BIGLEAGUE

Chicago Cubs · Pitcher · #56

Ryan Zeferjahn

Age 286' 5" · 209lbBats R · Throws RDebut 2024From Topeka

ERA

3.99

W-L

4-4

K

82

WHIP

1.28

WAR

0.2

FIP

4.16

League Percentile

2026 season · percentile vs 54 qualified pitchers
the entire league54relief pitchers290
ERA
28
3.99
WHIP
23
1.28
Strikeouts
0
82
K/9
96
12.58
Wins
2
4
Bottom of leagueAverage (50)Top of league

⚠ Below the qualified innings threshold. Percentiles are for reference only.

the entire league · by ERA

Top 72%

Ryan Zeferjahn's ERA (3.99) ranks below average among 54 qualified pitchers. The number on each bar is a percentile (higher is better); use the tabs to change the comparison pool.

PITCHING

Season · Career
CategoryGamesERAWinsLossesSavesInningsStrikeoutsWalksWHIP
2026 Season533.9944458.282361.28
Career1274.071096132.2173771.30

Hover over a stat for its definition.

ARSENAL

Pitch arsenal · 2026 usage and average velocity
Sweeper37.6%avg 136 km/h
Four-Seam35.2%avg 155 km/h
Sinker14.5%avg 155 km/h
Slider10.1%avg 143 km/h
Curveball2.6%avg 136 km/h

ADVANCED

Advanced metrics · 2026 season

BABIP

.260

K/9

12.58

BB/9

5.52

HR/9

1.07

Quality starts

0

Whiff%

32.6%

GAME LOG

Last 10 games · includes team result
DateOppInningsHitsERWalksStrikeoutsTeam
08.24@ AZ1.00000W
08.21@ SEA0.21010L
08.17vs CWS1.02211W
08.14vs STL1.01012W
08.11@ WSH0.23210W
08.09@ KC1.01002W
08.05vs LAD0.21102W
08.04vs LAD1.00000W
08.02vs MIL1.22004W
07.27vs HOU1.02102L

SPLITS

Situational splits (2026)

Home

Opp AVG.177
IP27.0
K41
WHIP1.41

Home

Opp AVG.267
IP3.2
K5
WHIP1.64

Home

Opp AVG.189
IP30.2
K46
WHIP1.43

Away

Opp AVG.151
IP24.2
K34
WHIP0.97

Away

Opp AVG.357
IP3.1
K2
WHIP2.10

Away

Opp AVG.180
IP28.0
K36
WHIP1.11

vs LHP

Opp AVG.179
IP24.0
K36
WHIP1.29

vs LHP

Opp AVG.500
IP2.2
K1
WHIP3.75

vs LHP

Opp AVG.230
IP26.2
K37
WHIP1.54

vs RHP

Opp AVG.153
IP27.2
K39
WHIP1.12

vs RHP

Opp AVG.077
IP4.1
K6
WHIP0.69

vs RHP

Opp AVG.144
IP32.0
K45
WHIP1.06

RISP

Opp AVG.188
IP13.2
K19
WHIP1.46

RISP

Opp AVG.375
IP2.0
K2
WHIP2.00

RISP

Opp AVG.214
IP15.2
K21
WHIP1.53

YEAR BY YEAR

Year-by-year · Career trends

ERALower is better

▼ Trending up year over year
ERA by yearFrom 2.12 in 2024 to 3.99 in 2026. Lower is better for this stat.2024 ERA: 2.122.1220242025 ERA: 4.744.7420252026 ERA: 3.993.992026
Show yearly figures
ERA year-by-year details
YearERA
20242.12
20254.74
20263.99

WHIPLower is better

▼ Trending up year over year
WHIP by yearFrom 0.76 in 2024 to 1.28 in 2026. Lower is better for this stat.2024 WHIP: 0.760.7620242025 WHIP: 1.471.4720252026 WHIP: 1.281.282026
Show yearly figures
WHIP year-by-year details
YearWHIP
20240.76
20251.47
20261.28

Strikeouts

▲ Trending up year over year
Strikeouts by yearFrom 18 in 2024 to 82 in 2026.2024 Strikeouts: 181820242025 Strikeouts: 7320252026 Strikeouts: 82822026
Show yearly figures
Strikeouts year-by-year details
YearStrikeouts
202418
202573
202682
YearTeamGamesERAWinsLossesSavesInningsStrikeoutsWalksWHIP
2024LAA122.1200017.01860.76
2025LAA624.7465257.073351.47
2026LAA453.6643451.275321.20
2026CHC86.430107.0741.86
2026—533.9944458.282361.28