Mariners vs Marlins Prediction, Odds & Player Prop Bets Today – MLB, Jun 21

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Miami Marlins' Josh Bell takes batting practice during a spring training baseball workout Friday, Feb. 16, 2024, in Jupiter, Fla. (AP Photo/Jeff Roberson)
(AP Photo/Jeff Roberson)
BetMGM Betting @BETMGM Jun 21, 2024, 11:01 AM
  • The Mariners are -160 favorites vs the Marlins
  • Mariners vs Marlins Over / Under today: 7.5 Runs
  • Mariners / Marlins TV Channel: RTNW | BSFL | ESPN+

The Seattle Mariners (-160) visit loanDepot park to take on the Miami Marlins (+135) on Friday, June 21, 2024. First pitch is scheduled for 7:10pm EDT in Miami, FL.

This season, the Mariners are 44-33 against the spread (ATS), while the Marlins are 31-43 ATS.

Mariners vs Marlins Starting Pitchers Today:

  • Mariners starting pitcher: George Kirby 6-5, 3.31 ERA
  • Marlins starting pitcher: Trevor Rogers 1-8, 5.12 ERA

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

SpreadOver / UnderMoneyline
Mariners-1.5 +105O 7.5 -110-160
Marlins +1.5 -130U 7.5 -110+135

Mariners vs Marlins Prediction for Today’s Game

Based on recent trends the model predicts the Mariners will win Friday‘s MLB game with 64.5% 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 Friday‘s game, looking at profitable historical betting trends:

Best Mariners Player Prop Bets Today:

  • J.P. Crawford has hit the Home Runs Over in 4 of his last 12 away games (+20.40 Units / 170% ROI)
  • J.P. Crawford has hit the Total Bases Over in 18 of his last 25 away games (+13.30 Units / 40% ROI)
  • J.P. Crawford has hit the Hits Over in 17 of his last 20 away games (+11.75 Units / 29% ROI)
  • J.P. Crawford has hit the Singles Under in 18 of his last 25 games (+10.10 Units / 30% ROI)
  • J.P. Crawford has hit the Hits Runs and RBIs Over in 17 of his last 25 away games (+9.05 Units / 31% ROI)

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

Best Marlins Player Prop Best Bets Today:

  • Josh Bell has hit the Runs Under in 39 of his last 50 games (+19.40 Units / 22% ROI)
  • Bryan De La Cruz has hit the Home Runs Over in 4 of his last 8 games at home (+18.10 Units / 226% ROI)
  • Jake Burger has hit the Total Bases Under in 20 of his last 25 games at home (+14.85 Units / 41% ROI)
  • Josh Bell has hit the Hits Over in 20 of his last 23 games at home (+13.70 Units / 30% ROI)
  • Jake Burger has hit the Hits Runs and RBIs Under in 17 of his last 24 games at home (+9.35 Units / 33% ROI)
  • The Seattle Mariners have hit the Moneyline in 17 of their last 24 games (+8.90 Units / 26% ROI)
  • The Seattle Mariners have hit the Game Total Over in 15 of their last 22 away games (+8.55 Units / 35% ROI)
  • The Seattle Mariners have hit the 1st Five Innings (F5) Team Total Under in 15 of their last 24 away games (+4.30 Units / 14% ROI)
  • The Seattle Mariners have covered the Run Line in 34 of their last 65 games (+2.20 Units / 3% ROI)
  • The Seattle Mariners have covered the 1st Five Innings (F5) Run Line in 4 of their last 6 games (+2.00 Units / 29% ROI)
  • The Miami Marlins have hit the Game Total Over in 27 of their last 40 games at home (+13.95 Units / 31% ROI)
  • The Miami Marlins have hit the Team Total Under in 42 of their last 69 games (+10.15 Units / 12% ROI)
  • The Miami Marlins have hit the 1st Five Innings (F5) Team Total Under in 33 of their last 56 games (+8.10 Units / 12% ROI)
  • The Miami Marlins have hit the Moneyline in 12 of their last 23 games at home (+2.70 Units / 11% ROI)
  • The Miami Marlins have covered the Run Line in 4 of their last 6 games at home (+1.20 Units / 14% ROI)

Mariners Against the Spread (ATS) Record

Against the spread this season, the Mariners are 37-40 against the Run Line (-6.65 Units / -6.57% ROI).

  • 44-33 when betting on the Moneyline for +4.65 Units / 4.67% ROI
  • 30-44 when betting on the total runs Over for -17.55 Units / -21.2% ROI
  • 44-30 when betting on the total runs Under for +10.7 Units / 12.63% ROI

Marlins Against the Spread (ATS) Record

Against the spread this season, the Marlins are 31-43 against the Run Line (-26.26 Units / -25.79% ROI).

  • 25-49 when betting on the Moneyline for -20.9 Units / -26.36% ROI
  • 39-34 when betting on the total runs Over for +2.2 Units / 2.7% ROI
  • 34-39 when betting on the total runs Under for -8.4 Units / -10.31% ROI

Marlins vs Mariners Home Run Prop Bets Today

Over Under
Cal Raleigh (SEA) 0.5 +375 0.5 -550
Dylan Moore (SEA) 0.5 +425 0.5 -650
Julio Rodriguez (SEA) 0.5 +550 0.5 -800
Jake Burger (MIA) 0.5 +600 0.5 -900
Mitch Haniger (SEA) 0.5 +625 0.5 -1000

Marlins vs Mariners Total Hits Prop Bets Today

Over Under
Dylan Moore (SEA) 0.5 -210 0.5 +160
Bryan De La Cruz (MIA) 0.5 -210 0.5 +160
Jesus Sanchez (MIA) 0.5 -210 0.5 +155
Ty France (SEA) 0.5 -200 0.5 +155
Mitch Haniger (SEA) 0.5 -190 0.5 +145

Marlins vs Mariners RBI Prop Bets Today

Over Under
Cal Raleigh (SEA) 0.5 +135 0.5 -185
Julio Rodriguez (SEA) 0.5 +155 0.5 -210
Dylan Moore (SEA) 0.5 +175 0.5 -250
Ty France (SEA) 0.5 +195 0.5 -250
Mitch Haniger (SEA) 0.5 +210 0.5 -275

Marlins vs Mariners Strikeout Prop Bets Today

Over Under
Trevor Rogers (MIA) 4.5 -155 4.5 +120
George Kirby (SEA) 6.5 +125 6.5 -160

George Kirby has walked 21 of 639 batters (3%) when going through the lineup the first time in a game since the 2022 season — best among qualified SPs in MLB; League Avg: 6% — 100th Percentile.

George Kirby has walked 11 of 412 batters (3%) when going through the lineup the second time in a game since last season — best among qualified SPs in MLB; League Avg: 7% — 100th Percentile.

George Kirby has walked 50 of 1,649 batters (3%) since the 2022 season — best in MLB among starting pitchers with at least 158 total IP; League Avg: 7% — 100th Percentile.

George Kirby has walked 9 of 350 batters (3%) this season — 2nd best among qualified SPs in MLB; League Avg: 7% — 98th Percentile.

Marlins Starting Pitcher Stats & Trends

Trevor Rogers has thrown at least two strikes in his first three pitches to 41% (20/49) of opposing batters this month (3 games) — lowest among among NL Starters; League Avg: 64% — second Percentile.

Trevor Rogers has a strike rate of just 48% (129/269) on sliders this season — lowest in MLB among starting pitchers with at least 28 total IP; League Avg: 63% — first Percentile.

Opponents have a swing rate of just 27% (53/195) against Trevor Rogers on low breaking pitches this season — lowest in MLB among starting pitchers with at least 28 total IP; League Avg: 45% — first Percentile.

Trevor Rogers has thrown his breaking pitches for a strike just 48% (129/269) of the time this season — 2nd lowest in MLB among starting pitchers with at least 28 total IP; League Avg: 62% — first Percentile.

Mariners Keys to the Game vs. the Marlins

The Mariners are 99-16 (.861) when they’ve had 10 or more hits since the 2022 season — best in MLB; League Avg: .733.

The Mariners are 9-2 (.818) after a home loss this season — 2nd best in MLB; League Avg: .536.

The Mariners are 182-4 (.978) when leading entering the 9th inning since the 2022 season — 2nd best in MLB; League Avg: .950.

The Mariners are 151-25 (.858) when scoring 5 or more runs since the 2022 season — 4th best in MLB; League Avg: .794.

Marlins Keys to the Game vs. the Mariners

The Marlins are just 21-16 (.568) when allowing 4 or fewer runs this season — 2nd lowest in MLB; League Avg: .717.

The Marlins are just 8-18 (.308) after a home loss this season — 2nd lowest in MLB; League Avg: .536.

The Marlins are just 25-45 (.357) when allowing 5 or more extra base hits this season — 2nd lowest in MLB; League Avg: .531.

The Marlins are just 6-9 (.400) when they’ve hit 2 or more home runs this season — lowest in MLB; League Avg: .698.

The Mariners are batting just .126 on pitches out of the zone since last season — 2nd lowest in MLB; League Avg: .151.

Mariners hitters are slugging just .178 on pitches out of the zone since the 2022 season — 3rd lowest in MLB; League Avg: .212.

Mariners hitters have pulled 50% of balls they’ve put into play against RHP since last season — highest in MLB; League Avg: 47%.

Mariners hitters have 565 strikeouts in 2,019 PA’s (28%) against RHP this season — highest in MLB; League Avg: 22%.

Marlins hitters have an OBP of just .201 (1,360 PA’s) with two-strikes this season — lowest in MLB; League Avg: .246.

Marlins hitters have an OPS of just .551 (853 PA’s) in innings 7-9 this season — lowest in MLB; League Avg: .684.

Marlins hitters have an OPS of just .404 (1,360 PA’s) with two-strikes this season — lowest in MLB; League Avg: .507.

Marlins hitters have pulled just 43% of balls they’ve put into play since last season — lowest in MLB; League Avg: 47%.

The Mariners have allowed 2.85 runs per game (111/39) at home this season — best in MLB; League Avg: 4.34.

Mariners pitchers have walked 35 of 682 batters (5%) when facing the leadoff batter in the inning this season — best in MLB; League Avg: 8%.

The Mariners pitchers have allowed division opponents to score first in just 18% of their games this season — lowest in MLB; League Avg: 50%.

Mariners pitchers have an ERA of 2.34 (196.0 IP) against division opponents this season — best in MLB; League Avg: 4.07.

Opponents have a miss rate of 27% against Marlins pitchers since last season — tied for 4th best in MLB; League Avg: 26%.

Opponents have a miss rate of 27% against Marlins pitchers since the 2022 season — tied for 3rd best in MLB; League Avg: 26%.

The Marlins have won just 16% of road games in which their opponents scored first since last season — 3rd lowest in MLB; League Avg: 28%.

Opponents have a groundball rate of 45% against Marlins pitchers since the 2022 season — 3rd highest in MLB; League Avg: 43%.

Marlins vs. Mariners Injuries Tonight That May Affect Prop Bets 

  • Eury Perez (Miami Marlins): Elbow, 15-Day IL
  • Josh Simpson (Miami Marlins): Elbow, 15-Day IL
  • Sandy Alcantara (Miami Marlins): Elbow, 60-Day IL
  • Xavier Edwards (Miami Marlins): Foot, 10-Day IL
  • Huascar Brazoban (Miami Marlins): Personal, Out
  • Victor Mesa (Miami Marlins): Undisclosed, 7-Day IL
  • Edward Cabrera (Miami Marlins): Shoulder, 15-Day IL
  • Braxton Garrett (Miami Marlins): Shoulder, 15-Day IL
  • JT Chargois (Miami Marlins): Neck, 15-Day IL
  • Jackson Kowar (Seattle Mariners): Elbow, 60-Day IL
  • Mitch Garver (Seattle Mariners): Back, Day-To-Day
  • Sam Haggerty (Seattle Mariners): Undisclosed, 10-Day IL
  • Gregory Santos (Seattle Mariners): Lat, 15-Day IL
  • Eduard Bazardo (Seattle Mariners): Shoulder, 15-Day IL
  • Bryan Woo (Seattle Mariners): Elbow, 15-Day IL
  • Matt Brash (Seattle Mariners): Elbow, 15-Day IL

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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.