Athletics vs Mariners Prediction, Odds, Moneyline, Spread & Over/Under for May 27

Odds updated as of 10:12 a.m.

The Seattle Mariners will face the Athletics in MLB action on Wednesday.

Here's what you need to know before checking out today's MLB odds and spreads on FanDuel Sportsbook.

Mariners vs Athletics Game Info

• Seattle Mariners (27-29) vs. Athletics (27-28)
• Date: Wednesday, May 27, 2026
• Time: 3:05 p.m. ET
• Venue: Sutter Health Park -- West Sacramento, California
• Coverage: NBCS-CA and Mariners.TV

Mariners vs Athletics Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: SEA: (-132) | OAK: (+112)
• Spread: SEA: -1.5 (+126) | OAK: +1.5 (-152)
• Total: 9 -- Over: (-115) | Under: (-105)

Mariners vs Athletics Probable Starting Pitchers

Probable Pitchers: Logan Gilbert (Mariners) - 2-4, 4.04 ERA vs Jeffrey Springs (Athletics) - 3-5, 4.11 ERA

The Mariners will give the ball to Logan Gilbert (2-4, 4.04 ERA), who is eyeing win No. 3 on the season, and the Athletics will turn to Jeffrey Springs (3-5, 4.11 ERA). Gilbert and his team are 3-8-0 ATS this season when he starts. Gilbert's team is 5-4 this season when he starts and they are the moneyline favorite. When Springs starts, the Athletics are 6-5-0 against the spread. The Athletics have been the moneyline underdog in six of Springs' starts this season, and they went 2-4 in those matchups.

Mariners vs Athletics Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (52.3%)

Mariners vs Athletics Moneyline

• The Mariners vs Athletics moneyline has the Mariners as a -132 favorite, while the Athletics are a +112 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

• An over/under of 9 has been set for Mariners-Athletics on May 27, with the over being -115 and the under -105.

Bet on Seattle Mariners vs. Athletics on FanDuel today!

Mariners vs Athletics Betting Trends

• The Mariners have been favorites in 51 games this season and have come away with the win 25 times (49%) in those contests.
• This season, the Mariners have come away with a win 21 times in 38 chances when named as a favorite of at least -132 or shorter on the moneyline.
• The Mariners and their opponents have hit the over in 25 of their 56 games with a total this season.
• The Mariners have an against the spread mark of 21-35-0 in 56 games with a line this season.
• The Athletics are 19-16 in games they were listed as the moneyline underdog (winning 54.3% of those games).
• When they have played as a moneyline underdog with odds of +112 or longer, the Athletics have a record of 11-8 (57.9%).
• The Athletics have combined with their opponents to hit the over on the total 25 times this season for a 25-29-1 record against the over/under.
• The Athletics have covered 49.1% of their games this season, going 27-28-0 against the spread.

Mariners Player Leaders

• Randy Arozarena has 60 hits and an OBP of .386 to go with a slugging percentage of .470. All three of those stats lead Seattle hitters this season. He has a .297 batting average, as well.
• Among qualified hitters in MLB, his batting average ranks 21st, his on-base percentage ranks 16th, and he is 40th in slugging.
• Arozarena has hit safely in three games in a row. In his last five games he is hitting .250 with two doubles, a home run, two walks and four RBIs.
• Julio Rodriguez is batting .259 with 11 doubles, nine home runs and 18 walks, while slugging .429 with an on-base percentage of .320.
• His batting average ranks 69th among qualified players, his on-base percentage 99th, and his slugging percentage 68th.
• Rodriguez has picked up a hit in three straight games. During his last five outings he is hitting .286 with a double, a home run, a walk and three RBIs.
• Josh Naylor has collected 52 base hits, an OBP of .320 and a slugging percentage of .353 this season.
• Naylor heads into this game with three games in a row with at least one hit. In his last five games he is hitting .250 with a walk and two RBIs.
• J.P. Crawford is batting .200 with a .332 OBP and 19 RBI for Seattle this season.
• Crawford has hit safely in three games in a row. In his last five games he is batting .136 with a home run and three RBIs.

Athletics Player Leaders

• Shea Langeliers has accumulated a team-high slugging percentage (.549) and leads the Athletics in hits (61). He's batting .299 and with an on-base percentage of .371.
• Including all the qualified hitters in the majors, he is 15th in batting average, 29th in on-base percentage and 12th in slugging percentage.
• Nick Kurtz's .437 on-base percentage leads his team. He has a batting average of .280 while slugging .472.
• Including all qualified players, he is 40th in batting average, first in on-base percentage and 37th in slugging percentage.
• Tyler Soderstrom is hitting .207 with 15 doubles, two triples, six home runs and 22 walks.
• Carlos Cortes has eight doubles, a triple, five home runs and 18 walks while batting .336.

Mariners vs Athletics Head to Head

• 5/26/2026: 4-1 SEA (Favorite: Athletics, Spread: -1.5, Total: 9.5, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 5/25/2026: 9-2 SEA (Favorite: Mariners, Spread: -1.5, Total: 10.5, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 4/22/2026: 5-4 SEA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -190, Underdog Moneyline: +160)
• 4/21/2026: 5-2 OAK (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -166, Underdog Moneyline: +140)
• 4/20/2026: 6-4 OAK (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 8/24/2025: 11-4 SEA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -180, Underdog Moneyline: +152)
• 8/23/2025: 2-1 OAK (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -172, Underdog Moneyline: +144)
• 8/22/2025: 3-2 SEA (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -215, Underdog Moneyline: +180)
• 7/30/2025: 5-4 OAK (Favorite: Mariners, Spread: -1.5, Total: 9.5, Favorite Moneyline: -154, Underdog Moneyline: +130)
• 7/29/2025: 6-1 OAK (Favorite: Mariners, Spread: -1.5, Total: 10.5, Favorite Moneyline: -110, Underdog Moneyline: -106)

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