The Philadelphia Phillies continue their series against the Seattle Mariners at Citizens Bank Park tonight.
My Mariners vs. Phillies predictions target Philadelphia starter Cristopher Sanchez to record at least seven Ks.
Find out why in my MLB picks for August 19.
Mariners vs Phillies prediction
Mariners vs Phillies best bet: Cristopher Sanchez Over 6.5 strikeouts (-115)
The Philadelphia Phillies took the series opener over Seattle with a 12-7 win on Monday night, but don’t let the final score fool you. Philadelphia led 7-0 through six innings with Ranger Suarez racking up 10 strikeouts in 6 2/3 innings.
Philadelphia has another southpaw on the mound tonight in Cristopher Sanchez. While Suarez now has 111 strikeouts in 119 innings this season, Sanchez is over a strikeout per inning with 157 punchouts in 150 2/3 frames.
Sanchez hasn’t reached this seven-strikeout mark in his last four starts, but did rack up 12 strikeouts in a complete game against the Red Sox on July 22. The Seattle Mariners are also very susceptible to the strikeout against southpaws.
Seattle has now struck out the most against left-handed pitchers this season with 345 punchouts in 1,235 at-bats (27.93%). The Mariners are one of the most strikeout-prone teams overall this season, with 8.91 per game.
Mariners vs Phillies same-game parlay (SGP)
Bryce Harper is swinging a red-hot bat right now after hitting not one but two home runs on Monday night. And they weren’t cheapies either, as both travelled over 440 feet. He’s now 7 for his last 19 with three home runs and a double.
The Mariners are scuffling right now, getting outscored 22-11 in their last three contests. They’ve also lost five of their last six overall and are running into a hot Phillies team that has put up double-digit runs in back-to-back contests.
Mariners vs Phillies odds
- Moneyline: Seattle +165 | Philadelphia -170
- Run line: Seattle +1.5 (-135) | Philadelphia -1.5 (+110)
- Over/Under: Over 8 | Under 8
Mariners vs Phillies trend
The Philadelphia Phillies have hit the moneyline in 38 of their last 59 games at home (+6.95 Units / 7% ROI). Find more MLB betting trends for Mariners vs. Phillies.
How to watch Mariners vs Phillies and game info
| Location | Citizens Bank Park, Philadelphia, PA |
| Date | Tuesday, August 19, 2025 |
| First pitch | 6:45 p.m. ET |
| TV | NBCS-Philadelphia, ROOT |
| Mariners starting pitcher | Bryce Miller (2-5, 5.73 ERA) |
| Phillies starting pitcher | Cristopher Sanchez (11-4, 2.45 ERA) |
Mariners vs Phillies latest injuries
Mariners vs Phillies weather
Odds are correct at the time of publishing and are subject to change.
Not intended for use in MA.
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