INDEPENDENT MLB ANALYTICSINDEPENDENT ANALYTICS
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FinalFinal lineupsAL Central / AL West

Kansas City Royals 4, Seattle Mariners 1

Final Score and Game Recap

Final score, pitching lines and standings context.

4:10 PM ET · T-Mobile ParkStats availableFinal lineups locked
T-Score37
Kansas City Royals
67–86 · 5th AL Central · T-Score 37
4
4–1
FINAL
Seattle Mariners
71–82 · 3rd AL West · T-Score 43
1
T-Score43
FINAL

Starting pitchers

KC
Kris Bubic TBD
Kris Bubic
Kansas City Royals
2026 season (MLB rank among qualified starters)
ERA
4.03
WHIP
1.23
K/9
9.29
BB/9
4.56
FIP
–
HR/9
0.70
OPS/R
–
IP
51.1
Last 5 starts
SEA
Luis Castillo RHP
Luis Castillo
Seattle Mariners
2026 season (MLB rank among qualified starters)
ERA
5.67
192nd
WHIP
1.48
182nd
K/9
7.76
123rd
BB/9
3.01
100th
P-Score40i
FIP
5.00
HR/9
1.68
189th
OPS/R
0.764
IP
128.2
2026 ERA splits
Home ERA4.80
Road ERA6.30
Last 5 starts
How the starters differ
·Bubic allows fewer baserunners, with a 1.23 WHIP compared with 1.48.
·Bubic enters with a 4.03 ERA compared with Castillo's 5.67.
·Bubic allows the lower home-run rate: 0.70 vs 1.68 per nine.
·Bubic strikes out 1.5 more batters per nine innings.
Advanced starter metricsERA−, FIP, WAR, career vs opponent
MetricBubicCastilloNote
ERA−–142Park- and league-adjusted; 100 is average.
FIP–5.00
WAR–0.4Season value.

How the lineups match the starters' pitch mix

Pitch data coverage: partial. Usage and velocity only.

Castillo arsenal
PitchUsageVelo
Four-seam42%95.2
Slider25%85.6
Sinker18%95.4
Changeup15%87.4
Cutter0%92.3

Offense vs pitcher hand

Royals vs RHPLuis Castillo throws right-handed
.721
OPS vs hand
14th

Lineups

Final lineupsOrder from the stored snapshot; treat as unofficial until the card is filed.Full lineup page
Lineups not announced

Neither club has posted a batting order. Handedness composition, H-Score leaders and batter-vs-pitcher samples appear here as soon as the first order is filed — typically two to three hours before first pitch.

Team comparison

ResultsKCKC·SEASEA
+12727th
Run differential
+14325th
67–86 Record71–82
Last 10 games
Kansas City Royals (0–0)
Seattle Mariners (0–0)
2026 head-to-head
Season Series
0—0
0 Games Played

Frequently asked

Who is starting for the Royals?+
Kris Bubic is listed as the starter.
Who is starting for the Mariners?+
Luis Castillo is listed as the starter.
What time does the game start?+
4:10 PM ET at T-Mobile Park.
Where is the game being played?+
T-Mobile Park, home of the Seattle Mariners.
Are the lineups confirmed?+
Not yet. Orders appear here when they are posted.
How do the starters compare on P-Score?+
P-Score is available for one starter only.