BIGLEAGUE

Philadelphia Phillies · Pitcher · #52

Jonathan Bowlan

Age 296' 6" · 240lbBats R · Throws RDebut 2023From Arlington

ERA

2.89

W-L

2-1

K

58

WHIP

1.03

WAR

1.0

FIP

2.68

Awards

1 major honor

All-Star

2019

League Percentile

2026 season · percentile vs 290 relievers with 20+ IP
the entire league54relief pitchers290
ERA
78
2.89
WHIP
88
1.03
Strikeouts
77
58
K/9
89
11.19
Wins
45
2
Bottom of leagueAverage (50)Top of league

relief pitchers · by ERA

Top 22%

Jonathan Bowlan's ERA (2.89) ranks above 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 Season492.8921146.258131.03
Career863.6335196.2110331.20

Hover over a stat for its definition.

ARSENAL

Pitch arsenal · 2026 usage and average velocity
Four-Seam45.2%avg 156 km/h
Slider17.8%avg 140 km/h
Changeup14.8%avg 146 km/h
Sinker11.9%avg 156 km/h
Sweeper9.2%avg 136 km/h
Curveball1.0%avg 133 km/h

ADVANCED

Advanced metrics · 2026 season

BABIP

.282

K/9

11.19

BB/9

2.51

HR/9

0.77

Quality starts

0

Whiff%

32.4%

GAME LOG

Last 10 games · includes team result
DateOppInningsHitsERWalksStrikeoutsTeam
08.19vs MIA1.01011W
08.17vs MIA1.03212W
08.16@ MIN1.00012W
08.13@ MIN1.01000W
08.10@ STL1.00001W
08.08vs TOR1.00001L
08.06vs WSH1.00001W
08.05vs WSH1.00012L
08.01@ BAL1.01003W
07.29@ MIA1.01211L

SPLITS

Situational splits (2026)

Home

Opp AVG.217
IP29.0
K35
WHIP1.07

Away

Opp AVG.188
IP17.2
K23
WHIP0.96

vs LHP

Opp AVG.200
IP25.1
K30
WHIP1.07

vs RHP

Opp AVG.213
IP21.1
K28
WHIP0.98

RISP

Opp AVG.152
IP14.0
K18
WHIP0.79

YEAR BY YEAR

Year-by-year · Career trends

ERALower is better

▼ Trending up year over year
ERA by yearFrom 3.00 in 2023 to 2.89 in 2026. Lower is better for this stat.2023 ERA: 3.003.0020232024 ERA: 13.5013.5020242025 ERA: 3.8620252026 ERA: 2.892.892026
Show yearly figures
ERA year-by-year details
YearERA
20233.00
202413.50
20253.86
20262.89

WHIPLower is better

▼ Trending up year over year
WHIP by yearFrom 1.67 in 2023 to 1.03 in 2026. Lower is better for this stat.2023 WHIP: 1.671.6720232024 WHIP: 3.383.3820242025 WHIP: 1.2220252026 WHIP: 1.031.032026
Show yearly figures
WHIP year-by-year details
YearWHIP
20231.67
20243.38
20251.22
20261.03

Strikeouts

▲ Trending up year over year
Strikeouts by yearFrom 3 in 2023 to 58 in 2026.2023 Strikeouts: 3320232024 Strikeouts: 320242025 Strikeouts: 4620252026 Strikeouts: 58582026
Show yearly figures
Strikeouts year-by-year details
YearStrikeouts
20233
20243
202546
202658
YearTeamGamesERAWinsLossesSavesInningsStrikeoutsWalksWHIP
2023KC23.000103.0301.67
2024KC113.500102.2333.38
2025KC343.8612044.146171.22
2026PHI492.8921146.258131.03