Rangers vs Mariners Prediction, Odds & Player Prop Bets Today – MLB, Apr 18

Seattle Mariners left fielder Randy Arozarena throws to the infield during the third inning of a spring training baseball game against the Colorado Rockies Sunday, March 2, 2025, in Scottsdale, Ariz.
(AP Photo/Ross D. Franklin)
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  • The Mariners are -150 favorites vs the Rangers
  • Rangers vs Mariners Over / Under today: 7 Runs
  • Rangers / Mariners TV Channel: FOX

The Texas Rangers (+125) visit T-Mobile Park to take on the Seattle Mariners (-150) on April 18, 2026. First pitch is scheduled for 7:15 pm in Seattle, WA.

This season, the Rangers are 11-9 against the spread (ATS), while the Mariners are 7-14 ATS.

Rangers vs Mariners Starting Pitchers Today:

  • Rangers starting pitcher: Nathan Eovaldi 2-2, 5.41 ERA
  • Mariners starting pitcher: George Kirby 2-2, 3.26 ERA

Rangers vs. Mariners Odds, Run Line, Over/Under & Moneyline

SpreadOver / UnderMoneyline
Rangers+1.5 -190O 7 +100+125
Mariners -1.5 +154U 7 -120-150

Rangers vs Mariners Prediction for Today’s Game

Based on recent trends the model predicts the Mariners will win Saturday‘s MLB game with 58.2% confidence, factoring in game simulations, recent player performances, starting pitchers and injuries.


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We’ve highlighted some favorite MLB player prop bets for Rangers players for Saturday‘s game, looking at profitable historical betting trends:

Best Rangers Player Prop Bets Today:

  • Evan Carter has hit the Home Runs Over in 2 of his last 6 games (+12.00 Units / 200% ROI)
  • Nathan Eovaldi has hit the Earned Runs Under in 16 of his last 20 games (+11.30 Units / 40% ROI)
  • Corey Seager has hit the Singles Under in his last 9 games (+9.00 Units / 72% ROI)
  • Corey Seager has hit the Runs Over in 11 of his last 15 away games (+8.85 Units / 56% ROI)
  • Corey Seager has hit the Hits Under in 15 of his last 25 games (+8.55 Units / 23% ROI)

And here are some favorite MLB player prop bets for Mariners players for Saturday‘s game, looking at profitable historical betting trends:

Best Mariners Player Prop Best Bets Today:

  • Josh Naylor has hit the Hits Under in 14 of his last 20 games (+14.75 Units / 65% ROI)
  • Josh Naylor has hit the Runs Under in 17 of his last 20 games (+11.90 Units / 34% ROI)
  • Josh Naylor has hit the Hits Runs and RBIs Under in 16 of his last 20 games (+11.30 Units / 47% ROI)
  • Josh Naylor has hit the Total Bases Under in 16 of his last 20 games (+10.85 Units / 34% ROI)
  • Cole Young has hit the Singles Over in 7 of his last 9 games at home (+9.15 Units / 102% ROI)
  • The Texas Rangers have hit the 1st Five Innings (F5) Team Total Over in 34 of their last 50 away games (+15.75 Units / 26% ROI)
  • The Texas Rangers have hit the Game Total Over in 33 of their last 50 away games (+15.30 Units / 28% ROI)
  • The Texas Rangers have hit the Team Total Over in 32 of their last 50 away games (+12.05 Units / 20% ROI)
  • The Texas Rangers have covered the Run Line in 16 of their last 25 games (+7.50 Units / 22% ROI)
  • The Texas Rangers have hit the 1st Five Innings (F5) Moneyline in 9 of their last 17 away games (+4.80 Units / 26% ROI)
  • The Seattle Mariners have hit the Moneyline in 34 of their last 50 games at home (+12.45 Units / 15% ROI)
  • The Seattle Mariners have hit the Team Total Over in 28 of their last 45 games at home (+9.45 Units / 18% ROI)
  • The Seattle Mariners have hit the 1st Five Innings (F5) Moneyline in 26 of their last 45 games at home (+9.25 Units / 12% ROI)
  • The Seattle Mariners have hit the Game Total Over in 26 of their last 45 games at home (+6.35 Units / 13% ROI)
  • The Seattle Mariners have covered the 1st Five Innings (F5) Run Line in 21 of their last 35 games at home (+4.65 Units / 11% ROI)

Rangers Against the Spread (ATS) Record

Against the spread this season, the Rangers are 12-8 against the Run Line (+4.25 Units / 15.74% ROI).

  • 11-9 when betting on the Moneyline for +1.2 Units / 5.32% ROI
  • 9-9 when betting on the total runs Over for -0.95 Units / -4.28% ROI
  • 9-9 when betting on the total runs Under for -0.75 Units / -3.44% ROI

Mariners Against the Spread (ATS) Record

Against the spread this season, the Mariners are 7-14 against the Run Line (-6.65 Units / -28.73% ROI).

  • 8-13 when betting on the Moneyline for -9.25 Units / -31.36% ROI
  • 9-12 when betting on the total runs Over for -4.2 Units / -18.22% ROI
  • 12-9 when betting on the total runs Under for +2.05 Units / 8.84% ROI

Mariners vs Rangers Home Run Prop Bets Today

Yes
Cal Raleigh +310
Corey Seager +400
Jake Burger +425
Julio Rodriguez +500
Luke Raley +525

Mariners vs Rangers Total Hits Prop Bets Today

Over Under
Brendan Donovan 0.5 -220 0.5 +160
Julio Rodriguez 0.5 -200 0.5 +150
Corey Seager 0.5 -190 0.5 +140
Josh Naylor 0.5 -185 0.5 +135
Brandon Nimmo 0.5 -175 0.5 +130

Mariners vs Rangers Strikeout Prop Bets Today

Over Under
Joc Pederson 0.5 -275 0.5 +195
Randy Arozarena 0.5 -275 0.5 +195
Julio Rodriguez 0.5 -250 0.5 +180
Josh Jung 0.5 -250 0.5 +180
Evan Carter 0.5 -225 0.5 +165

Rangers Keys to the Game vs. the Mariners

The Rangers were 6-60 (.091) when trailing entering the 9th inning in the 2025 season — best in MLB; League Avg: .043.

The Rangers were just 7-18 (.280) when tied entering the 8th inning in the 2025 season — 2nd lowest in MLB; League Avg: .500.

The Rangers are just 7-20 (.259) when tied entering the 8th inning since the 2025 season — 2nd lowest in MLB; League Avg: .500.

The Rangers were just 7-45 (.135) when they allowed 5 or more runs in the 2025 season — tied for 5th lowest in MLB; League Avg: .202.

Mariners Keys to the Game vs. the Rangers

The Mariners are just 0-12 (.000) when trailing entering the 9th inning this season — tied for lowest in MLB; League Avg: .048.

The Mariners are just 0-10 (.000) when trailing entering the 7th inning this season — tied for lowest in MLB; League Avg: .127.

The Mariners were 9-55 (.141) when trailing entering the 8th inning in the 2025 season — 3rd best in MLB; League Avg: .090.

The Mariners were 18-10 (.643) when tied entering the 7th inning in the 2025 season — 4th best in MLB; League Avg: .500.

Rangers hitters have an OPS of just .570 (198 PA’s) at home this season — lowest in MLB.

The Rangers have scored 2.00 runs per game (12/6) at home this season — lowest in MLB.

Rangers hitters have struck out in 31% of their PA’s against LHP this season — 2nd highest in MLB.

Rangers hitters have an OBP of just .295 (3,131 PA’s) at home since the 2025 season — lowest in MLB.

Mariners hitters are slugging just .249 on the road this season — lowest in MLB.

Mariners hitters are slugging just .220 against LHP this season — lowest in MLB.

Mariners hitters slugged .712 on the first pitch of at-bats in the 2025 season — best in MLB.

The Mariners are batting just .164 against LHP this season — 2nd lowest in MLB.

Opponents had a groundball batting average of just .205 against Rangers pitchers with runners on base in the 2025 season — best in MLB.

Opponents had a groundball batting average of just .221 against Rangers pitchers in the 2025 season — best in MLB.

Rangers pitchers have an ERA of 2.00 (54.0 IP) at home this season — best in MLB.

Opponents have a groundball batting average of just .219 against Rangers pitchers with runners on base since the 2025 season — best in MLB.

Mariners pitchers have a first-pitch strike rate of 67% this season — highest in MLB.

Mariners pitchers have walked 6% of batters this season — best in MLB.

Mariners pitchers have induced opposing hitters to ground into 23 double plays in 128 opportunities (18%) this season — tied for best in MLB.

Mariners pitchers have thrown at least two strikes in their first three pitches to 70% of opposing batters this season — highest in MLB.

More MLB Reading:


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Our BetMGM betting authors are experts who focus on individual game matchups & player prop bets with an emphasis on betting odds, lines & predictions.

Our BetMGM betting authors are experts who focus on individual game matchups & player prop bets with an emphasis on betting odds, lines & predictions.