Mariners vs Rangers Prediction, Odds, Moneyline, Spread & Over/Under for April 18

Odds updated as of 7:11 p.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 vital info about this game before you take a look at the MLB odds and spreads on FanDuel Sportsbook.

Mariners vs Rangers Game Info

• Seattle Mariners (8-13) vs. Texas Rangers (11-9)
• Date: Saturday, April 18, 2026
• Time: 7:15 p.m. ET
• Venue: T-Mobile Park -- Seattle, Washington
• Coverage: FOX

Mariners vs Rangers Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: SEA: (-132) | TEX: (+112)
• Spread: SEA: -1.5 (+168) | TEX: +1.5 (-205)
• Total: 6.5 -- Over: (-118) | Under: (-104)

Mariners vs Rangers Probable Starting Pitchers

Probable Pitchers: George Kirby (Mariners) - 2-2, 3.25 ERA vs Nathan Eovaldi (Rangers) - 2-2, 5.40 ERA

The Mariners will call on George Kirby (2-2) versus the Rangers and Nathan Eovaldi (2-2). When Kirby starts, his team is 2-2-0 against the spread this season. Kirby's team is 2-2 this season when he starts and they are the moneyline favorite. The Rangers have a 2-2-0 ATS record in Eovaldi's four starts with a set spread. The Rangers have a 1-2 record in Eovaldi's three 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 (54.5%)

Mariners vs Rangers Moneyline

• Texas is a +112 underdog on the moneyline, while Seattle is a -132 favorite at home.

Mariners vs Rangers Spread

• The Rangers are at +1.5 on the runline against the Mariners. The Rangers are -205 to cover the spread, and the Mariners are +168.

Mariners vs Rangers Over/Under

• The over/under for the Mariners versus Rangers contest on April 18 has been set at 6.5, with -118 odds on the over and -104 odds on the under.

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

Mariners vs Rangers Betting Trends

• The Mariners have come away with seven wins in the 17 contests they have been listed as the favorites in this season.
• This year Seattle has won seven of 12 games when listed as at least -132 on the moneyline.
• Contests with the Mariners have gone over the total set by oddsmakers in nine of 21 chances this season.
• The Mariners are 7-14-0 against the spread in their 21 games that had a posted line this season.
• The Rangers are 7-5 in games they were listed as the moneyline underdog (winning 58.3% of those games).
• Texas has a 2-3 record (winning 40% of its games) when it has played as a moneyline underdog of +112 or longer.
• The Rangers have played in 20 games with an over/under set, and have combined with their opponents to go over the total nine times (9-9-2).
• The Rangers have covered 65% of their games this season, going 13-7-0 against the spread.

Mariners Player Leaders

• Randy Arozarena leads Seattle in slugging percentage (.378) thanks to five extra-base hits. He has a .284 batting average and an on-base percentage of .404.
• Among the qualifying hitters in baseball, his batting average ranks 44th, his on-base percentage ranks 13th, and he is 101st in slugging.
• Brendan Donovan has 17 hits this season and a team-best OBP of .437. He's batting .304 and slugging .518.
• Among all qualified hitters, he ranks 25th in batting average, sixth in on-base percentage and 34th in slugging percentage.
• Cole Young is batting .225 with a .366 slugging percentage and nine RBI this year.
• Young has recorded a hit in two straight games. During his last five outings he is hitting .118 with three walks.
• Luke Raley has 20 hits, which leads Seattle hitters this season, while batting .317 with nine extra-base hits.

Rangers Player Leaders

• Brandon Nimmo has racked up 25 hits with a .396 on-base percentage and a .538 slugging percentage, all club-highs for the Rangers. He's batting .313.
• Including all qualifying hitters in MLB, his batting average puts him 19th, his on-base percentage ranks 22nd, and he is 24th in slugging.
• Corey Seager has three doubles, five home runs and 12 walks while hitting .221. He's slugging .485 with an on-base percentage of .337.
• He is currently 126th in batting average, 87th in on-base percentage and 51st in slugging percentage among all qualifying hitters.
• Jake Burger is batting .275 with four doubles, five home runs and two walks.
• Josh Jung is batting .290 with seven doubles, a home run and five walks.

Mariners vs Rangers Head to Head

• 4/17/2026: 5-0 TEX (Favorite: Mariners, Spread: -1.5, Total: 6.5, Favorite Moneyline: -132, Underdog Moneyline: +112)
• 4/8/2026: 3-0 TEX (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -118, Underdog Moneyline: +100)
• 4/7/2026: 3-2 TEX (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 4/6/2026: 2-1 TEX (Favorite: Rangers, Spread: -1.5, Total: 7.5, Favorite Moneyline: -118, Underdog Moneyline: +100)
• 8/3/2025: 5-4 SEA (Favorite: Rangers, Spread: -1.5, Total: 7.5, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 8/2/2025: 6-4 TEX (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 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)

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