Oakland Athletics (42-57) vs. Seattle Mariners (66-75) September 4, 2026 10:10 pm EDT The Line: Seattle Mariners -226 / Oakland Athletics 184; Over/Under: 7 (Get latest betting odds)
In this article, we will formulate an Athletics vs Mariners Prediction for this MLB matchup on Friday, September 4 th in the second game of this series. Let’s take a look at the prediction for this MLB matchup.
The Seattle Mariners have a 66-75 record this season and are sitting in the 3rd place of the AL West. They have a 37-32 home record and are coming off a 4-7 home loss against the Athletics. They will face the Rangers and the Athletics next.
The Seattle Mariners have a .229 batting average this season, .310 OBP, and .376 slugging percentage. Seattle’s pitching staff has a 4.20 ERA and 1.26 WHIP. Randy Arozarena is the Mariners’ best hitter with a .273 batting average, while leading the team in RBI with 66, adding a team-high 22 home runs.
Logan Gilbert (R) is the projected starting pitcher for the Mariners, with an 11-8 record, 3.42 ERA, and 1.04 WHIP.
The Athletics have a 55-86 record this season and are sitting in the 4th place of the AL West. They have a 30-42 road record and are coming off a 7-4 road win against the Mariners. They will face the Blue Jays and the Mariners next.
The Athletics have a .247 batting average this season, .321 OBP, and .404 slugging percentage. Oakland’s pitching staff has a 5.44 ERA and 1.50 WHIP. Jeff McNeil is the Athletics’ best hitter with a .270 batting average. Nick Kurtz leads the team in RBI with 69, while Shea Langeliers adds a team-high 23 home runs.
Kade Morris (R) is the projected starting pitcher for the Athletics, with a 0-1 record, 9.82 ERA, and 2.11 WHIP.
The Mariners are 4-1 in their last 5 meetings against the Athletics but are 1-3 in their last 4 meetings in Seattle.
In this Athletics vs Mariners Prediction, the Mariners are coming as -210 home favorites. Once again this total is too low for no reason. Kade Morris has been atrocious in limited action for the A’s and has given up 9 runs in 4 innings pitched on the road. Logan Gilbert has not been in good shape either, with 8 earned runs in his last three starts and has been weaker at home. On top of that, both teams have bottom-7 bullpen ERA’s and both offenses have been in good form, averaging 11.3 runs per game against righties in their last 5 games and are a perfect 9-0 to the over in their last 9 games combined. Take the over 7 in this one.