← Back to today’s slate MLB matchup · September 13, 2026
Kansas City Royals
66-83 · 5th in AL Central, 10.5 GB
Steady at the plate
LHP Noah Cameron · Balanced starter
@
Boston Red Sox
81-68 · 3rd in AL East, 8.5 GB
Offense cooling lately
LHP Payton Tolle · Elite strikeout stuff · plus control
MLB · Fenway Park · 12:05 PM PT

Team Identity

Kansas City Royals
Season-to-date, 149 games, 5,817 PA.
An aggressive offense that runs and pressures defenses on the bases, though it can be inconsistent with runners in scoring position.
Power
Average54
Contact
Average65
Plate Discipline
Well Below22
Speed
Above Avg75
RISP
Well Below14
Recent Form
Holding Steady
Recent underlying offense is roughly in line with its season baseline.
Boston Red Sox
Season-to-date, 149 games, 5,871 PA.
A contact-oriented offense that puts the ball in play and avoids empty at-bats. The offense has cooled off recently.
Power
Average53
Contact
Above Avg68
Plate Discipline
Below Avg33
Speed
Average47
RISP
Below Avg37
Recent Form
Trending Down
Hit rate is down 6% over the team's last 10 games versus its season baseline.

What This Game Is About

Biggest Advantage

Red Sox bring the more contact-oriented profile, while Royals lean on being aggressive.

Swing Factor

Payton Tolle strikes hitters out at a 28.1% clip (89th percentile); Royals carry a 19.9% strikeout rate.

Momentum

Royals are holding steady and Red Sox are trending down over their last 10 games.

Key Matchups

Can Payton Tolle miss enough bats?
Payton Tolle strikes hitters out at a 28.1% clip (89th percentile); Royals carry a 19.9% strikeout rate.
Edge · RoyalsPayton Tolle: 28.1% K rateRoyals: 19.9% K rateHigh confidence
Can Payton Tolle command the strike zone?
Royals walk in 8.1% of trips; Payton Tolle allows walks sparingly (6.5%).
Edge · Payton TolleRoyals: 8.1% walk ratePayton Tolle: 6.5% walks allowedHigh confidence
Can Noah Cameron miss enough bats?
Noah Cameron strikes hitters out at a 21.3% clip (49th percentile); Red Sox carry a 20.6% strikeout rate.
Edge · Red SoxNoah Cameron: 21.3% K rateRed Sox: 20.6% K rateHigh confidence
Can Noah Cameron command the strike zone?
Red Sox walk in 8.1% of trips; Noah Cameron allows walks sparingly (7.5%).
Edge · Noah CameronRed Sox: 8.1% walk rateNoah Cameron: 7.5% walks allowedHigh confidence
How do Red Sox handle left-handers?
Red Sox have produced better against left-handers this season (0.359 vs. 0.344 TB/PA overall).
Edge · Red Soxvs left-handers: 0.359 TB/PA (1491 PA)overall: 0.344 TB/PAModerate confidence

Pitcher Trends

Noah Cameron
Noah Cameron
Kansas City Royals · 8 starts
SP
Strikeouts5.6/start
Hits allowed3.2/start
7+ Strikeouts — 3 of last 64 or fewer Hits Allowed — 3 of last 6
21% K rate
Per-start form only — opponent lineup, park, and pitch count aren't modeled.
Payton Tolle
Payton Tolle
Boston Red Sox · 8 starts
SP
Strikeouts7.9/start
Hits allowed4.8/start
6+ Strikeouts — 5 of last 64 or fewer Hits Allowed — 4 of last 6
28% K rate
Per-start form only — opponent lineup, park, and pitch count aren't modeled.

Player Trends

Carter Jensen
Carter Jensen
Kansas City Royals · 0.262 hit rate · 0.786 TB/PA
Heating up
recent games · 1+ hit
L54 / 5L108 / 10L2518 / 253-game hit streak
Total bases per PA is up 126% over his prior baseline, with hits in 7 of his last 9 games. He has trimmed his strikeout rate to 21%.
Adley Rutschman
Adley Rutschman
Boston Red Sox · 0.250 hit rate · 0.667 TB/PA
Heating up
recent games · 1+ hit
L53 / 5L105 / 10L2511 / 25
Total bases per PA is up 208% over his prior baseline, with hits in 4 of his last 6 games.
Salvador Perez
Salvador Perez
Kansas City Royals · 0.304 hit rate · 0.478 TB/PA
Heating up
recent games · 1+ hit
L54 / 5L109 / 10L2521 / 252-game hit streak
Hit rate is up 58% over his prior baseline, with hits in 9 of his last 10 games. He has trimmed his strikeout rate to 9%.
Isaac Collins
Isaac Collins
Kansas City Royals · 0.065 hit rate · 0.097 TB/PA
Cooling off
recent games · 1+ hit
L52 / 5L102 / 10L2510 / 25
Total bases per PA is down 67% over his prior baseline, with hits in 2 of his last 9 games.
Kyle Isbel
Kyle Isbel
Kansas City Royals · 0.147 hit rate · 0.147 TB/PA
Cooling off
recent games · 1+ hit
L53 / 5L104 / 10L2514 / 25
Total bases per PA is down 52% over his prior baseline, with hits in 4 of his last 10 games.
Nick Loftin
Nick Loftin
Kansas City Royals · 0.175 hit rate · 0.225 TB/PA
Cooling off
recent games · 1+ hit
L52 / 5L106 / 10L2515 / 25
Total bases per PA is down 31% over his prior baseline, with hits in 6 of his last 10 games. His strikeout rate has climbed to 28%.

Players Positioned to Succeed

79
Salvador Perez
Salvador Perez
1+ Hit
Kansas City Royals
Why it stands out
Batting 4th, confirmed lineup
No notable risk
74
Jac Caglianone
Jac Caglianone
1+ Hit
Kansas City Royals
Why it stands out
Batting 3rd, confirmed lineup
Main risk
Recent hit rate has cooled
71
Masataka Yoshida
Masataka Yoshida
1+ Hit
Boston Red Sox
Why it stands out
Low recent strikeout rate
Main risk
Lineup not yet posted
69
Wilyer Abreu
Wilyer Abreu
1+ Hit
Boston Red Sox
Why it stands out
Low recent strikeout rate
Main risk
Lineup not yet posted
67
Ceddanne Rafaela
Ceddanne Rafaela
1+ Hit
Boston Red Sox
Why it stands out
Low recent strikeout rate
Main risk
Recent hit rate has cooled
67
Roman Anthony
Roman Anthony
1+ Hit
Boston Red Sox
Why it stands out
Strong recent plate-appearance volume
Main risk
Elevated recent strikeout rate

Expected Game Shape

BalancedLow confidence

Competitive profile without a clear stylistic tilt. Starting pitching is likely to set the tone.

Early edge Red Sox Driver No single dominant factor Volatility Moderate
  • Both probable starters grade around the 62nd percentile in combined suppression.
  • Royals are trending steady; Red Sox are trending down.

Storylines to Watch

Is Carter Jensen the one to watch?
Carter Jensen enters as Royals' hottest bat. Total bases per PA is up 126% over his prior baseline, with hits in 7 of his last 9 games. He has trimmed his strikeout rate to 21%.
0.262 hit rate · 0.786 TB/PA · 0.189 hit rate · 0.348 TB/PA
Can Isaac Collins snap out of it?
Isaac Collins has cooled off. Total bases per PA is down 67% over his prior baseline, with hits in 2 of his last 9 games.
0.065 hit rate · 0.097 TB/PA · 0.189 hit rate · 0.289 TB/PA
Based on plate appearances before 2026-09-13, with today's posted lineups when available. Injuries, weather, bullpen availability, and park factors are not yet included.