Mariners vs Athletics Prediction, Odds, Moneyline, Spread & Over/Under for July 28

Odds updated as of 10:11 a.m.

The Seattle Mariners will take on the Athletics in MLB action on Monday.

All the information you need to make smart bets on this game at FanDuel Sportsbook can be found below. Check out all of the latest MLB betting lines here.

Mariners vs Athletics Game Info

• Seattle Mariners (56-50) vs. Athletics (46-62)
• Date: Monday, July 28, 2025
• Time: 10:05 p.m. ET
• Venue: Sutter Health Park -- West Sacramento, California
• Coverage: NBCS-CA and ROOT Sports NW

Mariners vs Athletics Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: SEA: (-120) | OAK: (+102)
• Spread: SEA: -1.5 (+126) | OAK: +1.5 (-152)
• Total: 10 -- Over: (-110) | Under: (-110)

Mariners vs Athletics Probable Starting Pitchers

Probable Pitchers: Luis Castillo (Mariners) - 7-6, 3.30 ERA vs JP Sears (Athletics) - 7-8, 4.98 ERA

The Mariners will give the ball to Luis Castillo (7-6, 3.30 ERA), who is eyeing win No. 8 on the season, and the Athletics will counter with JP Sears (7-8, 4.98 ERA). When Castillo starts, his team is 9-12-0 against the spread this season. Castillo's team is 9-7 this season when he starts and they are the moneyline favorite. The Athletics have gone 12-9-0 ATS in Sears' 21 starts that had a set spread. The Athletics have been the underdog on the moneyline in 15 of Sears' starts this season, and they went 5-10 in those matchups.

Mariners vs Athletics Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (55.8%)

Mariners vs Athletics Moneyline

• The Mariners vs Athletics moneyline has the Mariners as a -120 favorite, while the Athletics are a +102 underdog at home.

Mariners vs Athletics Spread

• The Mariners are 1.5-run favorites on the runline against the Athletics. The Mariners are +126 to cover, while the Athletics are -152 to cover.

Mariners vs Athletics Over/Under

• The over/under for the Mariners versus Athletics contest on July 28 has been set at 10, with -110 odds on the over and -110 odds on the under.

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Mariners vs Athletics Betting Trends

• The Mariners have been favorites in 68 games this season and have come away with the win 37 times (54.4%) in those contests.
• This year, the Mariners have won 32 of 59 games when listed as at least -120 or better on the moneyline.
• The Mariners and their opponents have hit the over in 55 of their 103 games with a total this season.
• The Mariners are 44-59-0 against the spread in their 103 games that had a posted line this season.
• The Athletics have won 40% of the games this season they were the underdog on the moneyline (34-51).
• When playing as a moneyline underdog with odds of +102 or longer, the Athletics have gone 30-46 (39.5%).
• The Athletics have played in 107 games with an over/under set, and have combined with their opponents to go over the total 55 times (55-46-6).
• The Athletics have put together a 55-52-0 record against the spread this season.

Mariners Player Leaders

• Cal Raleigh has 99 hits and an OBP of .368, both of which rank first among Seattle hitters this season. He has a .257 batting average and a slugging percentage of .618.
• He is 82nd in batting average, 21st in on-base percentage, and third in slugging among qualifying hitters in MLB.
• Raleigh hopes to build on a seven-game hitting streak in this matchup. In his last 10 games he is hitting .225 with three home runs, five walks and four RBIs.
• Josh Naylor is hitting .292 with 19 doubles, a triple, 11 home runs and 38 walks. He's slugging .442 with an on-base percentage of .359.
• Among qualified hitters, his batting average ranks him 16th, his on-base percentage 32nd, and his slugging percentage 66th.
• Naylor has picked up at least one hit in seven games in a row. During his last 10 outings he is hitting .263 with a double, three walks and an RBI.
• Julio Rodriguez leads Seattle in slugging percentage (.432) powered by 38 extra-base hits.
• Randy Arozarena has been key for Seattle with 95 hits, an OBP of .352 plus a slugging percentage of .468.

Athletics Player Leaders

• Brent Rooker has collected 114 hits, a team-high for the Athletics. He's batting .272 and slugging .494 with an on-base percentage of .348.
• Including all qualified hitters in MLB, his batting average puts him 50th, his on-base percentage is 48th, and he is 23rd in slugging.
• Jacob Wilson has a .354 on-base percentage while slugging .439. Both are team-highs. He has a batting average of .312.
• He ranks fourth in batting average, 38th in on-base percentage and 68th in slugging percentage in the big leagues.
• Tyler Soderstrom has 17 doubles, a triple, 19 home runs and 39 walks while hitting .255.
• Nick Kurtz has 18 doubles, two triples, 23 home runs and 29 walks while batting .309.

Mariners vs Athletics Head to Head

• 5/7/2025: 6-5 SEA (Favorite: Mariners, Spread: -1.5, Total: 9.5, Favorite Moneyline: -138, Underdog Moneyline: +118)
• 5/6/2025: 5-3 SEA (Favorite: Athletics, Spread: -1.5, Total: 10, Favorite Moneyline: -120, Underdog Moneyline: +102)
• 5/5/2025: 7-6 OAK (Favorite: Mariners, Spread: -1.5, Total: 9, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 3/30/2025: 2-1 SEA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -180, Underdog Moneyline: +152)
• 3/29/2025: 4-2 OAK (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -166, Underdog Moneyline: +140)
• 3/28/2025: 7-0 OAK (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -134, Underdog Moneyline: +114)
• 3/27/2025: 4-2 SEA (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -168, Underdog Moneyline: +142)
• 9/29/2024: 6-4 SEA (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -188, Underdog Moneyline: +158)
• 9/28/2024: 7-6 SEA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -138, Underdog Moneyline: +118)
• 9/27/2024: 2-0 SEA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -172, Underdog Moneyline: +144)

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