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Home/MLB/Philadelphia Phillies @ Seattle Mariners
MLB · 2026-08-25

Philadelphia Phillies vs Seattle Mariners

T-Mobile Park

Philadelphia Phillies
73-59
VS
Seattle Mariners
63-69
51%
Philadelphia Phillies win probability · +100
Tale of the tape
51%Win probability49%
0.553Win %0.477
+20Run differential-54
Toss-up+100 · FanDuel
Philadelphia Phillies to win
Model (51%) and the market (50%) agree here — a fairly priced side, not a value spot.

The model lands on Philadelphia Phillies here, giving them a 51% chance to come out on top against Seattle Mariners. Essentially a coin flip at 51% — entertainment only, not a spot to press. Pitching matchup: George Kirby (4.18 ERA) vs Aaron Nola (5.12 ERA).

Why we lean this way

  • Form & record: Seattle Mariners sit 63-69 (0.477), Philadelphia Phillies 73-59 (0.553).
  • Last 10: Seattle Mariners 6-4 (W1), Philadelphia Phillies 9-1 (L1). Hot streaks move these lines fast.
  • Run differential: Seattle Mariners -54, Philadelphia Phillies +20 on the year — the most honest measure of how good a team actually is, beyond their record.
  • On the mound: Seattle Mariners hand the ball to George Kirby; Philadelphia Phillies counter with Aaron Nola. Starting pitching swings a baseball game more than any other factor.
  • Home field: worth about +3.5% to Seattle Mariners in our model.

The verdict

The play we like: Philadelphia Phillies. It is a near coin-flip at 51% — good value, not a lock. Bet what is fun to lose.

Logged to our public track record and graded after the final. We analyze; we never take wagers. 21+.

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