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

Odds updated as of 6:11 a.m.

Saturday's slate in the MLB includes a matchup between the Seattle Mariners and the Texas Rangers.

We've got you covered, in terms of the most important info regarding this game before you take a look at the 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: (-190) | TEX: (+160)
• Spread: SEA: -1.5 (+112) | TEX: +1.5 (-134)
• 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 probable starters are Luis Castillo (8-6) for the Mariners and Merrill Kelly (9-6) for the Rangers. Castillo's team is 10-12-0 against the spread in his starts this season. Castillo's team has a record of 10-7 this season when he starts and they are the favorite on the moneyline. The Rangers have a 9-10-0 ATS record in Kelly's 19 starts with a set 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

• Seattle is the favorite, -190 on the moneyline, while Texas is a +160 underdog on the road.

Mariners vs Rangers Spread

• The Rangers are +1.5 on the run line against the Mariners. The Rangers are -134 to cover, and the Mariners are +112.

Mariners vs Rangers Over/Under

• Mariners versus Rangers, on Aug. 2, has an over/under of 7.5, 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 favorites in 73 games this season and have come away with the win 40 times (54.8%) in those contests.
• Seattle has a record of 3-2 when favored by -190 or more this year.
• The Mariners' games have gone over the total in 55 of their 108 opportunities.
• 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).
• Texas has played as a moneyline underdog of +160 or longer in just two games this season, which it lost both.
• In the 110 games oddsmakers have set an over/under for the Rangers, they have combined with opponents to go over the total 45 times (45-63-2).
• The Rangers have gone 60-50-0 against the spread this season.

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 all qualifying hitters in the majors, his batting average ranks 81st, his on-base percentage ranks 23rd, and he is second in slugging.
• Raleigh has recorded a base hit in two games in a row. During his last five outings he is batting .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.
• His batting average is 103rd among qualified players, his on-base percentage 97th, and his slugging percentage sixth.
• Suarez brings a four-game streak with at least one hit into this one. In his last five games he is hitting .222 with two doubles.
• Josh Naylor has 109 hits this season and has a slash line of .288/.356/.442.
• Naylor has logged a hit or more in two games in a row. In his last five games he is batting .222 with a double, a home run, two walks and two RBIs.
• Julio Rodriguez leads Seattle with a slugging percentage of .429, fueled by 40 extra-base hits.

Rangers Player Leaders

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

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)

Sign up for FanDuel Sportsbook and FanDuel Daily Fantasy today!