Philadelphia Phillies vs. Seattle Mariners: Picks, Predictions, Odds and Player Props

The Philadelphia Phillies crashed to a 10-2 loss in Friday night's opening game against the Seattle Mariners to see their losing streak extend to five games, and they will be desperate to see that end as they look to maintain their lead at the top of the National League East.

Philadelphia Phillies vs. Seattle Mariners betting picks and predictions

Mariners ML (-120)

The series opener was expected to be a low-scoring affair between Tyler Phillips and Bryan Woo, but the Mariners jumped on Phillips early and the game turned into a softball score.

Seattle won 10-2 in a game that had the Phillies lost from the start. Phillips wasn’t able to command the zone while the Phillies offense struggled against Woo and the elite Mariners bullpen.

Philadelphia has a shot at redemption on Saturday night, but it won’t be easy.

The Mariners are starting Bryce Miller, a young right-hander that has plenty of potential. The 25-year-old has a 3.46 ERA and 1.03 WHIP in 21 starts and has been a cheat code at home. In Seattle, Miller’s ERA drops to 1.88 and he’s allowing just a .181 batting average with a .521 OPS.

Fortunately for him, tonight’s start takes place at home and he’s backed by a healthy and rested Seattle bullpen. If Miller can give the Mariners five or six innings with two runs or less allowed, he puts the Mariners in a great spot to win the second game of the series.

The Phillies originally had Kolby Allard scheduled to start tonight, but they decided to use an opener first and then have Allard follow. Orion Kerkering will make his 42nd appearance and second start tonight against the Mariners.

The right-hander quickly burst onto the scene last year with his wicked sweeper and ability to control the zone. Kerkering has become a favorite of Rob Thomson, and he’s earned enough trust to become an opener.

However, the problem will be after Kerkering. Allard has a 5.60 ERA between Double-A and Triple-A this season but still received a promotion to the big leagues last week, and he surrendered three runs and six hits in just four innings against the Guardians.

With Seattle’s new-look offense, I like their chances of knocking Allard around while Miller shuts down the Phillies offense.

Under 8.0 (+100)

Tonight's game total is slightly hard to predict since Allard hasn’t proved himself at the big league level yet and Miller has been phenomenal at home.

Plus, there is also a lot of uncertainty regarding how long Allard will pitch. It’s pretty set that Kerkering will only pitch one inning since he’s yet to pitch more than 1.2 innings in an appearance in 2024.

That leaves about four or five innings for Allard to fill, and while I do think the Mariners offense will get to him, I don’t think the scoring will come in bunches like it did on Friday night.

The Phillies were able to rest the majority of their high-leverage relievers last night since the game was out of reach by the fifth inning. That means Thomson will have a short leash on Allard and pull him before Seattle starts mounting too big of a rally. 

In his last five starts at home, Miller has allowed just four earned runs, 21 hits, and one home run in 30.2 innings. Ever since he was called up to the Mariners last season, Miller has always been phenomenal at home and has looked more comfortable when he starts in Seattle.

I’m hoping that comfort will help limit one of the most dangerous offenses in the league. Plus, the Philadelphia lineup has performed slightly worse on the road in 2024, and Seattle’s home field is favored towards the pitchers.

As long as Allard doesn’t get shelled in the middle innings, this game should finish with five to six runs scored.

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Philadelphia Phillies vs. Seattle Mariners odds

Philadelphia Phillies	+100
Seattle Mariners	-120
Run Line	Mariners -1.5
Total	O/U 8.0

Philadelphia Phillies vs. Seattle Mariners player props

Player Home Run Odds

Bryce Harper (PHI Phillies)	+265
Kyle Schwarber (PHI Phillies)	+180
Trea Turner (PHI Phillies)	+475
Randy Arozarena (SEA Mariners)	+310
Cal Raleigh (SEA Mariners)	+290
Dylan Moore (SEA Mariners)	+350

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This article was written by a partner sports writer via Spotlight Sports Group. All odds displayed on this page were correct at the time of writing and are subject to withdrawal or change at any time.