Mariners vs Rangers Prediction, Odds, Moneyline, Spread & Over/Under for Aug. 2

Odds updated as of 7:15 a.m.

The Saturday schedule in MLB includes a matchup between the Seattle Mariners and the Texas Rangers.

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

Mariners vs Rangers Game Info

• Seattle Mariners (59-52) vs. Texas Rangers (57-54)
• Date: Saturday, August 2, 2025
• Time: 4:10 p.m. ET
• Venue: T-Mobile Park -- Seattle, Washington
• Coverage: ROOT Sports NW and RSN

Mariners vs Rangers Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: SEA: (-122) | TEX: (+104)
• Spread: SEA: +1.5 (-210) | TEX: -1.5 (+172)
• Total: 7.5 -- Over: (-110) | Under: (-110)

Mariners vs Rangers Probable Starting Pitchers

Probable Pitchers: Luis Castillo (Mariners) - 8-6, 3.19 ERA vs Merrill Kelly (Rangers) - 9-6, 3.22 ERA

The Mariners will give the ball to Luis Castillo (8-6, 3.19 ERA), who is eyeing win No. 9 on the season, and the Rangers will counter with Merrill Kelly (9-6, 3.22 ERA). When Castillo starts, his team is 10-12-0 against the spread this season. When Castillo starts a game and his team is the favorite on the moneyline, they have a record of 10-7. When Kelly starts, the Rangers have gone 9-10-0 against the spread. The Rangers have a 2-5 record in Kelly's seven starts this season when they were the underdog on the moneyline.

Mariners vs Rangers Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (55%)

Mariners vs Rangers Moneyline

• Looking at the moneyline for Mariners-Rangers, Seattle is the favorite at -122, and Texas is +104 playing on the road.

Mariners vs Rangers Spread

• The Rangers are 1.5-run favorites against the spread for this matchup with the Mariners. The Rangers are +172 to cover, while the Mariners are -210 to cover as a 1.5-run underdog on the runline.

Mariners vs Rangers Over/Under

• An over/under of 7.5 has been set for Mariners-Rangers on Aug. 2, with the over being -110 and the under -110.

Bet on Seattle Mariners vs. Texas Rangers on FanDuel today!

Mariners vs Rangers Betting Trends

• The Mariners have been victorious in 40, or 54.8%, of the 73 contests they have been chosen as favorites in this season.
• This season Seattle has been victorious 33 times in 57 chances when named as a favorite of at least -122 on the moneyline.
• Contests with the Mariners have gone over the total set by sportsbooks in 55 of 108 chances this season.
• The Mariners are 46-62-0 against the spread in their 108 games that had a posted line this season.
• The Rangers have won 34.5% of the games this season they were the moneyline underdog (19-36).
• When it has played as a moneyline underdog with odds of +104 or longer, Texas has an 11-27 record (winning just 28.9% of its games).
• The Rangers have played in 110 games with a set over/under, and have combined with opponents to go over the total 45 times (45-63-2).
• The Rangers have collected a 60-50-0 record ATS this season (covering 54.5% of the time).

Mariners Player Leaders

• Cal Raleigh leads Seattle with 104 hits and an OBP of .365 this season. He has a .257 batting average and a slugging percentage of .609.
• Among qualified hitters in the majors, he is 81st in batting average, 23rd in on-base percentage, and second in slugging.
• Raleigh will look for his third straight game with a hit in this contest. In his last five games he is hitting .263 with a home run, a walk and two RBIs.
• Eugenio Suarez is hitting .248 with 20 doubles, 36 home runs and 29 walks, while slugging .572 with an on-base percentage of .319.
• Among qualified hitters, his batting average places him 103rd, his on-base percentage 97th, and his slugging percentage sixth.
• Suarez heads into this game looking to extend his four-game hit streak. During his last five outings he is batting .222 with two doubles.
• Josh Naylor is batting .288 with a .442 slugging percentage and 61 RBI this year.
• Naylor takes a two-game hitting streak into this game. In his last five games he is hitting .222 with a double, a home run, two walks and two RBIs.
• Julio Rodriguez leads Seattle in slugging percentage (.429) thanks to 40 extra-base hits.

Rangers Player Leaders

• Marcus Semien has 14 doubles, a triple, 13 home runs and 45 walks while hitting .232. He's slugging .367 with an on-base percentage of .310.
• Including all qualifying players in MLB, his batting average puts him 136th, his on-base percentage ranks 116th, and he is 136th in slugging.
• Semien takes a five-game hitting streak into this game. During his last five outings he is hitting .381 with three doubles, two walks and two RBIs.
• Josh Smith has a .350 OBP while slugging .411. Both pace his team. He has a batting average of .273.
• His batting average ranks 48th among all qualified players, his on-base percentage ranks 45th, and he is 95th in slugging.
• Corey Seager is hitting .266 with 15 doubles, 15 home runs and 46 walks.
• Adolis Garcia is batting .225 with 20 doubles, 15 home runs and 23 walks.

Mariners vs Rangers Head to Head

• 8/1/2025: 4-3 SEA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -190, Underdog Moneyline: +160)
• 7/31/2025: 6-0 SEA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -166, Underdog Moneyline: +140)
• 6/29/2025: 6-4 SEA (Favorite: Mariners, Spread: -1.5, Total: 8.5, Favorite Moneyline: -122, Underdog Moneyline: +104)
• 6/28/2025: 3-2 TEX (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -122, Underdog Moneyline: +104)
• 6/27/2025: 7-6 SEA (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 5/4/2025: 8-1 TEX (Favorite: Rangers, Spread: -1.5, Total: 8.5, Favorite Moneyline: -180, Underdog Moneyline: +152)
• 5/3/2025: 2-1 SEA (Favorite: Mariners, Spread: -1.5, Total: 9, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 5/2/2025: 13-1 SEA (Favorite: Mariners, Spread: -1.5, Total: 8.5, Favorite Moneyline: -134, Underdog Moneyline: +114)
• 4/13/2025: 3-1 SEA (Favorite: Mariners, Spread: -1.5, Total: 6.5, Favorite Moneyline: -144, Underdog Moneyline: +122)
• 4/12/2025: 9-2 SEA (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -144, Underdog Moneyline: +122)

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