Kansas City Royals#37 · RP
Mason Black
Age 26
Contract Value $246,089/yr
Size 6' 3" · 228
Throws RHP
Bats Right
From Scranton, PA
0–0
W-L
4.31
ERA
1.60
WHIP
19
K
31.1
IP
0
GS
P-Score
P-Score not yet available
Stats updated Oct 5, 3:32 AM ETLast game Sep 25 at AZ
Season overview
How good is he?
StatPlayerMLB AvgPercentile
Run Prevention3650WEAK
Skill950POOR
Workload2550POOR
Consistency5050AVERAGE
Form5050AVERAGE
Contact Management3150WEAK
Game log
Pitch arsenal (2026)
Usage %Velocity
- Sinker25.9%93.8 mph
- Four-seam FB21.2%94.0 mph
- Sweeper20.3%83.0 mph
- Slider14.0%87.0 mph
- Cutter7.7%90.5 mph
- Curveball6.7%81.1 mph
- Changeup4.1%87.9 mph
Hot / cold zones (vs RHB)
.273.300.250.571.286.250.000.412.222
- Better than MLB avg
- Similar to MLB avg
- Worse than MLB avg
Splits
vs handedness
vs LHH
1.046
vs RHH
.611
.435 OPS better vs RHH
Career
Frequently asked
What is Mason Black's ERA in 2026?+
4.31 across 0 starts and 31.1 innings, with a 1.60 WHIP and a 6.49 FIP.
When is his next start?+
No probable start has been announced.
What pitches does he throw?+
He throws sinker (25.9% at 93.8 mph mph), four-seam fb (21.2% at 94.0 mph mph), sweeper (20.3% at 83.0 mph mph), slider (14.0% at 87.0 mph mph), cutter (7.7% at 90.5 mph mph), curveball (6.7% at 81.1 mph mph), changeup (4.1% at 87.9 mph mph).
What is his P-Score?+
P-Score is not yet available for this pitcher.
How has he pitched in his last five starts?+
Fewer than three starts are available, so a last-five comparison is not shown.