Mariners vs Rangers Prediction, Odds & Player Prop Bets Today – MLB, Sep 21

Texas Rangers' Corey Seager hits a two-run home run against the Arizona Diamondbacks during the second inning in Game 4 of the baseball World Series Tuesday, Oct. 31, 2023, in Phoenix.
(AP Photo/Godofredo A. Vรกsquez)
  • The Rangers are -135 favorites vs the Mariners
  • Mariners vs Rangers Over / Under today: 8.5 Runs
  • Mariners / Rangers TV Channel: RTNW | BSSW

The Seattle Mariners (+115) visit Globe Life Field to take on the Texas Rangers (-135) on Saturday, September 21, 2024. First pitch is scheduled for 7:05pm EDT in Arlington, TX.

This season, the Mariners are 79-75 against the spread (ATS), while the Rangers are 68-86 ATS.

Mariners vs Rangers Starting Pitchers Today:

  • Mariners starting pitcher: Emerson Hancock 3-4, 4.86 ERA
  • Rangers starting pitcher: Max Scherzer 2-4, 4.01 ERA

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

SpreadOver / UnderMoneyline
Mariners+1.5 -185O 8.5 -115+115
Rangers -1.5 +150U 8.5 -105-135

Mariners vs Rangers Prediction for Today’s Game

Based on recent trends the model predicts the Rangers will win Saturday‘s MLB game with 52.5% 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 Mariners players for Saturday‘s game, looking at profitable historical betting trends:

Best Mariners Player Prop Bets Today:

  • Luke Raley has hit the Home Runs Over in 10 of his last 30 games (+31.50 Units / 105% ROI)
  • Luis Urias has hit the Singles Under in 22 of his last 27 games (+11.15 Units / 19% ROI)
  • Justin Turner has hit the Runs Over in 11 of his last 18 games (+10.75 Units / 60% ROI)
  • Julio Rodriguez has hit the Hits Under in 22 of his last 39 games (+10.60 Units / 19% ROI)
  • Mitch Garver has hit the Total Bases Under in 13 of his last 18 games (+8.60 Units / 43% ROI)

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

Best Rangers Player Prop Best Bets Today:

  • Adolis Garcia has hit the Runs Under in 24 of his last 28 games (+18.15 Units / 46% ROI)
  • Marcus Semien has hit the Home Runs Over in 4 of his last 11 games (+15.50 Units / 141% ROI)
  • Josh H. Smith has hit the Hits Over in his last 12 games at home (+12.00 Units / 52% ROI)
  • Nate Lowe has hit the Singles Over in 16 of his last 22 games (+10.95 Units / 49% ROI)
  • Marcus Semien has hit the Hits Runs and RBIs Under in 26 of his last 43 games (+8.45 Units / 18% ROI)
  • The Seattle Mariners have hit the Game Total Over in 38 of their last 60 away games (+18.25 Units / 27% ROI)
  • The Seattle Mariners have hit the 1st Five Innings (F5) Team Total Over in 17 of their last 25 games (+7.55 Units / 24% ROI)
  • The Seattle Mariners have covered the 1st Five Innings (F5) Run Line in 29 of their last 48 away games (+7.05 Units / 12% ROI)
  • The Seattle Mariners have covered the Run Line in 5 of their last 6 away games (+5.30 Units / 75% ROI)
  • The Seattle Mariners have hit the Moneyline in 10 of their last 15 games (+3.99 Units / 21% ROI)
  • The Texas Rangers have hit the 1st Five Innings (F5) Team Total Under in 30 of their last 42 games (+17.75 Units / 35% ROI)
  • The Texas Rangers have hit the Game Total Under in 46 of their last 75 games at home (+16.45 Units / 20% ROI)
  • The Texas Rangers have hit the Team Total Under in 45 of their last 74 games at home (+12.85 Units / 15% ROI)
  • The Texas Rangers have covered the Run Line in 8 of their last 12 games at home (+6.65 Units / 51% ROI)
  • The Texas Rangers have hit the Moneyline in 27 of their last 44 games at home (+6.50 Units / 11% ROI)

Mariners Against the Spread (ATS) Record

Against the spread this season, the Mariners are 67-87 against the Run Line (-24.25 Units / -12.54% ROI).

  • 79-75 when betting on the Moneyline for -15.61 Units / -7.66% ROI
  • 70-75 when betting on the total runs Over for -11.7 Units / -6.96% ROI
  • 75-70 when betting on the total runs Under for -1.83 Units / -1.08% ROI

Rangers Against the Spread (ATS) Record

Against the spread this season, the Rangers are 68-86 against the Run Line (-29.65 Units / -14.65% ROI).

  • 73-81 when betting on the Moneyline for -19.5 Units / -10.05% ROI
  • 70-76 when betting on the total runs Over for -13.35 Units / -7.95% ROI
  • 76-70 when betting on the total runs Under for -1.08 Units / -0.64% ROI

Rangers vs Mariners Home Run Prop Bets Today

Over Under
Cal Raleigh (SEA) 0.5 +260 0.5 -350
Adolis Garcia (TEX) 0.5 +310 0.5 -400
Wyatt Langford (TEX) 0.5 +360 0.5 -500
Jorge Polanco (SEA) 0.5 +400 0.5 -550
Julio Rodriguez (SEA) 0.5 +425 0.5 -600

Rangers vs Mariners Total Hits Prop Bets Today

Over Under
Adolis Garcia (TEX) 0.5 -250 0.5 +180
Ezequiel Duran (TEX) 0.5 -250 0.5 +185
Julio Rodriguez (SEA) 0.5 -225 0.5 +165
Josh H. Smith (TEX) 0.5 -210 0.5 +160
Nate Lowe (TEX) 0.5 -200 0.5 +150

Rangers vs Mariners RBI Prop Bets Today

Over Under
Adolis Garcia (TEX) 0.5 +120 0.5 -155
Wyatt Langford (TEX) 0.5 +135 0.5 -175
Cal Raleigh (SEA) 0.5 +140 0.5 -190
Marcus Semien (TEX) 0.5 +170 0.5 -225
Julio Rodriguez (SEA) 0.5 +170 0.5 -225

Rangers vs Mariners Strikeout Prop Bets Today

Over Under
Emerson Hancock (SEA) 3.5 -135 3.5 +100
Max Scherzer (TEX) 5.5 -110 5.5 -120

Emerson Hancock has limited playing time.

Rangers Starting Pitcher Stats & Trends

Opponents have a Hard-Hit Rate of just 30% (27/90) against Max Scherzer on the first pitch of at-bats since last season — best in MLB among starting pitchers with at least 126 total IP; League Avg: 43% — 100th Percentile.

Max Scherzer has walked 19 of 696 right-handed batters (3%) since the 2022 season — tied for 2nd best in MLB among starting pitchers with at least 190 total IP; League Avg: 7% — 99th Percentile.

Opponents had a Hard-Hit Rate of just 28% (18/65) against Max Scherzer on the first pitch of at-bats in the 2023 season — tied for best in MLB among starting pitchers with at least 64 total IP; League Avg: 44% — 100th Percentile.

Max Scherzer has not allowed a walk in his last 71 PAs against a RHH dating back to July 4th — Jacob deGrom has the longest active streak at 97.

Mariners Keys to the Game vs. the Rangers

The Mariners are 117-17 (.873) when scoring 5 or more runs since the 2023 season — best in MLB; League Avg: .791.

The Mariners are 61-7 (.897) when they’ve had 5 or more XBH since the 2022 season — best in MLB; League Avg: .800.

The Mariners are 178-27 (.868) when scoring 5 or more runs since the 2022 season — 2nd best in MLB; League Avg: .796.

The Mariners are just 5-29 (.147) when allowing 10 or more hits this season — 3rd lowest in MLB; League Avg: .249.

Rangers Keys to the Game vs. the Mariners

The Rangers are just 12-193 (.059) when trailing entering the 8th inning since the 2022 season — 3rd lowest in MLB; League Avg: .095.

The Rangers are just 8-56 (.125) when allowing 5 or more runs this season — 3rd lowest in MLB; League Avg: .197.

The Rangers are just 5-212 (.023) when trailing entering the 9th inning since the 2022 season — tied for lowest in MLB; League Avg: .049.

The Rangers are just 11-106 (.094) when trailing entering the 7th inning since the 2023 season — 3rd lowest in MLB; League Avg: .142.

The Mariners are batting just .223 when facing the starting pitcher for the 3rd time in a game since last season — lowest in MLB; League Avg: .264.

The Mariners are batting just .197 when facing the starting pitcher for the 3rd time in a game this season — lowest in MLB; League Avg: .262.

The Mariners are batting just .209 against LHP this season — lowest in MLB; League Avg: .245.

The Mariners are batting just .140 with two-strikes this season — lowest in MLB; League Avg: .168.

Rangers hitters have 42 strikeouts in 120 PA’s (35%) against LHP this month (14 games) — highest in MLB; League Avg: 24%.

Rangers hitters have put just 27% of their swings in play against LHP this month (14 games) — lowest in MLB; League Avg: 36%.

The Rangers are batting just .302 in hitter’s counts this season — 2nd lowest in MLB; League Avg: .339.

Rangers hitters have an OBP of just .312 (1,501 PA’s) when facing the starting pitcher for the 3rd time in a game since last season — 5th lowest in MLB; League Avg: .327.

The Mariners pitchers have allowed division opponents to score first in just 25% of their games this season — lowest in MLB; League Avg: 50%.

Mariners pitchers have an ERA of 2.81 (711.0 IP) at home this season — best in MLB; League Avg: 3.97.

Mariners pitchers have walked 1,219 of 17,502 batters (7%) since the 2022 season — best in MLB; League Avg: 8%.

Mariners pitchers have walked 351 of 5,510 batters (6%) this season — best in MLB; League Avg: 8%.

Rangers pitchers have an ERA of 5.34 (637.1 IP) on the road this season — 2nd highest in MLB; League Avg: 4.20.

Rangers pitchers have walked 85 of 1,359 batters (6%) when facing the leadoff batter in the inning this season — tied for 3rd best in MLB; League Avg: 7%.

Opponents have a groundball rate of just 34% against Rangers pitchers over the last 14 days — 2nd lowest in MLB; League Avg: 42%.

Rangers pitchers have an ERA of 7.48 (49.1 IP) on the road this month (6 games) — highest in MLB; League Avg: 4.00.

Rangers vs. Mariners Injuries Tonight That May Affect Prop Bets 

  • Texas Rangers – No Injuries Reported
  • Seattle Mariners – No Injuries Reported

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About the Author

Shane Jackson

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Shane Jackson is a Web Content Writer for BetMGM, covering MLB and NBA. After graduating from the University of Kansas, his previous stops include MLB.com, Lawrence Journal-World, Manhattan Mercury, Bet Chicago Sports, WynnBET, and Sportsbook Review.

Shane Jackson is a Web Content Writer for BetMGM, covering MLB and NBA. After graduating from the University of Kansas, his previous stops include MLB.com, Lawrence Journal-World, Manhattan Mercury, Bet Chicago Sports, WynnBET, and Sportsbook Review.