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Game-Day Update Lineups: Projected Odds Posted 6 min read

Texas Rangers vs Seattle Mariners Preview

Texas Rangers visit Seattle Mariners at T-Mobile Park. Jacob deGrom opposes Logan Gilbert in 9:40 PM ET matchup with 5.3-run projected total

Texas Rangers at Seattle Mariners MLB game preview for April 17, 2026
TEX
Texas Rangers
Jacob deGrom RHP
@
9:40 PM ET
T-Mobile Park
SEA
Seattle Mariners
Logan Gilbert RHP
Last updated Friday, April 17, 2026
Final This game has finished. Read the recap for final score, model grades, and box score.

Key Facts

Matchup
Texas Rangers at Seattle Mariners
Date
Friday, April 17, 2026
First Pitch
9:40 PM ET
Venue
T-Mobile Park
Probable Starters
Jacob deGrom (RHP) vs Logan Gilbert (RHP)
Lineups
Projected
Odds Snapshot
Apr 17, 9:41 PM ET
Last Updated
Apr 17, 7:10 AM ET

Betting Board

Snapshot Apr 17, 9:41 PM ET
Moneyline
TEX +116
SEA -127
Total
Over 6.5 -122
Under 6.5 +100
Run Line
TEX +1.5 -210
SEA -1.5 +172

Model Angles

NRFI Model
YRFI · 46%
-9.0% edge
Projected Total
5.3
model combined runs
Park Factor
0.95
Neutral · HR 0.92
First Pitch Weather
Roof
Climate controlled
The Texas Rangers visit the Seattle Mariners at T-Mobile Park for a 9:40 PM ET matchup featuring two right-handers with contrasting credentials. Jacob deGrom takes the ball for Texas with a 2.87 ERA, 0.96 WHIP, and 12.64 strikeouts per nine innings. Logan Gilbert counters for Seattle with a 4.18 ERA, 1.10 WHIP, and 9.51 strikeouts per nine. The Rangers arrive at 10-9 on a one-game winning streak, while the Mariners sit at 8-12 and have dropped three straight. The projected total sits at 5.3 runs with each side projected for 2.7. Conditions at T-Mobile Park call for 72-degree temperatures with no wind, and the park factor stands at 0.95 runs. Key offensive contributors include Corey Seager batting .299 versus right-handed pitching and Brendan Donovan at .292 against righties.
  • deGrom features 2.87 ERA and 12.64 strikeouts per nine
  • Rangers 10-9 with one-game win streak face 8-12 Mariners
  • Projected total 5.3 runs at T-Mobile Park with 0.95 park factor

Pitching Matchup

TEX Away
Jacob deGrom
RHP · 1-0 · 3 GS
ERA
2.87
WHIP
0.96
K/9
12.64
IP
15.2
Career: 2.58 ERA · 0.99 WHIP · 10.84 K/9
NRFI: 60.6%
1st Inn ERA: 3.82
SEA Home
Logan Gilbert
RHP · 1-2 · 4 GS
ERA
4.18
WHIP
1.10
K/9
9.51
IP
23.2
Career: 3.59 ERA · 1.06 WHIP · 9.52 K/9
NRFI: 72.2%
1st Inn ERA: 3.85

On the season, Jacob deGrom holds the ERA edge in this matchup. Jacob deGrom carries a 2.87 ERA and 0.96 WHIP, while Logan Gilbert sits at 4.18 ERA and 1.10 WHIP.
Strikeout rates: Jacob deGrom at 12.64 K/9, Logan Gilbert at 9.51 K/9.
K projections: Jacob deGrom at 5.8 (line 6.5)
Logan Gilbert projected at 5.2 (line 7.5).
First-inning scoring: Jacob deGrom holds a 60.6% career NRFI rate, Logan Gilbert at 72.2%. Combined average: 66.4%.
Both starters throw from the R side, limiting platoon splits for either lineup.

Strikeout Projections

Jacob deGrom vs SEA
Proj: 5.8Line: 6.5
-0.7
Confidence:
Logan Gilbert vs TEX
Proj: 5.2Line: 7.5
-2.3
Confidence:
View all K projections on SlateIQ

Our strikeout model weighs pitcher K rate, opponent lineup whiff tendency, park factors, and umpire zone size to project total strikeouts per starter.

Jacob deGrom (Texas Rangers) is projected for 5.8 strikeouts against a posted line of 6.5. The projection is close to the line with no actionable edge.
He faces a moderate-K lineup that strikes out at 22.0% with a 28.0% whiff rate.

Logan Gilbert (Seattle Mariners) is projected for 5.2 strikeouts against a posted line of 7.5. The projection sits 2.3 K below the line, giving the model an Under lean.
He faces a moderate-K lineup that strikes out at 22.0% with a 28.0% whiff rate.

The Texas Rangers lineup is more vulnerable to strikeouts in this matchup. Seattle Mariners batters K at 22.0%, Texas Rangers batters at 22.0%.

NRFI & First 5 Analysis

NRFI Model
45.9%
probability of YRFI
+-9.0%
market edge
Monitor
Market implied: 54.9%Model: 45.9%
First 5 Innings
2.9est. F5 runs
TEX
2.87 ERA
5.1 inn/start
SEA
4.18 ERA
5.8 inn/start
F5 lean: Moderate TEX
TEX K Projection
Jacob deGrom
5.8proj
Line: 6.5
-0.7 NEUTRAL
Confidence
SEA K Projection
Logan Gilbert
5.2proj
Line: 7.5
-2.3 UNDER
Confidence
Explore all model projections

Our NRFI model analyzes both starting pitchers' first-inning profiles, the top-of-order hitters in each lineup, the umpire's historical zone, and environmental factors to produce a probability estimate. For this game, the model assigns a 45.9% probability of no runs in the first inning, compared to the market's implied probability of 54.9%.

  • That creates a slim -9.0% edge on YRFI.
  • The best available line is NRFI -122 / YRFI +100 at FanDuel.
  • Home plate umpire Jordan Baker runs a average zone. See the umpire section below for full career data.
  • Our NRFI model sits at 15-17 (46.9%) on official picks this season.

Prop Edges

2 model signals detected
Home Run Elite 0.5
23%
Logan Gilbert
Strikeouts Under 7.5
See all today's picks and edges

Lineup & Matchup Breakdown

Texas Rangers Projected
K%: 22.0
4Corey SeagerLSS
Whiff rate: 28.0%Team page
Seattle Mariners Projected
K%: 22.0
1Brendan DonovanL2B
Whiff rate: 28.0%Team page
Batter vs Pitcher matchup tool

Lineups are projected as of this writing.

Texas Rangers K vulnerability: 22.0% strikeout rate, 28.0% whiff rate.

Seattle Mariners K vulnerability: 22.0% strikeout rate, 28.0% whiff rate.

Ballpark, Weather & Umpire

T-Mobile Park
Run Factor0.95
HR Factor0.92
Full park profile
Home Plate Umpire
Jordan Baker
Average NRFI: 57.0% 86 games
Full umpire profile
  • T-Mobile Park carries a 0.95 run factor (neutral).
  • Home run factor: 0.92 — the park suppresses HR power.
  • Park notes: Cool maritime climate; Lower wall in right field; Retractable roof.
  • Roof: Retractable.

Climate controlled. Roof expected closed. Standard 72F conditions, no wind factor.

  • Home plate umpire: Jordan Baker.
  • Career NRFI rate: 57.0% across 86 games tracked.
  • Zone tendency: Average.
  • K factor: 0.999 (league average strikeouts in his games).

Run Projections & Total

  • Our projection model puts the total at 5.3 combined runs, with Texas Rangers projected for 2.7 and Seattle Mariners for 2.7.
  • That's 1.2 runs below the posted total of 6.5, suggesting a lean toward the Under.
  • The run projection is essentially a coin flip between these two teams.
The Bottom Line
Texas brings superior pitching and momentum into Seattle, where the Mariners have lost three consecutive games. The projected total of 5.3 runs reflects the pitching matchup strengths and T-Mobile Park's run-suppressing environment with a 0.95 park factor.
This preview is generated from thecapper.io projection models and publicly available data. All projections are model estimates, not guarantees. Gamble responsibly. If you or someone you know has a gambling problem, call 1-800-GAMBLER.