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Seattle (68-57) at Philadelphia (71-53)
- When: Aug 18 2025, 6:45 PM
- Where: Citizens Bank Park, Philadelphia
- Where to watch: NBCS-PH
Mariners vs. Phillies – Game Betting Preview & Prediction
Moneyline: Seattle -114
Spread: Seattle -1.5 (+150)
Total: 8.0
Seattle Mariners Betting Outlook
The Mariners head into this three-game set as slight road favorites, priced at -114 on the moneyline with a total of 8.0. Seattle has dropped four of its last five contests, including a rough 7-3 defeat to the Mets in the Little League Classic. Starter George Kirby couldn’t find his rhythm, and the bullpen had little room to recover. Still, Cal Raleigh’s 47th homer reminded bettors that this lineup can swing momentum quickly.
Logan Gilbert will be tasked with steadying things on the mound. The right-hander owns a respectable 3.31 ERA but has struggled to rack up wins lately, with just one victory across his last nine outings. Against the Phillies, Gilbert has historically been shaky, going winless in three career starts. Bettors will be watching closely to see if he can finally flip that script.
Philadelphia Phillies Betting Outlook
The Phillies return home hoping Ranger Suárez can rediscover his first-half dominance. Once a Cy Young contender, Suárez has been shaky lately, allowing 11 runs in his last two starts, both blowout losses. Philadelphia needs him sharp here to avoid slipping further in the NL race.
Offensively, the Phillies showed life in Washington, closing out the series with an 11-9 win behind key hits from Nick Castellanos and Weston Wilson. Even better news came with Alec Bohm’s return from injury, as the third baseman homered in his first game back. The lineup looks deeper and more dangerous with him back in action, giving Philadelphia bettors some reason for optimism.
Final Betting Outlook
Seattle’s slight edge in the odds reflects Gilbert’s steadiness compared to Suárez’s recent struggles. Still, Philadelphia’s bats looked lively against the Nationals, and a return home could spark a turnaround. Expect a tightly contested opener with runs in play.
Score Prediction: Mariners 5, Phillies 4
Pick: Seattle (-114)
Total: Over 8.0 (-108)
- MLB Odds source: MyBookie Sportsbook
- Get real-time live scores & latest betting odds here!
