Seattle Mariners vs Philadelphia Phillies Prediction & Betting Tips for 8/25/2026

The Philadelphia Phillies, entering with a record of 73-58, are on a remarkable winning streak of nine games. Their recent performance has placed them second in the NL East division. Under the guidance of interim manager Don Mattingly, the Phillies have demonstrated strong form, winning nine of their last ten games.

Conversely, the Seattle Mariners hold a 62-69 record and are positioned third in the AL West division. Despite a challenging season, they have shown resilience with a 6-4 record over their last ten games. The Mariners are looking to rebound from a tough 19-2 loss to the Chicago Cubs in their previous outing.

The game is set to take place at T-Mobile Park in Seattle, with a start time of 9:40 PM. The weather forecast indicates scattered clouds and a hot day, though the retractable roof at the venue should mitigate any weather impact on the game. The Phillies aim to continue their impressive run, while the Mariners seek to leverage their home-field advantage to get back on track.

Mariners vs Phillies At a Glance

• Game Venue: T-Mobile Park in Seattle, WA, featuring a retractable roof.
• Phillies Form: Philadelphia Phillies are on a hot streak, winning their last 9 games.
• Mariners Standing: Seattle Mariners are ranked 3rd in the AL West with a record of 62-69.
• Weather Conditions: The game is expected to see scattered clouds with a light breeze.
• Game Time: The game is scheduled for August 25, 2026, at 9:40 PM.
• Broadcast Info: The game will be aired on SEAM.

Mariners Look to Steady the Ship Against Phillies

Philadelphia Phillies Hitting Overview

The Philadelphia Phillies enter the game with a middle-of-the-pack offense. They are ranked 20th in batting average at .229, and 17th in on-base percentage with .309.

Their slugging percentage is also ranked 20th at .375, reflecting a need for more power in their lineup. Their 149 home runs rank 15th, indicating some pop is present but not consistent enough to push them higher in the standings.

Phillies' Key Players to Watch

Aaron Nola will take the mound for the Phillies. Despite a challenging season with a 5-9 record, his 146 strikeouts highlight his capability to dominate on any given day.

Offensively, much of the burden will fall on the shoulders of their mid-tier power hitters to find consistency against the Mariners' pitching staff. The Phillies will need contributions from throughout their lineup to support Nola on the mound.

Phillies' Pitching Analysis

The Phillies' pitching staff has faced its own challenges, sporting a 4.12 ERA, which ranks 14th in the league. They have allowed a batting average against of .248, placing them 13th overall.

Despite these challenges, their ability to produce 57 quality starts ranks them 2nd, suggesting their rotation can deliver strong outings when needed. Limiting home runs will be key, as they have given up 153, placing them 15th in that category.

Team Betting Trends

• SU as Favorite: 52-51 (50.5%)
• SU as Underdog: 10-18 (35.7%)
• Runline in Away Games: 25-41 (37.9%)
• O/U All Games: 67-64 (51.1%)

Phillies Set to Battle Mariners: A Look at the Away Team's Performance

Team Overview

The Seattle Mariners enter the game with a batting average of .243, placing them 12th in the league. Their on-base percentage is .314, ranking 14th. With a slugging percentage of .404, they hold the 10th position in this category.

In terms of power, the Mariners have hit 158 home runs, putting them 11th in the league. Their ability to score with doubles has been moderate, with 192 doubles ranking them 19th. They have drawn 420 walks, which places them 20th in the league.

Key Players to Watch

George Kirby will be a critical player for the Mariners on the mound. This season, Kirby has an 8-10 record with a 4.18 ERA and 117 strikeouts. His WHIP stands at 1.36, which indicates how effectively he can manage baserunners.

Offensively, the Mariners rely on their power hitters to drive in runs. With their home run total placing them 11th, they have a balanced lineup capable of producing big hits. Their ability to capitalize on scoring opportunities will be crucial against the Phillies' pitching.

Pitching Performance

The Mariners' pitching staff holds a 4.11 ERA, ranking 13th in the league. Opposing teams are batting .250 against them, placing the Mariners 14th in the batting average against category.

They have given up 154 home runs, ranking 16th, but have managed to secure 56 quality starts, ranking them 3rd. Their bullpen has struggled with 17 blown saves, placing them 6th in this less-than-ideal category.

Betting Trends

• Mariners are 8-10 in games started by George Kirby this season.
• Mariners have a 4.18 ERA in away games.
• Seattle is 11th in home runs with 158 this season.
• They are 13th in ERA with a 4.11 team ERA.
• Mariners' on-base percentage ranks 14th at .314.

Mariners vs Phillies Prediction: Over 7.5

The upcoming game between the Mariners and the Phillies presents a fascinating opportunity to consider the over on the total runs. Aaron Nola, pitching for the Phillies, has a 5.12 ERA this season, which suggests the Mariners may be able to put up runs against him. Furthermore, George Kirby for the Mariners holds a 4.18 ERA, indicating that the Phillies could also score effectively.

The Phillies are riding a significant hot streak, winning their last nine games and going 9-1 in their last ten, indicating strong offensive performance. Historically, recent matchups between these teams have seen high-scoring outcomes, with the over hitting in their last three encounters. This trend supports the expectation of a high-scoring game.

Both teams have shown tendencies toward games going over the total set by sportsbooks, with the Mariners hitting the over in 8 of their last 10 games. Similarly, the over has been 3-0 in the last three games these teams played against each other. Given these factors, there is a strong argument for the over 7.5 in this matchup.

Considering the offensive capabilities of both teams and the recent trends, a projected final score of Phillies 6, Mariners 4 aligns with the over 7.5 prediction. This score reflects the potential for both teams to capitalize on the vulnerabilities of the opposing pitchers.

• Mariners vs Phillies Prediction: Over 7.5
• Mariners vs Phillies Score: Phillies 6 - Mariners 4

Disclaimer: Knup Predictions are for entertainment and informational purposes only. Must be 21+ where applicable. Please gamble responsibly. If you or someone you know has a gambling problem, call 1-800-GAMBLER.