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Athletics vs Mariners Prediction 7-28-25 MLB Picks Today

Seattle Mariners (56-50) vs. Oakland Athletics (46-62)
July 28, 2025 10:05 pm EDT
The Line: Oakland Athletics 108 / Seattle Mariners -132; Over/Under: 10
(Get latest betting odds)

In this article, we will formulate an Athletics vs Mariners prediction for this MLB game on Monday, July 28, at Sutter Health Park in  Sacramento, California. Let’s take a look at the prediction for this MLB matchup.

Seattle Mariners Betting Preview

The Seattle Mariners (56-50, 28-26 Away) beat the Houston Astros, lost to the Milwaukee Brewers, and split a series with the Los Angeles Angels. The Mariners were close to clinching that series against the Angels, but lost Game 4 on Sunday, 4-1. Cal Raleigh hit a solo homer, which was the team’s lone run, while Logan Gilbert took the loss after allowing four runs on three hits with seven strikeouts and three walks in 5.0 innings.

This season, the Mariners average 4.60 runs per game (12th in the MLB) on a .247/.323/.412 triple-slash. When it comes to pitching, the Mariners’ staff has a 3.87 ERA (12th) and 1.26 WHIP (15th). Cal Raleigh leads the Mariners with a .257 batting average, 41 home runs, and 86 RBI this season.

Luis Castillo will take the mound for the Mariners on Monday. The 32-year-old right-hander has a 7-6 record in 21 starts this year with a 3.30 ERA and 1.24 WHIP in 120.0 innings.

Athletics Betting Preview

The Athletics (46-62, 20-31 Home) lost to the Cleveland Guardians, were swept by the Texas Rangers, and swept the Houston Astros in four games on the road. The A’s allowed only seven runs in those four wins. In last night’s 7-1 victory, Max Schuemann led the offense with two RBI, while J.T. Ginn got the win after allowing no runs on three hits with four strikeouts and no walks across 6.0 innings of work.

This year, the Athletics average 4.33 runs per game (15th in the MLB) on a .250/.316/.424 triple-slash. When it comes to pitching, the Athletics’ staff has a 5.14 ERA (28th) and 1.42 WHIP (28th). Tyler Soderstrom leads the Athletics with a .255 batting average, 19 home runs, and 60 RBI this season.

The projected starting pitcher for the Athletics is JP Sears, who is 7-8 in 21 starts this season, with a 4.98 ERA and 1.25 WHIP in 106.2 innings.

Why the Mariners will beat the Athletics

  • The Mariners have won each of their last five road games against AL West opponents following a loss.
  • The Athletics have lost five of their last six night games at Sutter Health Park following a win.
  • The Mariners have covered the run line in each of their last three games against American League opponents following a loss.
  • The Athletics have failed to cover the run line in three of their last four night games at Sutter Health Park following a win.
  • The Mariners have led after 3 innings in each of their last five Monday night games against the Athletics.

Total Runs Facts

  • Five of the Athletics’ last six home games against American League opponents have gone UNDER the total runs line.
  • Fifteen of the Mariners’ last 20 road games have gone OVER the total runs line.
  • The ‘Inning 1 UNDER 0.5 runs’ market has hit in seven of the Mariners’ last eight games as favorites against AL West opponents.
  • The ‘Inning 1 UNDER 0.5 runs’ market has hit in seven of the Athletics’ last eight games as home underdogs against American League opponents.

Matchup/League Facts

  • The Athletics rank 29th in the league for runs allowed this season (591).
  • The Athletics rank 3rd in the league for hits this season (924).
  • The Mariners rank T4th in the league for steals this season (99).
  • The Mariners are one of only four teams in the league to rank top 10 in both steals and home runs this season.

Athletics vs Mariners Prediction

The Mariners won seven of the previous ten H2H encounters, including three of the last four, while this season, Seattle leads the series 4-3. I am backing the M’s to win again, mostly because of the starting matchup. Luis Castillo hasn’t allowed more than three runs in his last five starts and registered a 2.28 ERA in July. JP Sears, on the other hand, surrendered ten runs in his previous three starts, and I am backing Seattle to score 3+ off of him early on. Back the Mariners.

Oliver Zivic's Free Pick: Mariners ML

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Oliver Zivic

Professional journalist and expert bettor with 20+ years of experience. I cover Football (soccer), NFL, NBA, NHL, MLB, CFB, and CBB.

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