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MLB Prop Bets: Seattle Mariners vs Texas Rangers (April 17, 2026)

The Texas Rangers (10-9) face the Seattle Mariners (8-12) at T-Mobile Park on Friday at 9:40pm (ET). Let's take a look at the MLB Prop Bets for the matchup. Jacob deGrom is the probable pitcher for the Rangers, while Logan Gilbert is the probable pitcher for the Mariners. The Mariners are favored to win at -131, while the Rangers are at +109. The total runs line is set at 6.5, with OVER at -112 and UNDER at -108.

  • The Rangers (-219) have an 11-8 Run Line record this season, while the Mariners (+179) hold a record of 9-11.
  • The Rangers have a 9-9-1 O/U record this season (meaning nine games have gone over the total runs line, nine have gone under and one has resulted in a push). The Mariners have a 9-11-0 O/U record.

Scoring Insights

  • The Rangers are averaging 4.3 runs per game this season (17th in the league). Comparatively, the Mariners are averaging 3.9 (24th).
  • In the field, the Rangers are allowing only 3.7 runs per game this season (4th in the league), while the Mariners are allowing an average of 3.7 runs (5th).

Let's take a look at how these teams perform in some other key statistical areas.

Batting Insights:

Batting Average

  • Looking at their batting averages this season, the Rangers are at .231 (ranking 20th in the Major leagues), while the Mariners are batting .209 (28th).

Home Runs

  • In terms of total home runs this season, the Mariners have hit 17 (T17th in the Major Leagues). Meanwhile, the Rangers have managed 22 (6th).

Runs Batted In

  • Finally, looking at their runs batted in, the Rangers have recorded 77 RBIs to rank T18th in the MLB this season. Comparatively, the Mariners have recorded 75 RBIs to rank 20th.

Pitching Insights:

Earned Run Average

  • The Mariners have an earned run average of 3.20 this season (3rd in the Majors), while The Rangers have an ERA of 3.56 (6th).

Strikeouts

  • Turning our attention to total strikeouts, the Rangers have recorded 179 this season, ranking T7th in the MLB. Meanwhile, the Mariners rank T13th for total strikeouts, recording 165.

Opponent Batting Average

  • Opponents are batting an average of .238 against the Mariners this season (18th in the Major Leagues). Comparatively, the Rangers' opponents are at .232 (11th).

First Innings Moneyline

  • Here are their first innings moneyline records in 2026.
    Total Home Road Favorite Underdog Neutral Last 10
    Rangers 3-6-10 0-2-4 3-4-6 2-1-5 1-5-5 0-0-0 2-4-4
    Mariners 5-5-10 4-3-4 1-2-6 5-4-7 0-1-3 0-0-0 5-0-5

Lead After Three Innings

  • Here are their records after the first three innings in 2026.
    Total Home Road Favorite Underdog Neutral Last 10
    Rangers 8-6-5 0-2-4 8-4-1 3-2-3 5-4-2 0-0-0 4-3-3
    Mariners 7-7-6 5-4-2 2-3-4 5-6-5 2-1-1 0-0-0 4-3-3

NRFI/YRFI

  • The NRFI is 8-11 in Rangers games this season. The Mariners have an 8-12 NRFI record.

Last Time They Met

The Rangers recorded a 3-0 victory over the Mariners at Globe Life Field when these teams last met on April 8. Brandon Nimmo led the way to that victory, hitting a home run. The Rangers have now won three straight against the Mariners.