Mariners vs. Rangers Prediction, Odds, Picks - April 12

Data Skrive

Randy Arozarena and the Seattle Mariners will play Adolis Garcia and the Texas Rangers on Saturday at T-Mobile Park, at 9:40 p.m. ET. The favored Mariners have -145 moneyline odds against the underdog Rangers, who are listed at +121. Seattle is a 1.5-run favorite (at +155 odds). The contest’s over/under is set at 7 runs.

Here is everything you need to know from a betting perspective on the Mariners-Rangers game, regarding the run line, moneyline and total, plus expert picks.

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Mariners vs. Rangers Game Information & Odds

When: Saturday, April 12, 2025 at 9:40 p.m. ET
Where: T-Mobile Park in Seattle, Washington
How to watch on TV: ROOT Sports NW and RSN

Favorite Favorite Moneyline Underdog Moneyline Total Over Total Odds Under Total Odds Run Line Favorite Run Line Odds Underdog Run Line Odds Mariners -145 +121 7 -109 -111 -1.5 +155 -188

Mariners vs. Rangers Prediction

Score Prediction: Rangers 4, Mariners 3
Total Prediction: Under 7 runs
Win Probabilities: Mariners 52%, Rangers 48%

Mariners vs. Rangers Betting Insights

The Mariners have entered the game as favorites eight times this season and won three of those games.
Seattle has a record of 3-2 in games when oddsmakers favor them by at least -145 on the moneyline.
The bookmakers’ moneyline implies a 59.2% chance of a victory for the Mariners.
The Rangers have been victorious in four of the seven contests they have been chosen as underdogs in this season.
Texas has been listed as an underdog of +121 or more on two occasions this season and split those games.
The Rangers have an implied victory probability of 45.2% according to the moneyline set for this matchup.

Mariners Recent Betting Performance

The Mariners went 2-3 over the five games they were favored on the moneyline in their last 10 matchups.
In their last 10 matchups (all had set totals), the Mariners combined with their opponents to hit the over on the run total four times.
The Mariners have a 3-7-0 record against the spread over their past 10 games.

Mariners Recent Stats

Stat Avg/Total Record 4-6 Runs Per Game 3.8 HR 12 ERA 3.90 K/9 8.5

Mariners Player Insights

Julio Rodriguez’s three homers in 2025 are the most on the Mariners. He’s also driven in seven runs while hitting .184.
Of all batters in baseball, Rodriguez’s home run total ranks him 28th, and his RBI tally ranks him 59th.
Arozarena has put his power on display as he paces his team with three home runs.
Arozarena is 28th in homers and 32nd in RBI on the year.
Arozarena carries a four-game streak with at least one hit into this matchup. In his last five games he is hitting .263 with two doubles, a home run, four walks and six RBI.
Jorge Polanco has collected a team-best 10 runs batted in.
Dylan Moore is batting .286 with two home runs and four walks.

Rangers Recent Betting Performance

In five games over the last 10 matchups when set as underdogs by bookmakers, the Rangers had a record of 3-2.
In their last 10 games with a total, the Rangers and their opponents have combined to hit the over five times.
The Rangers have won five of their last 10 games against the spread.