Seattle Mariners struggle through August with negative run differential

Yahoo Sports1 min read • Latest: Sep 1, 2026, 3:15 PM

Last updated Sep 1, 2026

Seattle Mariners struggle through August with negative run differential
Summary

The Seattle Mariners concluded August with a 64-74 overall record and a -74 run differential. This performance marks the team’s worst monthly run differential since August 1977. Statistically, the club faced challenges across the board, with the bullpen recording a 30th-ranked FIP- of 138 and the rotation ERA- sitting at 124. Cal Raleigh led the team with 1.1 fWAR, while Lazaro Montes provided a bright spot in the minor leagues with 10 home runs and a 154 wRC+. The team currently sits in third place in the AL West, trailing the division lead by six games. With just over a month remaining in the season, the Mariners remain 5.5 games behind the final wild card position.

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Key Details
  • The Mariners hold a 64-74 record and currently sit in third place in the AL West.
  • The team’s -74 run differential in August is the worst since August 1977.
  • Cal Raleigh led the team with 1.1 fWAR throughout the month.
  • The bullpen finished August ranked 30th in both ERA- and FIP-.
  • Lazaro Montes recorded 10 home runs and a 154 wRC+ in the minors.
Latest Updates
  • 3:15 PMYahoo SportsThe Mariners’ August, by the numbers
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