Mariners vs Rangers Prediction, Odds, Moneyline, Spread & Over/Under for April 12

Odds updated as of 9:12 p.m.

The Seattle Mariners versus the Texas Rangers is on the MLB schedule for Saturday.

We've got you covered, in terms of the most important information about this matchup before you take a look at the MLB odds and spreads on FanDuel Sportsbook.

Mariners vs Rangers Game Info

• Seattle Mariners (6-8) vs. Texas Rangers (9-5)
• Date: Saturday, April 12, 2025
• Time: 9:40 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: (-144) | TEX: (+122)
• Spread: SEA: -1.5 (+146) | TEX: +1.5 (-178)
• Total: 7 -- Over: (-104) | Under: (-118)

Mariners vs Rangers Probable Starting Pitchers

Probable Pitchers: Bryan Woo (Mariners) - 1-0, 3.75 ERA vs Kumar Rocker (Rangers) - 0-1, 7.88 ERA

The probable starters are Bryan Woo (1-0) for the Mariners and Kumar Rocker (0-1) for the Rangers. Woo has a record of 0-2-0 ATS in two starts with a spread this season. Woo's team won his only start as a favorite this season. Rocker has started two games with set spreads, and the Rangers went 1-1-0. The Rangers were named the moneyline underdog for one Rocker start this season -- they won.

Mariners vs Rangers Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (62.6%)

Mariners vs Rangers Moneyline

• Seattle is the favorite, -144 on the moneyline, while Texas is a +122 underdog on the road.

Mariners vs Rangers Spread

• The Rangers are at the Mariners, and are +1.5 on the runline. The Rangers are +146 to cover the spread, and the Mariners are -178.

Mariners vs Rangers Over/Under

• The over/under for the Mariners versus Rangers game on April 12 has been set at 7, with -104 odds on the over and -118 odds on the under.

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

Mariners vs Rangers Betting Trends

• The Mariners have won in three of the eight contests they have been named as odds-on favorites in this year.
• This season Seattle has come away with a win three times in five chances when named as a favorite of at least -144 on the moneyline.
• Contests with the Mariners have gone over the total set by bookmakers in five of 14 chances this season.
• The Mariners are 5-9-0 against the spread in their 14 games that had a posted line this season.
• The Rangers have won four of the seven games they were listed as the moneyline underdog this season (57.1%).
• Texas has played as a moneyline underdog of +122 or longer in just two games this season, which it split 1-1.
• The Rangers have combined with opponents to hit the over on the total six times this season for a 6-8-0 record against the over/under.
• The Rangers have covered 50% of their games this season, going 7-7-0 against the spread.

Mariners Player Leaders

• Jorge Polanco leads Seattle in slugging percentage (.710) thanks to three extra-base hits. He has a .419 batting average and an on-base percentage of .438.
• Randy Arozarena leads Seattle in total hits (nine) this season while batting .180 with seven extra-base hits. He's slugging .440 with an on-base percentage of .328.
• He ranks 152nd in batting average, 84th in on-base percentage and 68th in slugging in the majors.
• Julio Rodriguez is batting .170 with a .396 slugging percentage and seven RBI this year.
• Cal Raleigh has three home runs, five RBI and a batting average of .189 this season.

Rangers Player Leaders

• Adolis Garcia is hitting .205 with four doubles, two home runs and four walks. He's slugging .432 with an on-base percentage of .314.
• Including all qualified hitters, he ranks 131st in batting average, while his on-base percentage ranks 97th and he is 77th in slugging.
• Garcia hopes to build on a four-game hitting streak in this matchup. In his last five games he is batting .235 with a double, a walk and an RBI.
• Jonah Heim's .576 slugging percentage leads his team. He has a batting average of .303 with an on-base percentage of .303.
• Josh Smith has racked up a team-best .533 slugging percentage.
• Josh Jung has two doubles, a triple and a home run while hitting .474.

Mariners vs Rangers Head to Head

• 4/11/2025: 5-3 SEA (Favorite: Rangers, Spread: -1.5, Total: 6.5, Favorite Moneyline: -124, Underdog Moneyline: +106)
• 9/22/2024: 6-5 TEX (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 9/21/2024: 8-4 SEA (Favorite: Mariners, Spread: -1.5, Total: 9, Favorite Moneyline: -110, Underdog Moneyline: -106)
• 9/20/2024: 8-2 SEA (Favorite: Rangers, Spread: -1.5, Total: 7, Favorite Moneyline: -124, Underdog Moneyline: +106)
• 9/15/2024: 7-0 SEA (Favorite: Mariners, Spread: -1.5, Total: 6.5, Favorite Moneyline: -162, Underdog Moneyline: +136)
• 9/14/2024: 5-4 SEA (Favorite: Mariners, Spread: -1.5, Total: 6.5, Favorite Moneyline: -166, Underdog Moneyline: +140)
• 9/13/2024: 5-4 SEA (Favorite: Rangers, Spread: -1.5, Total: 7, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 9/12/2024: 5-4 TEX (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 6/16/2024: 5-0 SEA (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -144, Underdog Moneyline: +122)
• 6/15/2024: 7-5 SEA (Favorite: Mariners, Spread: -1.5, Total: 6.5, Favorite Moneyline: -124, Underdog Moneyline: +106)

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