BIGLEAGUE

Kansas City Royals · Pitcher · #47

Mason Black

Age 266' 3" · 228lbBats R · Throws RDebut 2024From Scranton

ERA

4.60

W-L

0-0

K

19

WHIP

1.70

WAR

-0.6

FIP

6.70

Awards

3 major honors

All-Star

2022

Pitcher of the Month ×2

2022 · 2023

League Percentile

2026 season · percentile vs 290 relievers with 20+ IP
the entire league54relief pitchers290
ERA
29
4.60
WHIP
7
1.70
Strikeouts
7
19
K/9
6
5.83
Wins
7
0
Bottom of leagueAverage (50)Top of league

relief pitchers · by ERA

Top 71%

Mason Black's ERA (4.60) ranks below average among 290 relievers with 20+ IP. The number on each bar is a percentile (higher is better); use the tabs to change the comparison pool.

PITCHING

Season · Career
CategoryGamesERAWinsLossesSavesInningsStrikeoutsWalksWHIP
2026 Season164.6000029.119201.70
Career265.6815069.255351.67

Hover over a stat for its definition.

ARSENAL

Pitch arsenal · 2026 usage and average velocity
Sinker25.2%avg 151 km/h
Four-Seam21.9%avg 151 km/h
Sweeper20.6%avg 134 km/h
Slider13.9%avg 140 km/h
Cutter7.4%avg 146 km/h
Curveball6.9%avg 131 km/h
Changeup4.1%avg 142 km/h

ADVANCED

Advanced metrics · 2026 season

BABIP

.270

K/9

5.83

BB/9

6.14

HR/9

1.84

Quality starts

0

Whiff%

18.9%

GAME LOG

Last 10 games · includes team result
DateOppInningsHitsERWalksStrikeoutsTeam
08.23vs DET0.23310W
08.18vs ATH3.02231W
08.12@ LAD3.03121L
08.07vs CHC5.03232L
06.18vs STL2.03220W
06.15@ WSH2.01110L
06.12vs HOU2.13133L
06.10vs TEX1.22122L
06.07@ MIN1.00001W
06.01@ CIN1.02001W

SPLITS

Situational splits (2026)

Home

Opp AVG.278
IP18.2
K13
WHIP1.93

Away

Opp AVG.244
IP10.2
K6
WHIP1.31

vs LHP

Opp AVG.313
IP11.2
K10
WHIP2.23

vs RHP

Opp AVG.231
IP17.2
K9
WHIP1.36

RISP

Opp AVG.206
IP10.1
K8
WHIP1.16

YEAR BY YEAR

Year-by-year · Career trends

ERALower is better

▼ Trending up year over year
ERA by yearFrom 6.44 in 2024 to 4.60 in 2026. Lower is better for this stat.2024 ERA: 6.446.4420242025 ERA: 6.756.7520252026 ERA: 4.604.602026
Show yearly figures
ERA year-by-year details
YearERA
20246.44
20256.75
20264.60

WHIPLower is better

▲ Trending down year over year
WHIP by yearFrom 1.68 in 2024 to 1.70 in 2026. Lower is better for this stat.2024 WHIP: 1.681.6820242025 WHIP: 1.251.2520252026 WHIP: 1.701.702026
Show yearly figures
WHIP year-by-year details
YearWHIP
20241.68
20251.25
20261.70

Strikeouts

▲ Trending up year over year
Strikeouts by yearFrom 31 in 2024 to 19 in 2026.2024 Strikeouts: 313120242025 Strikeouts: 5520252026 Strikeouts: 19192026
Show yearly figures
Strikeouts year-by-year details
YearStrikeouts
202431
20255
202619
YearTeamGamesERAWinsLossesSavesInningsStrikeoutsWalksWHIP
2024SF96.4415036.131151.68
2025SF16.750004.0501.25
2026KC164.6000029.119201.70