Philadelphia Phillies vs Seattle Mariners Picks, Prediction, Odds, and Line Movement for Wednesday August 26 2026

By: Kyle Kargel Published 08/26/2026, 08:20 AM ET
Phillies vs Mariners prediction

The Philadelphia Phillies vs Seattle Mariners series finale wraps up Wednesday afternoon at T-Mobile Park, with Seattle looking to complete a sweep after taking the first two games of the series. For more angles across the league, check out these MLB predictions before first pitch. Philadelphia enters at 73-60 after back-to-back losses, while the Mariners are 64-69 and have won two straight games.

TLDR: Quick Picks and Prediction

  • Moneyline Pick: Philadelphia Phillies (-124)
  • Total Pick: Under 7 (-115)
  • Projected Final Score: Phillies 4, Mariners 2

Odds and Line Movement

Current Odds: Phillies vs Mariners

Date Philadelphia Seattle Public ($, #)
08/26 -124 +116 PHI 83%, 67%

Line Movement - Moneyline

Date Philadelphia Seattle Public ($, #)
08/26 -124 +116 PHI 83%, 67%
08/26 -126 +118 PHI 76%, 67%
08/26 -126 +118 PHI 88%, 67%
08/26 -134 +111 PHI 88%, 67%
08/26 -131 +109 PHI 85%, 68%
08/26 -131 +109 PHI 85%, 68%
08/25 -130 +108 PHI 92%, 71%
08/25 -130 +108 PHI 94%, 91%
08/25 -130 +108 PHI 88%, 88%
08/25 -126 +104
08/25 -128 +106
08/25 -128 +106

Line Movement - Total

Date Over Under Public ($, #)
08/26 7o-105 7u-115 U88%, U56%
08/26 7o-102 7u-118 U86%, U50%
08/26 7o-105 7u-115 O89%, O94%
08/25 7o-103 7u-117
08/25 7o-107 7u-113
08/25 7o-111 7u-109
08/25 7o-109 7u-111
08/25 7o+103 7u-124

Key Matchups and Game Preview: Phillies vs Mariners

The Phillies will turn to left-hander Jesus Luzardo, who has put together an excellent season with an 11-5 record, 3.35 ERA and 1.15 WHIP across 156 innings. Luzardo has allowed 133 hits while recording an impressive 194 strikeouts against only 47 walks, giving Philadelphia a significant swing-and-miss weapon as it tries to avoid being swept. Seattle counters with right-hander Bryan Woo, who is 9-8 with a 4.10 ERA but an excellent 1.08 WHIP through 138.1 innings. Woo has surrendered 121 hits, struck out 137 and walked only 29, showing outstanding control even though his ERA is higher than Luzardo's.

Philadelphia owns the better offensive numbers overall, batting .242 with a .313 OBP and .402 slugging percentage while scoring 602 runs and hitting 159 home runs. Kyle Schwarber remains the Phillies' biggest power threat with 39 home runs and 78 RBI, while Brandon Marsh leads the club with a .274 batting average and carries a .433 slugging percentage. Seattle has produced a .230 average, .310 OBP and .377 slugging percentage while scoring 526 runs, although Randy Arozarena has provided a steady middle-of-the-order presence with a .272 average, 20 home runs, 58 RBI, a .369 OBP and .461 slugging percentage.

Luzardo owns the stronger overall pitching profile and Philadelphia has the more productive offense, creating a good opportunity for the Phillies to prevent a sweep. However, Woo's 1.08 WHIP and excellent control should keep Seattle competitive.

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Public money has been squarely on Philadelphia all week, drawing between 76% and 94% of bets and as much as 91% of money on the Phillies at various points. Total betting has leaned toward the Under as first pitch nears, pulling as much as 88% of bets, though the Over had drawn as much as 94% of money on Wednesday morning before the number settled.

PHI vs SEA Injuries and Things To Know

Philadelphia's injury report includes Derek Hill listed day-to-day and catcher Rafael Marchan on the 10-day injured list, while relievers Caleb Killian, Tanner Banks and Felix Reyes are also unavailable. Seattle is dealing primarily with pitching-depth injuries, including Cole Wilcox, Cooper Criswell and Matt Brash, while Brendan Donovan and Will Wilson are also on the injured list.

Philadelphia vs Seattle Side and Over/Under Picks

  • Side Pick: Philadelphia Phillies Moneyline (-124)
  • Total Pick: Under 7 (-115)

The betting market has Philadelphia around -124 on the moneyline with Seattle at +116, while the total is set at a low 7. A matchup between two starters capable of limiting baserunners makes the low total justified alongside the Phillies on the moneyline.

Phillies vs Mariners Final Score Prediction

With Luzardo's swing-and-miss ability and Philadelphia's deeper offense working in the Phillies' favor, look for Philadelphia to avoid the sweep in a low-scoring finale.

  • Projected Final Score: Phillies 4, Mariners 2

How to Wager on Philadelphia vs Seattle

Bettors looking to wager on this Phillies vs Mariners finale can shop lines across multiple sportsbooks to find the best number on Philadelphia's moneyline or the Under 7 total. For additional tools and resources to help sharpen your betting approach, check out these AI picks, or dig into specific platform breakdowns like this Dimers review and this Oddible review for more ways to build out your betting strategy on this matchup and beyond.

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