Guardians vs Royals Prediction, Odds & Player Prop Bets Today – MLB, Sep 18

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Kansas City Royals' MJ Melendez bats during the first inning of a baseball game against the Los Angeles Angels Saturday, June 17, 2023, in Kansas City, Mo.
(AP Photo/Charlie Riedel)
BetMGM Betting @BETMGM Sep 18, 2023, 3:30 PM
  • The Guardians are -130 favorites vs the Royals
  • Guardians starting pitcher: Cal Quantrill
  • Royals starting pitcher: Brady Singer
  • Watch the game on MLB Network

The Cleveland Guardians (-130) visit Kauffman Stadium to take on the Kansas City Royals (+105) on Monday, September 18, 2023. First pitch is scheduled for 2:10pm EDT in Kansas City.

The Guardians are the betting favorite in this game, with the run line sitting at -1.5 (+125).

The Guardians vs Royals Over/Under is 9.5 total runs for the game.

This season, the Guardians are 72-78 against the spread (ATS), while the Royals are 64-86 ATS.

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

SpreadOver / UnderMoneyline
Guardians-1.5 +125O 9.5 -105-130
Royals +1.5 -155U 9.5 -115+105

Guardians vs Royals Prediction for Today’s Game

Based on recent trends the model predicts the Guardians will win Monday‘s MLB matchup with 57.5% confidence.

This prediction factors in starting pitchers, recent team and player hitting performances, the last 5 games for both the Guardians and Royals and up-to-date player injuries.


Bet now on Guardians vs Royals and all games with BetMGM


We’ve highlighted some favorite MLB player prop bets for Guardians players for Monday‘s game, looking at profitable historical betting trends:

Best Guardians Player Prop Bets Today:

  • Cal Quantrill has hit the Strikeouts Under in 14 of his last 16 games (+11.45 Units / 45% ROI)
  • Gabriel Arias has hit the Singles Under in 13 of his last 14 away games (+11.40 Units / 47% ROI)
  • Tanner Bibee has hit the Earned Runs Under in 17 of his last 22 games (+10.50 Units / 39% ROI)
  • Jose Ramirez has hit the Hits Over in 11 of his last 13 games (+9.95 Units / 34% ROI)
  • Tyler Freeman has hit the Runs Under in 14 of his last 16 away games (+9.75 Units / 28% ROI)

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

Best Royals Player Prop Best Bets Today:

  • Jordan Lyles has hit the Earned Runs Over in 23 of his last 28 games (+16.10 Units / 41% ROI)
  • Bobby Witt Jr. has hit the Total Bases Over in 30 of his last 49 games (+11.95 Units / 23% ROI)
  • Nelson Velazquez has hit the Runs Over in 14 of his last 22 games at home (+11.45 Units / 52% ROI)
  • Bobby Witt Jr. has hit the Hits Runs and RBIs Over in 32 of his last 49 games (+10.85 Units / 16% ROI)
  • Bobby Witt Jr. has hit the RBIs Over in 13 of his last 23 games at home (+9.90 Units / 43% ROI)

Royals vs Guardians Home Run Prop Bets Today

Over Under
Nick Pratto 0.5 +725 0.5 -2500
Will Brennan 0.5 +950 0.5 -10000
Logan Porter 0.5 +575 0.5 -1600
Steven Kwan 0.5 +1050 0.5
Bobby Witt Jr. 0.5 +375 0.5 -650

Royals vs Guardians Total Hits Prop Bets Today

Over Under
Nick Pratto 0.5 -130 0.5 +100
Will Brennan 1.5 +165 1.5 -225
Logan Porter 0.5 -210 0.5 +155
Steven Kwan 1.5 +125 1.5 -160
Bobby Witt Jr. 1.5 +130 1.5 -175

Royals vs Guardians RBI Prop Bets Today

Over Under
Nick Pratto 0.5 +230 0.5 -350
Will Brennan 0.5 +160 0.5 -225
Logan Porter 0.5 +200 0.5 -275
Steven Kwan 0.5 +165 0.5 -225
Bobby Witt Jr. 0.5 +115 0.5 -155

Royals vs Guardians Strikeout Prop Bets Today

Over Under
Brady Singer 3.5 -110 3.5 -120
Cal Quantrill 3.5 -135 3.5 +105
  • The Cleveland Guardians have hit the Game Total Under in 79 of their last 134 games (+22.10 Units / 15% ROI)
  • The Cleveland Guardians have covered the Run Line in 61 of their last 108 games (+12.65 Units / 9% ROI)
  • The Cleveland Guardians have hit the Team Total Over in 20 of their last 33 away games (+4.89 Units / 13% ROI)
  • The Cleveland Guardians have hit the 1st Five Innings (F5) Team Total Over in 14 of their last 23 games (+4.34 Units / 16% ROI)
  • The Cleveland Guardians have hit the Moneyline in 12 of their last 22 games (+3.75 Units / 16% ROI)
  • The Kansas City Royals have hit the 1st Five Innings (F5) Moneyline in 19 of their last 33 games at home (+11.33 Units / 32% ROI)
  • The Kansas City Royals have covered the 1st Five Innings (F5) Run Line in 22 of their last 33 games at home (+10.10 Units / 26% ROI)
  • The Kansas City Royals have hit the Game Total Over in 15 of their last 24 games at home (+8.30 Units / 31% ROI)
  • The Kansas City Royals have hit the Moneyline in 18 of their last 35 games at home (+7.50 Units / 20% ROI)
  • The Kansas City Royals have covered the Run Line in 20 of their last 33 games at home (+7.30 Units / 20% ROI)

Guardians Against the Spread (ATS) Record

Against the spread this MLB season, the Guardians have gone 77-73 against the Run Line (+0.4 Units / 0.21% ROI).

  • 72-78 when betting on the Moneyline for -15.75 Units / -8.46% ROI
  • 61-85 when betting on the total runs Over for -33.05 Units / -19.98% ROI
  • 85-61 when betting on the total runs Under for +18.25 Units / 11.06% ROI

Royals Against the Spread (ATS) Record

Against the spread this MLB season, the Royals have gone 64-86 against the Run Line (-34.85 Units / -19.32% ROI).

  • 48-102 when betting on the Moneyline for -35.9 Units / -22.98% ROI
  • 72-72 when betting on the total runs Over for -8.25 Units / -4.96% ROI
  • 72-72 when betting on the total runs Under for -7.3 Units / -4.45% ROI

Cal Quantrill has struck out just 7% (15/205) of right-handed batters he faced this season — lowest in MLB among starting pitchers with at least 58 total IP; League Avg: 23% — 0 Percentile.

Right-handed hitters have a miss rate of just 14% (161/1,134) against Cal Quantrill since last season — lowest in MLB among starting pitchers with at least 123 total IP; League Avg: 26% — 0 Percentile.

Opponents are hitting just .218 (12-for-55) against Cal Quantrill on the first pitch of at-bats this season — 2nd best in MLB among starting pitchers with at least 58 total IP; League Avg: .354 — 99th Percentile.

36 of Cal Quantrill’s 120 breaking pitch strikeouts (30%) have been backdoor since the 2021 season — 2nd highest in MLB among starting pitchers with at least 188 total IP; League Avg: 13% — 98th Percentile.

Royals Starting Pitcher Stats & Trends

Right-handed batters are hitting .321 (84-for-262) against Brady Singer this season — highest among qualified SPs in MLB; League Avg: .242 — second Percentile.

Opponents are hitting .372 (29-for-78) against Brady Singer on low fastballs this season — highest among qualified SPs in MLB; League Avg: .260 — second Percentile.

Brady Singer has allowed a slugging percentage of .615 (48 Total Bases / 78 ABs) on low fastballs this season — highest among qualified SPs in MLB; League Avg: .401 — second Percentile.

Brady Singer has allowed an OPS of .800 (677 PA’s) this season — 5th highest among qualified SPs in MLB; League Avg: .704 — ninth Percentile.

Guardians Keys to the Game vs. the Royals

The Guardians are 34-107 (.241) when trailing entering the 7th inning since last season — best in MLB; League Avg: .130.

The Guardians are just 5-15 (.250) when tied entering the 8th inning this season — 2nd lowest in MLB; League Avg: .500.

The Guardians are 18-50 (.265) when trailing entering the 7th inning this season — best in MLB; League Avg: .142.

The Guardians are 23-114 (.168) when trailing entering the 8th inning since last season — best in MLB; League Avg: .093.

Royals Keys to the Game vs. the Guardians

The Royals are just 9-83 (.098) when their opponents score in the first inning since last season — lowest in MLB; League Avg: .363.

The Royals are just 32-29 (.525) when allowing 4 or fewer runs this season — lowest in MLB; League Avg: .734.

The Royals are just 5-42 (.106) when their opponents score in the first inning this season — lowest in MLB; League Avg: .390.

The Royals are just 39-66 (.371) vs bottom 10 scoring offenses since last season — lowest in MLB; League Avg: .573.

team hitters – away

The Royals are batting just .211 with two outs this season — 2nd lowest in MLB; League Avg: .238.

Royals hitters have an OBP of just .283 (2,745 PA’s) on the road this season — lowest in MLB; League Avg: .316.

The Royals are just 9-83 (.098) when their opponents score in the first inning since last season — lowest in MLB; League Avg: .363.

The Royals are just 32-29 (.525) when allowing 4 or fewer runs this season — lowest in MLB; League Avg: .734.

Guardians pitchers have allowed an exit velocity over 110 MPH 98 times since last season — 3rd fewest in MLB.

Guardians pitchers have allowed 162 home runs this season — 5th fewest in MLB.

Guardians pitchers have an ERA of 3.38 (1093.2 IP) against division opponents since last season — tied for 3rd best in MLB; League Avg: 4.12.

Guardians pitchers have an ERA of 3.62 (681.0 IP) at home this season — tied for 4th best in MLB; League Avg: 4.24.

Opponents have a miss rate of just 24% against Royals pitchers since last season — tied for 5th lowest in MLB; League Avg: 26%.

Royals pitchers have a strikeout rate of just 18% with runners in scoring position since last season — lowest in MLB; League Avg: 22%.

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

Opponents have a groundball batting average of .285 against Royals pitchers with runners on base since last season — 2nd highest in MLB; League Avg: .253.

Royals vs. Guardians Injuries Tonight That May Affect Prop Bets 

  • Daniel A. Lynch (Royals): Shoulder, D60
  • Vincent Pasquantino (Royals): Shoulder, D60
  • Kristofer Bubic (Royals): Flexor, D60
  • John McMillon (Royals): Forearm, D15
  • Jacob Brentz (Royals): Elbow, D60
  • Salvador Perez (Royals): Concussion, D7
  • Freddy Fermin (Royals): Finger, D60
  • Joshua Staumont (Royals): Neck, D60
  • Austin Cox (Royals): Knee, D60
  • Josh Taylor (Royals): Shoulder, D60
  • Michael Kelly (Guardians): Back, D15
  • Shane Bieber (Guardians): Elbow, D60
  • Triston McKenzie (Guardians): Elbow, D60
  • Tanner Bibee (Guardians): Hip, D15

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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.