Royals vs Red Sox Prediction, Odds & Player Prop Bets Today – MLB, Sep 13

Boston Red Sox's Jarren Duran plays against the Toronto Blue Jays during the first inning of a baseball game, Saturday, Aug. 5, 2023, in Boston.
(AP Photo/Michael Dwyer)
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  • The Red Sox are -190 favorites vs the Royals
  • Royals vs Red Sox Over / Under today: 7.5 Runs
  • Royals / Red Sox TV Channel: NESN | RYTV

The Kansas City Royals (+154) visit Fenway Park to take on the Boston Red Sox (-190) on September 13, 2026. First pitch is scheduled for 3:05 pm in Boston, MA.

This season, the Royals are 66-83 against the spread (ATS), while the Red Sox are 71-74 ATS.

Royals vs Red Sox Starting Pitchers Today:

  • Royals starting pitcher: Noah Cameron 9-8, 3.92 ERA
  • Red Sox starting pitcher: Payton Tolle 9-6, 3.17 ERA

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

SpreadOver / UnderMoneyline
Royals+1.5 -145O 7.5 -120+154
Red Sox -1.5 +120U 7.5 +100-190

Royals vs Red Sox Prediction for Today’s Game

Based on recent trends the model predicts the Red Sox will win Sunday‘s MLB game with 62.2% 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 Royals players for Sunday‘s game, looking at profitable historical betting trends:

Best Royals Player Prop Bets Today:

  • Salvador Perez has hit the Runs Under in 18 of his last 20 away games (+15.00 Units / 40% ROI)
  • Salvador Perez has hit the RBIs Over in 15 of his last 25 games (+13.95 Units / 56% ROI)
  • Carter Jensen has hit the Home Runs Over in 4 of his last 9 games (+13.90 Units / 154% ROI)
  • Salvador Perez has hit the Hits Over in 21 of his last 25 games (+12.80 Units / 25% ROI)
  • Carter Jensen has hit the Singles Under in 20 of his last 25 away games (+11.90 Units / 30% ROI)

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

Best Red Sox Player Prop Best Bets Today:

  • Trevor Story has hit the Hits Over in 21 of his last 25 games (+12.95 Units / 26% ROI)
  • Adley Rutschman has hit the Walks Over in 14 of his last 25 games at home (+10.65 Units / 43% ROI)
  • Jarren Duran has hit the Home Runs Over in 3 of his last 10 games at home (+10.50 Units / 105% ROI)
  • Trevor Story has hit the Total Bases Over in 12 of his last 15 games (+10.05 Units / 50% ROI)
  • Adley Rutschman has hit the RBIs Over in 11 of his last 20 games at home (+9.45 Units / 47% ROI)
  • The Kansas City Royals have hit the Team Total Under in 24 of their last 35 away games (+12.10 Units / 30% ROI)
  • The Kansas City Royals have covered the Run Line in 30 of their last 50 games (+10.50 Units / 16% ROI)
  • The Kansas City Royals have hit the Game Total Under in 28 of their last 50 games (+8.45 Units / 15% ROI)
  • The Kansas City Royals have hit the Moneyline in 16 of their last 25 games (+7.75 Units / 26% ROI)
  • The Kansas City Royals have hit the 1st Five Innings (F5) Moneyline in 12 of their last 21 games (+7.25 Units / 30% ROI)
  • The Boston Red Sox have hit the 1st Five Innings (F5) Team Total Under in 15 of their last 19 games (+11.05 Units / 50% ROI)
  • The Boston Red Sox have hit the Team Total Over in 23 of their last 35 games at home (+9.65 Units / 23% ROI)
  • The Boston Red Sox have hit the Game Total Under in 7 of their last 8 games (+6.00 Units / 69% ROI)
  • The Boston Red Sox have covered the 1st Five Innings (F5) Run Line in 21 of their last 35 games at home (+5.65 Units / 14% ROI)
  • The Boston Red Sox have covered the Run Line in 22 of their last 45 games at home (+3.30 Units / 6% ROI)

Royals Against the Spread (ATS) Record

Against the spread this season, the Royals are 72-71 against the Run Line (-16.55 Units / -8.06% ROI).

  • 66-83 when betting on the Moneyline for -16.35 Units / -9.85% ROI
  • 66-78 when betting on the total runs Over for -19.45 Units / -11.85% ROI
  • 78-66 when betting on the total runs Under for +6.05 Units / 3.7% ROI

Red Sox Against the Spread (ATS) Record

Against the spread this season, the Red Sox are 71-74 against the Run Line (-0.3 Units / -0.17% ROI).

  • 81-68 when betting on the Moneyline for -5.7 Units / -2.87% ROI
  • 69-76 when betting on the total runs Over for -15.35 Units / -9.31% ROI
  • 76-69 when betting on the total runs Under for +0.25 Units / 0.15% ROI

Royals Keys to the Game vs. the Red Sox

The Royals are just 56-8 (.875) when leading entering the 9th inning this season — 4th lowest in MLB.

The Royals are just 27-47 (.365) on the road this season — 4th lowest in MLB.

The Royals are just 63-70 (.474) when allowing 5 or more extra base hits this season — 5th lowest in MLB.

The Royals are just 8-32 (.200) when allowing 2 or more home runs this season — 4th lowest in MLB.

Red Sox Keys to the Game vs. the Royals

The Red Sox are 68-2 (.971) when leading entering the 8th inning this season — 3rd best in MLB.

The Red Sox are 48-32 (.600) after a win this season — 4th best in MLB.

The Red Sox are 60-5 (.923) when leading entering the 7th inning this season — 5th best in MLB.

The Red Sox are 139-6 (.959) when leading entering the 8th inning since the 2025 season — best in MLB.

Royals hitters have put 40% of their swings in play on the first pitch of at-bats this season — highest in MLB.

Royals hitters are slugging just .369 on the road this season — 4th lowest in MLB.

Royals hitters have an OBP of just .300 (2,804 PA’s) on the road this season — tied for 2nd lowest in MLB.

Royals hitters are slugging just .190 on pitches out of the zone this season — tied for 3rd lowest in MLB.

The Red Sox have a winning percentage of 59% on the road this season — tied for 2nd best in MLB.

The Red Sox are batting .253 against LHP this season — tied for 5th best in MLB.

The Red Sox are batting .175 on pitches out of the zone this season — tied for 2nd best in MLB.

The Red Sox are batting .282 in lefty-lefty matchups this season — best in MLB.

Royals pitchers have a strikeout rate of just 38% with two-strikes this season — 2nd lowest in MLB.

Royals pitchers have a strikeout rate of just 18% in late innings this season — lowest in MLB.

Royals pitchers have a strikeout rate of just 19% in close and late situations this season — tied for lowest in MLB.

Royals pitchers have allowed a run 35% of the time after their offense scores this season — 2nd highest in MLB.

Red Sox pitchers have walked 8% of batters this season — 3rd best in MLB.

Red Sox pitchers have walked 6% of batters when facing the leadoff batter in the inning this season — tied for 2nd best in MLB.

Red Sox pitchers have allowed a run just 24% of the time after their offense scores this season — lowest in MLB.

The Red Sox have allowed 3.60 runs per game (270/75) on the road this season — 3rd best in MLB.

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.