Seattle Mariners vs Athletics Picks and Predictions for Saturday, September 12th, 2026

By: Cameron Ross Published 09/12/2026, 12:20 AM ET

Seattle Mariners vs Athletics Game Information

The Seattle Mariners stay on the road Saturday night with a 9:40 PM matchup in Sacramento against the Athletics. Seattle is well below .500 coming into Saturday as a middle-of-the-pack team in the American League West. The Athletics stay home Saturday, nearly 30 games below .500 and currently one of the worst teams in the entire American League. Stay in the news with our MLB Picks.

Seattle Mariners Preview

The Seattle offense has been shaky this season, posting a .229 batting average and scoring 581 runs on 1112 hits. Seattle has a .309 OBP and a .373 team slugging percentage, but its pitching has been terrible, with a 4.21 team ERA. Randy Arozarena does everything for Seattle this season, leading the team with a .272 batting average, 22 home runs, and 67 RBIs.

Athletics Preview

The Athletics have a .245 batting average this season, scoring 641 runs on 1222 hits. The Athletics have a .318 OBP and a .403 team slugging percentage. The Athletics' pitching has been their biggest issue this year, with a 5.35 team ERA. Jeff McNeil leads the Athletics with a .268 batting average. Shea Langeliers leads the team with 23 home runs, and Nick Kurtz has a .256 batting average along with a team-high 69 RBIs this year.

Seattle Mariners vs Athletics Pitching Matchup

Bryan Woo will take the mound Saturday for Seattle. Woo is 11-9 with a 4.03 ERA across 156.1 innings. Gage Jump will counter for the Athletics. Jump enters at 6-10 with a 5.12 ERA and a 1.49 WHIP through 96.2 innings.

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Seattle Mariners vs Athletics Pick

Seattle has the clear advantage on the mound with Woo facing an Athletics team near the bottom of the American League standings. Jump has struggled throughout the season, and his high WHIP should create plenty of scoring opportunities for the Mariners. Look for Seattle to jump out to an early lead and protect it with its pitching staff for a road win Saturday.

  • Pick: Seattle Mariners -163
  • Secondary: Under 9.5
  • Lean: Randy Arozarena Over 1.5 Bases

Final Score Prediction: Seattle Mariners win 6-2.

Game Written Before completion of the game on Friday.

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