- The Mariners are -140 favorites vs the Royals
- Mariners vs Royals Over / Under today: 8.5 Runs
- Mariners / Royals TV Channel: RTNW | BSKC
The Seattle Mariners (-130) visit Ewing M. Kauffman Stadium to take on the Kansas City Royals (+110) on Saturday, June 8, 2024. First pitch is scheduled for 4:10pm EDT in Kansas City, MO.
This season, the Mariners are 36-29 against the spread (ATS), while the Royals are 40-24 ATS.
Mariners vs Royals Starting Pitchers Today:
- Mariners starting pitcher: Luis Castillo 5-6, 2.99 ERA
- Royals starting pitcher: Alec Marsh 4-3, 3.77 ERA
Mariners vs. Royals Odds, Run Line, Over/Under & Moneyline
| Spread | Over / Under | Moneyline | |
| Mariners | -1.5 +125 | O 8.5 -105 | -130 |
| Royals | +1.5 -150 | U 8.5 -115 | +110 |
Mariners vs Royals Prediction for Today’s Game
Based on recent trends the model predicts the Mariners will win Saturday‘s MLB game with 57.5% 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:
- Ty France has hit the Home Runs Over in 5 of his last 23 games (+15.90 Units / 69% ROI)
- J.P. Crawford has hit the Total Bases Over in 24 of his last 33 games (+14.00 Units / 28% ROI)
- Mitch Haniger has hit the Singles Over in 13 of his last 18 games (+12.25 Units / 68% ROI)
- Mitch Haniger has hit the Hits Over in 16 of his last 18 games (+11.85 Units / 39% ROI)
- Mitch Haniger has hit the Runs Under in 17 of his last 21 games (+10.10 Units / 28% ROI)
And here are some favorite MLB player prop bets for Royals players for Saturday‘s game, looking at profitable historical betting trends:
Best Royals Player Prop Best Bets Today:
- MJ Melendez has hit the Singles Under in 23 of his last 28 games (+14.15 Units / 28% ROI)
- Nelson Velazquez has hit the Home Runs Over in 4 of his last 12 games (+13.20 Units / 110% ROI)
- Bobby Witt Jr. has hit the RBIs Over in 22 of his last 41 games (+12.90 Units / 31% ROI)
- MJ Melendez has hit the Hits Under in 18 of his last 28 games (+12.70 Units / 45% ROI)
- MJ Melendez has hit the Hits Runs and RBIs Under in 20 of his last 28 games (+11.20 Units / 31% ROI)
Mariners Best Bets Today:
- The Seattle Mariners have hit the 1st Five Innings (F5) Team Total Under in 20 of their last 32 games (+7.35 Units / 19% ROI)
- The Seattle Mariners have hit the Game Total Under in 26 of their last 44 games (+6.80 Units / 14% ROI)
- The Seattle Mariners have hit the Moneyline in 9 of their last 12 games (+4.95 Units / 28% ROI)
- The Seattle Mariners have covered the 1st Five Innings (F5) Run Line in 6 of their last 7 games (+4.80 Units / 59% ROI)
- The Seattle Mariners have covered the Run Line in 29 of their last 53 games (+4.65 Units / 7% ROI)
Royals Best Bets Today:
- The Kansas City Royals have covered the Run Line in 39 of their last 60 games (+15.04 Units / 18% ROI)
- The Kansas City Royals have hit the Moneyline in 23 of their last 31 games at home (+14.65 Units / 37% ROI)
- The Kansas City Royals have hit the 1st Five Innings (F5) Moneyline in 17 of their last 31 games at home (+7.80 Units / 19% ROI)
- The Kansas City Royals have hit the 1st Five Innings (F5) Team Total Over in 13 of their last 18 games (+6.80 Units / 29% ROI)
- The Kansas City Royals have hit the Game Total Over in 12 of their last 17 games (+6.40 Units / 34% ROI)
Mariners Against the Spread (ATS) Record
Against the spread this season, the Mariners are 32-33 against the Run Line (-4.2 Units / -4.9% ROI).
- 36-29 when betting on the Moneyline for +0.7 Units / 0.84% ROI
- 23-39 when betting on the total runs Over for -19.3 Units / -27.77% ROI
- 39-23 when betting on the total runs Under for +13.1 Units / 18.32% ROI
Royals Against the Spread (ATS) Record
Against the spread this season, the Royals are 40-24 against the Run Line (+11.44 Units / 12.73% ROI).
- 38-26 when betting on the Moneyline for +13.45 Units / 17.95% ROI
- 28-33 when betting on the total runs Over for -8.3 Units / -11.98% ROI
- 33-28 when betting on the total runs Under for +2.1 Units / 3.03% ROI
Royals vs Mariners Home Run Prop Bets Today
| Over | Under | |
|---|---|---|
| Cal Raleigh (SEA) | 0.5 +290 | 0.5 -375 |
| Salvador Perez (KC) | 0.5 +400 | 0.5 -550 |
| Vinnie Pasquantino (KC) | 0.5 +450 | 0.5 -650 |
| MJ Melendez (KC) | 0.5 +450 | 0.5 -650 |
| Julio Rodriguez (SEA) | 0.5 +475 | 0.5 -650 |
Royals vs Mariners Total Hits Prop Bets Today
| Over | Under | |
|---|---|---|
| Vinnie Pasquantino (KC) | 0.5 -275 | 0.5 +200 |
| Maikel Garcia (KC) | 0.5 -275 | 0.5 +200 |
| Josh Rojas (SEA) | 0.5 -250 | 0.5 +190 |
| J.P. Crawford (SEA) | 0.5 -250 | 0.5 +180 |
| Ty France (SEA) | 0.5 -250 | 0.5 +180 |
Royals vs Mariners RBI Prop Bets Today
| Over | Under | |
|---|---|---|
| Cal Raleigh (SEA) | 0.5 +110 | 0.5 -150 |
| Vinnie Pasquantino (KC) | 0.5 +130 | 0.5 -165 |
| Salvador Perez (KC) | 0.5 +135 | 0.5 -175 |
| Julio Rodriguez (SEA) | 0.5 +140 | 0.5 -185 |
| Bobby Witt Jr. (KC) | 0.5 +160 | 0.5 -210 |
Royals vs Mariners Strikeout Prop Bets Today
| Over | Under | |
|---|---|---|
| Luis Castillo (Sea) | 4.5 -160 | 4.5 +125 |
| Alec Marsh (KC) | 5.5 +110 | 5.5 -145 |
| Luis Castillo (Sea) | 5.5 +125 | 5.5 -160 |
Mariners Starting Pitcher Stats & Trends
Right-handed hitters have a miss rate of 34% (123/360) against Luis Castillo this season — 2nd best among qualified SPs in MLB; League Avg: 26% — 98th Percentile.
Luis Castillo has allowed a slugging percentage of .495 (53 Total Bases / 107 ABs) when going through the lineup the second time in a game this season — 9th highest among qualified SPs in MLB; League Avg: .362 — 11th Percentile.
Luis Castillo has thrown fastballs 65% of the time (452/701) against right-handed batters this season — 3rd highest among among AL Starters; League Avg: 46% — 94th Percentile.
Luis Castillo has thrown fastballs 58% of the time (1,344/2,331) vs left-handed batters since last season — highest among qualified SPs in MLB; League Avg: 45% — 100th Percentile.
Royals Starting Pitcher Stats & Trends
Alec Marsh has walked 32 of 231 batters (14%) when going through the lineup the second time in a game since last season — 3rd highest in MLB among starting pitchers with at least 89 total IP; League Avg: 7% — second Percentile.
Alec Marsh has struck out just 8% (2/26) of left-handed batters he faced — lowest in MLB over the last two weeks; League Avg: 22% — first Percentile.
Alec Marsh has allowed an OBP of .444 (18 PA’s) when going through the lineup the second time in a game over the last 14 days — tied for 2nd highest among AL Starters over the last two weeks; League Avg: .261 — sixth Percentile.
Opponents have a line drive rate of 33% (20/61) against Alec Marsh on inside fastballs since last season — 4th highest in MLB among starting pitchers with at least 89 total IP; League Avg: 23% — second Percentile.
Mariners Keys to the Game vs. the Royals
The Mariners are 26-1 (.963) when leading entering the 8th inning this season — tied for 4th best in MLB; League Avg: .889.
The Mariners are just 1-13 (.071) when allowing 10 or more hits this season — 4th lowest in MLB; League Avg: .237.
The Mariners are 165-7 (.959) when leading entering the 8th inning since the 2022 season — best in MLB; League Avg: .904.
The Mariners are 50-7 (.877) when they’ve had 5 or more XBH since the 2022 season — 3rd best in MLB; League Avg: .795.
Royals Keys to the Game vs. the Mariners
The Royals are just 17-90 (.159) when their opponents score in the first inning since the 2022 season — lowest in MLB; League Avg: .364.
The Royals are 15-3 (.833) after a home win this season — best in MLB; League Avg: .522.
The Royals are just 23-51 (.311) after a road win since the 2022 season — lowest in MLB; League Avg: .488.
The Royals are just 42-18 (.700) when they’ve had 5 or more XBH since the 2022 season — 2nd lowest in MLB; League Avg: .795.
Mariners Hitting Stats & Trends
Mariners hitters have put just 32% of their swings in play with two-strikes this season — lowest in MLB; League Avg: 37%.
The Mariners are batting just .125 on pitches out of the zone since the 2022 season — 2nd lowest in MLB; League Avg: .154.
Mariners hitters have put just 33% of their swings in play with two-strikes since last season — lowest in MLB; League Avg: 37%.
The Mariners are batting just .221 this season — 3rd lowest in MLB; League Avg: .240.
Royals Hitting Stats & Trends
Royals hitters have an OBP of .400 (286 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 .336 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 48% of games in which they have scored in at least three different innings on the road since last season — lowest in MLB; League Avg: 71%.
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%.
Mariners Pitching Stats & Trends
Mariners pitchers have allowed an OBP of just .235 (574 PA’s) when facing the leadoff batter in the inning this season — best in MLB; League Avg: .300.
Opponents have a groundball rate of just 40% against Mariners pitchers this season — 4th lowest in MLB; League Avg: 43%.
Opponents have a miss rate of 27% against Mariners pitchers since last season — 4th best in MLB; League Avg: 26%.
Mariners pitchers have an ERA of 3.21 (1780.0 IP) at home since the 2022 season — best in MLB; League Avg: 4.01.
Royals Pitching Stats & Trends
The Royals won just 18% of games in which their opponents scored first in the 2023 season — lowest in MLB; League Avg: 34%.
Royals pitchers have a strikeout rate of just 18% in late innings this season — 2nd lowest in MLB; League Avg: 23%.
Royals pitchers have a strikeout rate of just 39% with two-strikes since the 2022 season — 5th lowest in MLB; League Avg: 42%.
Opponents have a miss rate of just 23% against Royals pitchers this season — 4th lowest in MLB; League Avg: 25%.
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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