Jul 29, 2025; West Sacramento, California, USA; Athletics first baseman Nick Kurtz (16) catches the ball for a force out against the Seattle Mariners during the ninth inning at Sutter Health Park. Mandatory Credit: Dennis Lee-Imagn Images

Oakland Athletics vs Seattle Mariners Prediction 07/30/2025 Picks

Pick details

Seattle (57-51) vs Oakland (47-63)

July 30, 2025 at 10:05 PM EDT

The Line: Betting Odds: Oakland +130 / Seattle -144 — Over/Under: +9.5

(Get latest betting odds)

In this article, we will formulate a Seattle Mariners vs Athletics Prediction for this MLB game on Wednesday, July 30th at the Sutter Health Park in the third game of this series, with both teams being tied 1-1 wins. Let’s take a look at the prediction for this MLB matchup.

Athletics Preview

The Athletics have a 47-63 record this season and are sitting on the last place of the AL West. The Athletics have a 21-32 home record and are 57-48 in over/under. They are coming off a 6-1 home victory over the Mariners, and are 5-1 in their last 6 games. Under is 6-1 in their last 7 games and are playing the Diamondbacks and the Nationals next.

The Athletics have a .250 batting average this season, .316 OBP and .425 Slugging percentage. Athletics’ pitching staff has a 5.04 ERA and 1.41 WHIP. Brent Rooker leads the Athleticswith 116 hits, also adding a team-high 61 RBI. Jacob Wilson is the team’s best hitter with a .312 batting average, while Nick Kurtlz adds a team-high 23 home runs. 

Jeffrey Springs (L) is the projected starter for the Athletics, and he has a 9-7 record, 4.13 ERA and 1.20 WHIP.

Seattle Mariners Preview

The Seattle Mariners have a 57-51 record this season and are sitting on the second place of the AL West. The Mariners have a 29-27 road record and are 58-45 in over/under. They are coming off a 1-6 road defeat by the Athletics, and have been alternating wins and losses for their last 9 games. Under is 7-2 in their last 9 games and they are playing the White Sox and the Rangers next.

The Mariners have a .245 batting average this season, .321 OBP and .409 Slugging percentage. Seattle’s pitching staff has a 3.87 ERA and 1.26 WHIP. Julio Rodriguez leads the Mariners in hits with 113, while JP Crawford is the team’s best hitter with a .265 batting average. Cal Raleigh leads the team both in RBI with 87, and in home runs with 41.

Bryan Woo (R) is the projected starting pitcher for the Mariners, and he has an 8-5 record, 2.91 ERA and 0.95 WHIP.

Why the Athletics will win

  • The Athletics have won five of their last six games as underdogs.
  • The Mariners have lost six of their last nine games as favorites.
  • The underdogs have covered the run line in seven of the last eight games between the Mariners and Athletics.
  • The Mariners have failed to cover the run line in each of their last six Wednesday games.
  • The Athletics have led after 3 innings in five of their last six games against American League opponents that held a winning record.
  • The Athletics have led after 5 innings in five of their last six games against American League opponents that held a winning record.

Why the Seattle Mariners will win

  • The Mariners have won each of their last six games against AL West opponents following a loss.
  • The Athletics have lost eight of their last nine night games following a home win.
  • The Athletics have failed to cover the run line in each of their last four night games against AL West opponents following a home win.
  • The Mariners have covered the run line in each of their last four games against American League opponents following a loss.
  • The Athletics have trailed after 5 innings in seven of their last eight Wednesday night home games.

Total Runs Facts

  • Seven of the Athletics’ last eight home games against American League opponents have gone UNDER the total runs line.
  • Six of the Mariners’ last seven night games after playing the previous day have gone UNDER the total runs line.
  • The ‘Inning 1 UNDER 0.5 runs’ market has hit in each of the Athletics’ last seven home games against American League opponents.
  • The ‘Inning 1 UNDER 0.5 runs’ market has hit in 10 of the Mariners’ last 11 games as favorites.

Matchup/League Facts

  • The Athletics rank 30th in the league for home runs allowed this season (158).
  • The Athletics rank 29th in the league for hits allowed this season (984).
  • The Mariners rank 30th in the league for doubles this season (148).
  • The Mariners rank 29th in the league for triples this season (5).

Seattle Mariners vs Athletics Prediction

The Mariners are 3-1 in their last 4 overall meetings against the Athletics, and are 5-4 in their 9 meetings this season. They are 3-2 in their last four road meetings against the A’s, and under is 6-2-1 in their last 9 meetings.

In this Seattle Mariners vs Athletics Prediction, the Mariners are coming as -152 road favorites. The Mariners are rightfully favored, as they have a better overall record, and are facing a Athletics team that has been weaker at home. Woo has been excellent for the Mariners this season, but they are struggling against left-handed pitching. Both teams average 8.9 runs per game combined this season, and just 8.6 against the opposing starter throwing hand. They both are 13-3 to the under in their last 16 games combined, and under is 7-2 in their 9 meetings this season. The total is set too high, so give me the under 9.5 in this one.

Nikos Lagouretos's Pick: Under 9.5

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