Mariners vs Tigers Prediction, Odds, Moneyline, Spread & Over/Under for Aug. 4

Odds updated as of 9:11 p.m.

The Tuesday slate in MLB includes a matchup between the Seattle Mariners and the Detroit Tigers.

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

Mariners vs Tigers Game Info

• Seattle Mariners (55-58) vs. Detroit Tigers (54-58)
• Date: Tuesday, August 4, 2026
• Time: 9:40 p.m. ET
• Venue: T-Mobile Park -- Seattle, Washington
• Coverage: Mariners.TV and DSN

Mariners vs Tigers Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: SEA: (-120) | DET: (+110)
• Spread: SEA: +1.5 (-200) | DET: -1.5 (+164)
• Total: 7.5 -- Over: (-124) | Under: (+102)

Mariners vs Tigers Probable Starting Pitchers

Probable Pitchers: Emerson Hancock (Mariners) - 6-5, 3.26 ERA vs Troy Melton (Tigers) - 6-1, 1.75 ERA

The Mariners will call on Emerson Hancock (6-5) versus the Tigers and Troy Melton (6-1). When Hancock starts, his team is 7-13-0 against the spread this season. Hancock's team is 8-7 this season when he starts and they are the moneyline favorite. The Tigers have a 7-3-0 ATS record in Melton's 10 starts with a set spread. The Tigers were the moneyline underdog for three Melton starts this season -- they won each time.

Mariners vs Tigers Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (51.3%)

Mariners vs Tigers Moneyline

• Detroit is a +110 underdog on the moneyline, while Seattle is a -120 favorite at home.

Mariners vs Tigers Spread

• The Tigers are 1.5-run favorites against the spread for this matchup with the Mariners. The Tigers are +164 to cover, while the Mariners are -200 to cover as a 1.5-run underdog on the runline.

Mariners vs Tigers Over/Under

• Mariners versus Tigers on Aug. 4 has an over/under of 7.5 runs, with the odds on the over -124 and the under set at +102.

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Mariners vs Tigers Betting Trends

• The Mariners have been chosen as favorites in 93 games this year and have walked away with the win 48 times (51.6%) in those games.
• This season Seattle has come away with a win 44 times in 79 chances when named as a favorite of at least -120 on the moneyline.
• The Mariners and their opponents have gone over in 55 of their 112 games with a total set by sportsbooks this season.
• The Mariners are 39-73-0 against the spread in their 112 games with a line set by sportsbooks this season.
• The Tigers have gone 19-25 in games they were listed as the moneyline underdog (winning 43.2% of those games).
• In games it has played as a moneyline underdog with odds of +110 or longer, Detroit has a 7-10 record (winning 41.2% of its games).
• The Tigers have combined with opponents to hit the over on the total 48 times this season for a 48-60-2 record against the over/under.
• The Tigers are 57-53-0 ATS this season.

Mariners Player Leaders

• Randy Arozarena has 109 hits, which is tops among Seattle hitters this season, while batting .282 with 38 extra-base hits. He has an on-base percentage of .378 and a slugging percentage of .456.
• He ranks 28th in batting average, 14th in on-base percentage, and 46th in slugging among all qualifying hitters in MLB.
• Arozarena has hit safely in two straight games. In his last five games he is hitting .316 with two doubles, a home run, four walks and two RBIs.
• Cole Young has an OPS of .747, fueled by an OBP of .325 and a team-best slugging percentage of .421 this season. He's batting .269.
• Among qualifiers, he ranks 52nd in batting average, 86th in on-base percentage and 79th in slugging percentage.
• Young takes an eight-game streak with at least one hit into this contest. In his last 10 outings he is batting .429 with a double, two triples, a home run, two walks and three RBIs.
• Josh Naylor is batting .263 with a .360 slugging percentage and 40 RBI this year.
• Naylor brings a two-game hitting streak into this matchup. During his last five outings he is batting .316 with two doubles, two walks and three RBIs.
• Taylor Ward has 101 hits this season and a team-best OBP of .383.

Tigers Player Leaders

• Kevin McGonigle has put up a team-high OBP (.393) and slugging percentage (.431). He's batting .287.
• Including all the qualified hitters in the majors, his batting average is 17th, his on-base percentage is fifth, and he is 70th in slugging.
• Dillon Dingler has collected 105 hits to lead his team. He has a batting average of .270 while slugging .514 with an on-base percentage of .334.
• His batting average is 47th among all qualified players, his on-base percentage is 70th, and he is 15th in slugging.
• Riley Greene is batting .274 with 24 doubles, a triple, 15 home runs and 59 walks.
• Spencer Torkelson is batting .220 with 19 doubles, 20 home runs and 46 walks.

Mariners vs Tigers Head to Head

• 6/7/2026: 5-4 DET (Favorite: Tigers, Spread: -1.5, Total: 8.5, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 6/6/2026: 4-0 SEA (Favorite: Mariners, Spread: -1.5, Total: 9, Favorite Moneyline: -132, Underdog Moneyline: +112)
• 6/5/2026: 7-3 DET (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -124, Underdog Moneyline: +106)
• 10/10/2025: 3-2 SEA (Favorite: Tigers, Spread: -1.5, Total: 5.5, Favorite Moneyline: -118, Underdog Moneyline: -100)
• 10/8/2025: 9-3 DET (Favorite: Tigers, Spread: -1.5, Total: 8.5, Favorite Moneyline: -108, Underdog Moneyline: -108)
• 10/5/2025: 3-2 SEA (Favorite: Tigers, Spread: -1.5, Total: 5.5, Favorite Moneyline: -148, Underdog Moneyline: +126)
• 10/4/2025: 3-2 DET (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -190, Underdog Moneyline: +160)
• 7/13/2025: 8-4 SEA (Favorite: Tigers, Spread: -1.5, Total: 8, Favorite Moneyline: -108, Underdog Moneyline: -108)
• 7/11/2025: 12-3 SEA (Favorite: Tigers, Spread: -1.5, Total: 7, Favorite Moneyline: -290, Underdog Moneyline: +235)
• 4/2/2025: 3-2 SEA (Favorite: Tigers, Spread: -1.5, Total: 6.5, Favorite Moneyline: -124, Underdog Moneyline: +106)

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