Mariners vs Royals Prediction, Odds & Player Prop Bets Today – MLB, Jun 7

Kansas City Royals' Vinnie Pasquantino at bat during the first inning of a baseball game against the Toronto Blue Jays, Monday, April 3, 2023, in Kansas City, Mo.
(AP Photo/Reed Hoffmann)
  • The Mariners are -120 favorites vs the Royals
  • Mariners vs Royals Over / Under today: 8.5 Runs
  • Mariners / Royals TV Channel: RTNW | BSKC

The Seattle Mariners (-125) visit Ewing M. Kauffman Stadium to take on the Kansas City Royals (+105) on Friday, June 7, 2024. First pitch is scheduled for 8:10pm EDT in Kansas City, MO.

This season, the Mariners are 36-28 against the spread (ATS), while the Royals are 39-24 ATS.

Mariners vs Royals Starting Pitchers Today:

  • Mariners starting pitcher: Bryce Miller 5-5, 3.20 ERA
  • Royals starting pitcher: Daniel Lynch 0-0, 1.50 ERA

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

SpreadOver / UnderMoneyline
Mariners-1.5 +135O 9 -110-125
Royals +1.5 -160U 9 -110+105

Mariners vs Royals Prediction for Today’s Game

Based on recent trends the model predicts the Mariners will win Friday‘s MLB game with 53.1% 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:

  • Ty France has hit the Home Runs Over in 5 of his last 22 games (+16.90 Units / 77% ROI)
  • J.P. Crawford has hit the Total Bases Over in 24 of his last 32 games (+15.00 Units / 31% ROI)
  • Mitch Haniger has hit the Singles Over in 13 of his last 17 games (+13.25 Units / 77% ROI)
  • Mitch Haniger has hit the Runs Under in 17 of his last 20 games (+11.70 Units / 33% ROI)
  • Mitch Haniger has hit the Hits Over in 15 of his last 17 games (+10.85 Units / 38% ROI)

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

Best Royals Player Prop Best Bets Today:

  • Nelson Velazquez has hit the Home Runs Over in 4 of his last 11 games (+14.20 Units / 129% ROI)
  • MJ Melendez has hit the Hits Under in 18 of his last 27 games (+13.70 Units / 50% ROI)
  • MJ Melendez has hit the Singles Under in 22 of his last 27 games (+13.15 Units / 27% ROI)
  • MJ Melendez has hit the Hits Runs and RBIs Under in 20 of his last 27 games (+12.35 Units / 35% ROI)
  • Vinnie Pasquantino has hit the RBIs Over in 11 of his last 14 games at home (+12.25 Units / 88% ROI)
  • The Seattle Mariners have hit the 1st Five Innings (F5) Team Total Under in 20 of their last 31 games (+8.65 Units / 23% ROI)
  • The Seattle Mariners have hit the Game Total Under in 26 of their last 43 games (+7.90 Units / 16% ROI)
  • The Seattle Mariners have hit the Moneyline in 9 of their last 11 games (+6.15 Units / 38% ROI)
  • The Seattle Mariners have covered the Run Line in 29 of their last 52 games (+5.65 Units / 8% ROI)
  • The Seattle Mariners have covered the 1st Five Innings (F5) Run Line in 5 of their last 6 games (+3.80 Units / 54% ROI)
  • The Kansas City Royals have covered the Run Line in 38 of their last 59 games (+14.04 Units / 17% ROI)
  • The Kansas City Royals have hit the Moneyline in 22 of their last 30 games at home (+13.65 Units / 36% ROI)
  • The Kansas City Royals have hit the 1st Five Innings (F5) Moneyline in 17 of their last 30 games at home (+8.80 Units / 22% ROI)
  • The Kansas City Royals have covered the 1st Five Innings (F5) Run Line in 13 of their last 18 games at home (+7.45 Units / 34% ROI)
  • The Kansas City Royals have hit the 1st Five Innings (F5) Team Total Over in 12 of their last 17 games (+5.80 Units / 26% ROI)

Mariners Against the Spread (ATS) Record

Against the spread this season, the Mariners are 32-32 against the Run Line (-3.2 Units / -3.78% ROI).

  • 36-28 when betting on the Moneyline for +1.9 Units / 2.33% ROI
  • 22-39 when betting on the total runs Over for -20.3 Units / -29.68% ROI
  • 39-22 when betting on the total runs Under for +14.2 Units / 20.17% ROI

Royals Against the Spread (ATS) Record

Against the spread this season, the Royals are 39-24 against the Run Line (+10.44 Units / 11.81% ROI).

  • 37-26 when betting on the Moneyline for +12.45 Units / 16.84% ROI
  • 27-33 when betting on the total runs Over for -9.3 Units / -13.64% ROI
  • 33-27 when betting on the total runs Under for +3.2 Units / 4.69% ROI

Royals vs Mariners Home Run Prop Bets Today

Over Under
Dylan Moore (SEA) 0.5 +280 0.5 -350
Cal Raleigh (SEA) 0.5 +290 0.5 -375
Salvador Perez (KC) 0.5 +333 0.5 -450
Mitch Garver (SEA) 0.5 +350 0.5 -450
Julio Rodriguez (SEA) 0.5 +375 0.5 -500

Royals vs Mariners Total Hits Prop Bets Today

Over Under
Vinnie Pasquantino (KC) 0.5 -275 0.5 +195
Dylan Moore (SEA) 0.5 -250 0.5 +180
Ty France (SEA) 0.5 -250 0.5 +175
J.P. Crawford (SEA) 0.5 -225 0.5 +170
Mitch Haniger (SEA) 0.5 -225 0.5 +165

Royals vs Mariners RBI Prop Bets Today

Over Under
Salvador Perez (KC) 0.5 +110 0.5 -145
Cal Raleigh (SEA) 0.5 +110 0.5 -145
Vinnie Pasquantino (KC) 0.5 +125 0.5 -160
Dylan Moore (SEA) 0.5 +130 0.5 -165
Julio Rodriguez (SEA) 0.5 +130 0.5 -165

Royals vs Mariners Strikeout Prop Bets Today

Over Under
Bryce Miller (SEA) 4.5 -115 4.5 -110
Daniel Lynch (KC) 4.5 +120 4.5 -155

Bryce Miller has thrown fastballs 82% of the time (179/219) when he’s behind in the count this season — highest among among AL Starters; League Avg: 48% — 100th Percentile.

Bryce Miller has a strikeout rate of 50% (9 SO in 18 PAs) when going through the lineup the first time in a game over the last 14 days — tied for best among AL Starters over the last two weeks; League Avg: 26% — 100th Percentile.

Bryce Miller allowed a batting average of just .200 vs right-handed batters (eighth best)– 94th Percentile and .303 vs left-handed batters last season (tied for sixth worst among non-qualified SPs)– seventh Percentile.

Left-handed batters are hitting just .175 (24-for-137) against Bryce Miller this season — 5th best among qualified SPs in MLB; League Avg: .235 — 93rd Percentile.

Royals Starting Pitcher Stats & Trends

Opponents are hitting .437 (45-for-103) against Daniel Lynch on the first pitch of at-bats since the 2022 season — 2nd highest in MLB among starting pitchers with at least 153 total IP; League Avg: .343 — first Percentile.

Daniel Lynch’s highest spin rate on two-strike changeups since the 2022 season is 1910.0 RPM — 10th fewest in MLB among starting pitchers with at least 153 total IP; League Avg: 2294.9

Opponents are hitting .290 (49-for-169) against Daniel Lynch’s elevated fastball since the 2022 season — 10th highest in MLB among starting pitchers with at least 153 total IP; League Avg: .223 — seventh Percentile.

Daniel Lynch has allowed a slugging percentage of .509 (82 Total Bases / 161 ABs) when going through the lineup the third time in a game since the 2022 season — 13th highest in MLB among starting pitchers with at least 153 total IP; League Avg: .434 — 10th Percentile.

Mariners Keys to the Game vs. the Royals

The Mariners are 165-6 (.965) when leading entering the 8th inning since the 2022 season — best in MLB; League Avg: .904.

The Mariners are 56-9 (.862) when they’ve had 10 or more hits since the 2023 season — tied for best in MLB; League Avg: .737.

The Mariners are 175-3 (.983) when leading entering the 9th inning since the 2022 season — best in MLB; League Avg: .950.

The Mariners are 37-39 (.487) after a win as underdogs since the 2022 season — 4th best in MLB; League Avg: .413.

Royals Keys to the Game vs. the Mariners

The Royals are just 16-90 (.151) when their opponents score in the first inning since the 2022 season — lowest in MLB; League Avg: .365.

The Royals are just 23-51 (.311) after a road win since the 2022 season — lowest in MLB; League Avg: .489.

The Royals are just 15-30 (.333) after a road win since the 2023 season — 2nd lowest in MLB; League Avg: .486.

The Royals are just 12-49 (.197) when their opponents score in the first inning since the 2023 season — lowest in MLB; League Avg: .384.

Mariners hitters have 477 strikeouts in 1,698 PA’s (28%) against RHP this season — highest in MLB; League Avg: 22%.

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

The Mariners are batting just .220 this season — 2nd lowest in MLB; League Avg: .240.

Mariners hitters have 1,658 strikeouts in 6,275 PA’s (26%) against RHP since last season — highest in MLB; League Avg: 23%.

Royals hitters have an OBP of .393 (281 PA’s) when facing the starting pitcher for the 3rd time in a game this season — best in MLB; League Avg: .331.

The Royals are batting .335 when facing the starting pitcher for the 3rd time in a game this season — best in MLB; League Avg: .266.

The Royals have won just 52% of games in which they have scored in at least three different innings on the road since the 2022 season — 2nd lowest in MLB; League Avg: 72%.

Royals hitters have just 102 strikeouts in 537 PA’s (19%) against LHP this season — 5th best in MLB; League Avg: 22%.

Mariners pitchers have allowed an OBP of just .232 (565 PA’s) when facing the leadoff batter in the inning this season — best in MLB; League Avg: .301.

Mariners pitchers have walked 19 of 438 batters (4%) over the last 14 days — best in MLB; League Avg: 8%.

Mariners pitchers have walked 27 of 565 batters (5%) when facing the leadoff batter in the inning this season — best in MLB; League Avg: 8%.

Mariners pitchers have walked 149 of 2,266 batters (7%) this season — best in MLB; League Avg: 8%.

The Royals won just 18% of games in which their opponents scored first in the 2023 season — lowest in MLB; League Avg: 34%.

The Royals won just 17% of home games in which their opponents scored first in the 2023 season — lowest in MLB; League Avg: 37%.

Opponents have a miss rate of just 24% against Royals pitchers since the 2022 season — 4th lowest in MLB; League Avg: 26%.

Royals pitchers have a strikeout rate of just 20% since the 2022 season — 4th lowest in MLB; League Avg: 23%.

Royals vs. Mariners Injuries Tonight That May Affect Prop Bets 

  • Kyle Wright (Kansas City Royals): Shoulder, 60-Day IL
  • Austin Cox (Kansas City Royals): Knee, Day-To-Day
  • Michael Massey (Kansas City Royals): Back, 10-Day IL
  • Jake Brentz (Kansas City Royals): Hamstring, 15-Day IL
  • Josh Taylor (Kansas City Royals): Biceps, 15-Day IL
  • Carlos Hernandez (Kansas City Royals): Shoulder, 15-Day IL
  • Kris Bubic (Kansas City Royals): Elbow, 60-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 editors and authors are sports experts with a wealth of knowledge of the sports industry at all levels. Their coverage includes sports news, previews and predictions, fun facts, and betting.