INDEPENDENT MLB ANALYTICSINDEPENDENT ANALYTICS
MON · SEP 7, 2026
SEP 7
Today · 2:10 PM ETOfficial lineupNL West / AL Central

Arizona Diamondbacks   vs   Kansas City Royals Preview

September 7, 2026

Starting pitchers, lineup status, recent form, weather and current moneyline context at Kauffman Stadium.

2:10 PM ET · Kauffman StadiumStats updated Sep 7, 1:50 PM ETLineups confirmed Sep 7, 12:10 PMLast update Sep 7, 8:31 AM ET
T-Score50
Arizona Diamondbacks
76–68 · 2nd NL West · T-Score 50
–
–––
First pitch 2:10 PM ET
Kansas City Royals
64–80 · 5th AL Central · T-Score 34
–
T-Score34
First pitch 2:10 PM ETAZ −105 · KC −115 · Total 9.5
AZ −105 · KC −115 · Total 9.5Last update Sep 7, 8:31 AM ET

Matchup at a glance

PitcherStat calculation
CategoryComparisonWhy
Starting pitcherDiamondbacksLaw owns the stronger overall starter profile, with the higher P-Score and better strikeout and baserunner rates.
Offense vs handDiamondbacksArizona has produced the stronger offense against left-handed pitching.
BullpenDiamondbacksArizona has allowed fewer runs from the bullpen on the season ERA.
Team strengthDiamondbacksArizona leads 50–34 in T-Score, driven by stronger offense.
WeatherModerate impactA 10 mph wind could modestly increase carry on fly balls.

Starting pitchers

AZ
Derek Law RHP
Derek Law
Arizona Diamondbacks
2026 season (MLB rank among qualified starters)
ERA
1.93
WHIP
1.07
K/9
5.79
BB/9
1.93
FIP
3.10
HR/9
0.00
OPS/R
0.536
IP
4.2
2026 ERA splits
Home ERA0.00
Road ERA3.86
Last 5 starts
ERA
1.93
GianPhilPhilAstr
QUALITY
START %
0%
(0 of 4)
DAYS
REST
3
KC
Noah Cameron LHP
Noah Cameron
Kansas City Royals
2026 season (MLB rank among qualified starters)
ERA
4.08
111th
WHIP
1.22
74th
K/9
8.05
114th
BB/9
2.86
84th
P-Score64i
FIP
3.69
HR/9
0.93
63rd
OPS/R
0.659
IP
154.1
2026 ERA splits
Home ERA4.95
Road ERA3.31
Last 5 starts
ERA
2.93
DodgAngeTigeJaysMarl
QUALITY
START %
40%
(2 of 5)
DAYS
REST
5
How the starters differ
·Cameron strikes out 2.3 more batters per nine innings.
·Law enters with a 1.93 ERA compared with Cameron's 4.08.
·Law allows the lower home-run rate: 0.00 vs 0.93 per nine.
·The WHIP gap favors Law, 1.07 to 1.22.
Advanced starter metricsERA−, FIP, WAR, career vs opponent
MetricLawCameronNote
ERA−4696Park- and league-adjusted; 100 is average.
FIP3.103.69
WAR0.02.8Season value.
Career vs opponent– ERA, 8 GS–Career history against this opponent.

How the lineups match the starters' pitch mix

Pitch data coverage: partial. Usage and velocity only.

Law arsenal
PitchUsageVelo
Cutter41%90.2
Slider26%86.5
Four-seam14%93.4
Changeup14%84.6
Sinker5%94.1
Curveball1%76.9
Cameron arsenal
PitchUsageVelo
Four-seam24%92.5
Changeup21%81.0
Cutter21%89.8
Curveball17%81.8
Slider12%85.1
Sinker5%91.5
Eephus Pitch0%57.4

Team OPS vs opposing starter's hand

Diamondbacks vs LHP (Noah Cameron)
3rd
in MLB
0.778OPS
.600.700.800.9001.000
Royals vs RHP (Derek Law)
13th
in MLB
0.725OPS
.600.700.800.9001.000

Lineups

Official lineupOfficial batting order.Full lineup page →
Arizona DiamondbacksOfficial lineupvs LHP Noah Cameron
#HitterPosH-ScoreOPSHRvs LHPVs Cameron (BvP)
1Geraldo PerdomoSSS62.7259.707No MLB historyNo history
2Ketel MarteS2B77.76522.946No MLB historyNo history
3Gabriel MorenoRC80.84712.800No MLB historyNo history
4Nolan ArenadoR3B61.73022.7460-for-4Very small sample
5Lourdes Gurriel Jr.RLF27.5412.475No MLB historyNo history
6Ildemaro VargasS1B53.6739.822No MLB historyNo history
7Tim TawaR1B59.6879.568No MLB historyNo history
8Jordan LawlarRCF—.7654.985No MLB historyNo history
9Ryan WaldschmidtRCF46.7093.813No MLB historyNo history
1Geraldo Perdomo SS · S.252 / .725 · 9 HRvs hand .707 · No MLB history · No history62H-Score2Ketel Marte 2B · S.251 / .765 · 22 HRvs hand .946 · No MLB history · No history77H-Score3Gabriel Moreno C · R.300 / .847 · 12 HRvs hand .800 · No MLB history · No history80H-Score4Nolan Arenado 3B · R.233 / .730 · 22 HRvs hand .746 · 0-for-4 · Very small sample61H-Score5Lourdes Gurriel Jr. LF · R.207 / .541 · 2 HRvs hand .475 · No MLB history · No history27H-Score6Ildemaro Vargas 1B · S.251 / .673 · 9 HRvs hand .822 · No MLB history · No history53H-Score7Tim Tawa 1B · R.239 / .687 · 9 HRvs hand .568 · No MLB history · No history59H-Score8Jordan Lawlar CF · R.259 / .765 · 4 HRvs hand .985 · No MLB history · No history—H-Score9Ryan Waldschmidt CF · R.266 / .709 · 3 HRvs hand .813 · No MLB history · No history46H-Score
Kansas City RoyalsOfficial lineupvs RHP Derek Law
#HitterPosH-ScoreOPSHRvs RHPVs Law (BvP)
1Carter JensenLC75.75522.792No MLB historyNo history
2Bobby Witt Jr.RSS82.81717.8170-for-2Very small sample
3Vinnie PasquantinoL1B65.71511.782No MLB historyNo history
4Salvador PerezRDH55.65419.6140-for-1Very small sample
5Michael MasseyL2B66.75811.7291-for-2Very small sample
6Nick LoftinR3B57.7177.686No MLB historyNo history
7John RaveLRF—.7244.714No MLB historyNo history
8Matthew LugoRLF—.50001.000No MLB historyNo history
9Kyle IsbelLCF41.6176.6940-for-1Very small sample
1Carter Jensen C · L.230 / .755 · 22 HRvs hand .792 · No MLB history · No history75H-Score2Bobby Witt Jr. SS · R.285 / .817 · 17 HRvs hand .817 · 0-for-2 · Very small sample82H-Score3Vinnie Pasquantino 1B · L.239 / .715 · 11 HRvs hand .782 · No MLB history · No history65H-Score4Salvador Perez DH · R.226 / .654 · 19 HRvs hand .614 · 0-for-1 · Very small sample55H-Score5Michael Massey 2B · L.280 / .758 · 11 HRvs hand .729 · 1-for-2 · Very small sample66H-Score6Nick Loftin 3B · R.241 / .717 · 7 HRvs hand .686 · No MLB history · No history57H-Score7John Rave RF · L.223 / .724 · 4 HRvs hand .714 · No MLB history · No history—H-Score8Matthew Lugo LF · R.250 / .500 · 0 HRvs hand 1.000 · No MLB history · No history—H-Score9Kyle Isbel CF · L.227 / .617 · 6 HRvs hand .694 · 0-for-1 · Very small sample41H-Score

Team comparison

OffenseAZAZ·KCKC
AVG.242 18th.247 14th
OPS.708 22nd.719 15th
Home runs141 26th151 22nd
Runs636 17th617 21st
OBP.314 18th.316 15th
SLG.394 22nd.403 14th
PitchingAZAZ·KCKC
1stMLB rank30th
ERA4.13vs4.70
AZKC
WHIP1.28vs1.39
AZKC
K/97.0vs7.4
AZKC
HR Allowed162vs177
AZKC
BullpenAZAZ·KCKC
1stMLB rank30th
Bullpen ERA4.07vs4.75
no league rank
Bullpen WHIP1.27vs1.42
no league rank
Saves36vs34
AZKC
ResultsAZAZ·KCKC
+18915th
Run differential
+8928th
76–68 Record64–80
5–5 Last 105–5
Last 10 games
Arizona Diamondbacks (5–5)
W
W
L
W
L
L
W
L
W
L
Kansas City Royals (5–5)
W
L
L
W
L
L
L
W
W
W
2026 head-to-head
Season Series
1—2
3 Games Played

Frequently asked

Who is starting for the Diamondbacks?+
Derek Law (1.93 ERA, 0–0) is listed as the starter.
Who is starting for the Royals?+
Noah Cameron (4.08 ERA, 9–8) is listed as the starter.
What time does the game start?+
2:10 PM ET at Kauffman Stadium.
Where is the game being played?+
Kauffman Stadium, home of the Kansas City Royals.
Are the lineups confirmed?+
Yes. Both batting orders on this page are official (posted Sep 7, 12:10 PM ET).
What is the current moneyline?+
AZ −105 · KC −115 · Total 9.5. Lines are informational only.
What is the current total?+
The total is 9.5. Lines are informational.
How have the Diamondbacks and Royals performed head-to-head?+
Season series: Royals 2–1 this season.
How do the starters compare on P-Score?+
P-Score is available for one starter only.
Diamondbacks vs Royals Preview, Starting Pitchers & Lineups — Sep 7, 2026 | PitcherStat