Tampa Bay Rays vs Seattle Mariners odds and betting data
This is the MLB event page for Tampa Bay Rays vs Seattle Mariners. You can see and compare odds across different sportsbooks. The matchup is scheduled for Saturday, August 8 at 1:46 AM UTC, and the odds tables below organize every available price by sportsbook, market, team, and outcome so you can quickly scan the best number before placing a bet.
Linewhale highlights the strongest current prices across 16 sportsbooks, including moneyline prices when available, spread points and prices, and over/under totals. Use this page to compare sportsbook odds, identify the best price for each side, review market differences, and open free line movement history for individual odds.
Free line movement for Tampa Bay Rays vs Seattle Mariners
To see line movement for this event, use the odds table below and click a specific moneyline, spread, or total price. Linewhale will open a free line movement chart for the selected sportsbook and outcome for Tampa Bay Rays vs Seattle Mariners, can review how that number has changed before you bet.
Moneyline· Pick the winner
Spread· Tampa Bay Rays -1.5 / Seattle Mariners +1.5
| Side | DDraftKings | FFanatics Sportsbook | FFanDuel | MMyBookie.ag | BBetOpenly | KKalshi | NNovig | PPolymarket |
|---|---|---|---|---|---|---|---|---|
Tampa Bay Rays | -1.5 | -1.5 | -1.5 | -1.5 | -1.5 | -1.5 | -1.5 | -1.5 |
Seattle Mariners | +1.5 | +1.5 | +1.5 | +1.5 | +1.5 | +1.5 | +1.5 | +1.5 |
Spread· Tampa Bay Rays +1.5 / Seattle Mariners -1.5
| Side | CCaesars Sportsbook | LLowVig.ag | BBetOnline.ag | BBetMGM | BBetRivers | BBetUS | BBovada |
|---|---|---|---|---|---|---|---|
Tampa Bay Rays | +1.5 | +1.5 | +1.5 | +1.5 | +1.5 | +1.5 | +1.5 |
Seattle Mariners | -1.5 | -1.5 | -1.5 | -1.5 | -1.5 | -1.5 | -1.5 |
Spread· Tampa Bay Rays -1 / Seattle Mariners +1
| Side | PProphetX |
|---|---|
Tampa Bay Rays | -1 |
Seattle Mariners | +1 |
Tampa Bay Rays vs Seattle Mariners betting odds overview
Compare MLB odds for Tampa Bay Rays vs Seattle Mariners, scheduled for Saturday, August 8 at 1:46 AM UTC. Linewhale tracks moneyline, spread, and total prices across major US sportsbooks so you can compare the best available number before placing a bet.
Best moneyline odds
Tampa Bay Rays is listed at +106 on BetOpenly, while Seattle Mariners is listed at -105 on ProphetX.
Best spread odds
The best listed spread prices are Tampa Bay Rays -1.5 at +197 on BetOpenly and Seattle Mariners +1.5 at -192 on Kalshi.
Best total odds
The best over price is +112 on BetOpenly; the best under price is +120 on Novig. The listed total is 7.
Odds can move quickly as sportsbooks adjust to injuries, lineup news, betting volume, and market-making books. Always confirm the final price at the sportsbook before submitting a wager.
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