Seattle Mariners vs Chicago Cubs Prediction, Odds & Player Prop Bets Today – MLB, Jun 20

  • The Chicago Cubs are -140 favorites vs the Seattle Mariners
  • Seattle Mariners vs Chicago Cubs Over / Under today: 9.5 Runs
  • Seattle Mariners / Chicago Cubs TV Channel: MARQ | RTNW | MLBN

The Seattle Mariners (+115) visit Wrigley Field to take on the Chicago Cubs (-140) on Friday, June 20, 2025. First pitch is scheduled for 2:20pm EDT in Chicago, IL, IL.

This season, the Seattle Mariners are 37-36 against the spread (ATS), while the Chicago Cubs are 37-37 ATS.

Seattle Mariners vs Chicago Cubs Starting Pitchers Today:

  • Seattle Mariners starting pitcher: , ERA
  • Chicago Cubs starting pitcher: , ERA

Seattle Mariners vs. Chicago Cubs Odds, Run Line, Over/Under & Moneyline

SpreadOver / UnderMoneyline
Seattle Mariners+1.5 -185O 9.5 -105+115
Chicago Cubs -1.5 +150U 9.5 -115-140

Seattle Mariners vs Chicago Cubs Prediction for Today’s Game

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

Best Seattle Mariners Player Prop Bets Today:

  • Julio Rodriguez has hit the Hits Over in 17 of his last 25 away games (+14.70 Units / 41% ROI)
  • Jorge Polanco has hit the Runs Under in 20 of his last 25 games (+12.50 Units / 30% ROI)
  • Miles Mastrobuoni has hit the Home Runs Over in 1 of his last 4 away games (+12.00 Units / 300% ROI)
  • Jorge Polanco has hit the Total Bases Under in 17 of his last 25 games (+9.15 Units / 28% ROI)
  • Julio Rodriguez has hit the Hits Runs and RBIs Over in 17 of his last 25 away games (+8.05 Units / 25% ROI)

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

Best Chicago Cubs Player Prop Best Bets Today:

  • Pete Crow-Armstrong has hit the Home Runs Over in 4 of his last 10 games (+16.00 Units / 160% ROI)
  • Seiya Suzuki has hit the Singles Under in 18 of his last 20 games at home (+15.50 Units / 59% ROI)
  • Seiya Suzuki has hit the Runs Under in 16 of his last 20 games (+10.50 Units / 36% ROI)
  • Seiya Suzuki has hit the Walks Under in his last 10 games (+10.00 Units / 47% ROI)
  • Pete Crow-Armstrong has hit the Hits Over in 18 of his last 25 games at home (+8.65 Units / 19% ROI)
  • The Seattle Mariners have hit the Game Total Over in 34 of their last 61 games (+6.55 Units / 10% ROI)
  • The Seattle Mariners have hit the Team Total Under in 15 of their last 23 games (+6.50 Units / 25% ROI)
  • The Seattle Mariners have hit the 1st Five Innings (F5) Team Total Over in 38 of their last 67 games (+6.40 Units / 8% ROI)
  • The Seattle Mariners have hit the Moneyline in 17 of their last 30 away games (+3.55 Units / 10% ROI)
  • The Seattle Mariners have covered the Run Line in 3 of their last 6 games (+0.40 Units / 5% ROI)
  • The Chicago Cubs have hit the Moneyline in 43 of their last 68 games (+12.65 Units / 12% ROI)
  • The Chicago Cubs have hit the 1st Five Innings (F5) Moneyline in 37 of their last 72 games (+11.70 Units / 11% ROI)
  • The Chicago Cubs have hit the Game Total Under in 15 of their last 21 games (+10.50 Units / 45% ROI)
  • The Chicago Cubs have hit the 1st Five Innings (F5) Team Total Under in 23 of their last 37 games (+6.80 Units / 15% ROI)
  • The Chicago Cubs have hit the Team Total Under in 14 of their last 21 games (+6.25 Units / 26% ROI)

Seattle Mariners Against the Spread (ATS) Record

Against the spread this season, the Seattle Mariners are 32-41 against the Run Line (-9.35 Units / -10.37% ROI).

  • 37-36 when betting on the Moneyline for -8.8 Units / -9.04% ROI
  • 37-32 when betting on the total runs Over for +1.85 Units / 2.31% ROI
  • 32-37 when betting on the total runs Under for -8.87 Units / -10.98% ROI

Chicago Cubs Against the Spread (ATS) Record

Against the spread this season, the Chicago Cubs are 37-37 against the Run Line (+0.77 Units / 0.86% ROI).

  • 45-29 when betting on the Moneyline for +10.55 Units / 9.62% ROI
  • 36-33 when betting on the total runs Over for +0.25 Units / 0.31% ROI
  • 33-36 when betting on the total runs Under for -6.9 Units / -8.38% ROI

Chicago Cubs vs Seattle Mariners Home Run Prop Bets Today

Over Under
Cal Raleigh (SEA) 0.5 +210 0.5 -275
Seiya Suzuki (CHC) 0.5 +290 0.5 -375
Kyle Tucker (CHI) 0.5 +300 0.5 -400
Ian Happ (CHC) 0.5 +320 0.5 -400
Pete Crow-Armstrong (CHC) 0.5 +325 0.5 -450

Chicago Cubs vs Seattle Mariners Total Hits Prop Bets Today

Over Under
Kyle Tucker (CHI) 0.5 -275 0.5 +200
Pete Crow-Armstrong (CHC) 0.5 -275 0.5 +195
Nico Hoerner (CHC) 0.5 -250 0.5 +190
Ian Happ (CHC) 0.5 -250 0.5 +185
Cal Raleigh (SEA) 0.5 -235 0.5 +175

Chicago Cubs vs Seattle Mariners RBI Prop Bets Today

Over Under
Cal Raleigh (SEA) 0.5 +100 0.5 -130
Seiya Suzuki (CHC) 0.5 +125 0.5 -160
Pete Crow-Armstrong (CHC) 0.5 +130 0.5 -165
Michael Busch (CHC) 0.5 +140 0.5 -190
Kyle Tucker (CHI) 0.5 +145 0.5 -190

Chicago Cubs vs Seattle Mariners Strikeout Prop Bets Today

Over Under
George Kirby (SEA) 4.5 -160 4.5 +120
Matthew Boyd (CHC) 5.5 -110 5.5 -118

starting pitcher – away

Chicago Cubs Starting Pitcher Stats & Trends

starting pitcher – home

Seattle Mariners Keys to the Game vs. the Chicago Cubs

keys to the game – away

Chicago Cubs Keys to the Game vs. the Seattle Mariners

keys to the game – home

team hitters – away

team hitters – home

team pitchers – away

team pitchers – home

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.