th, 2025 at 4:10 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 San Diego Padres Game.

    Navigate to the sportsbook's MLB page. Next, look for live or upcoming matchups. Select the Seattle Mariners vs San Diego Padres 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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