BIGLEAGUE

Tampa Bay Rays · Pitcher · #68

Jonathan Heasley

Age 296' 3" · 225lbBats R · Throws RDebut 2021From Charlotte

ERA

11.25

W-L

0-0

K

2

WHIP

2.00

WAR

-0.1

FIP

8.58

Awards

1 major honor

All-Star

2019

League Percentile

2026 season · percentile vs 290 relievers with 20+ IP
the entire league54relief pitchers290
ERA
0
11.25
WHIP
1
2.00
Strikeouts
0
2
K/9
2
4.50
Wins
7
0
Bottom of leagueAverage (50)Top of league

⚠ Below the 20 IP threshold. Percentiles are for reference only.

relief pitchers · by ERA

Top 100%

Jonathan Heasley's ERA (11.25) 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 Season111.250004.0202.00
Career416.045120143.091551.49

Hover over a stat for its definition.

ARSENAL

Pitch arsenal · 2026 usage and average velocity
Four-Seam39.1%avg 147 km/h
Slider32.8%avg 134 km/h
Changeup18.8%avg 135 km/h
Curveball9.4%avg 129 km/h

ADVANCED

Advanced metrics · 2026 season

BABIP

.400

K/9

4.50

BB/9

0.00

HR/9

4.50

Quality starts

0

Whiff%

7.9%

GAME LOG

Last 1 game · includes team result
DateOppInningsHitsERWalksStrikeoutsTeam
05.27@ BAL4.08502L

SPLITS

Situational splits (2026)

Away

Opp AVG.421
IP4.0
K2
WHIP2.00

vs LHP

Opp AVG.625
IP1.0
K1
WHIP5.00

vs RHP

Opp AVG.273
IP3.0
K1
WHIP1.00

RISP

Opp AVG.167
IP1.2
K2
WHIP0.60

YEAR BY YEAR

Year-by-year · Career trends

ERALower is better

▼ Trending up year over year
ERA by yearFrom 4.91 in 2021 to 11.25 in 2026. Lower is better for this stat.2021 ERA: 4.914.9120212022 ERA: 5.2820222023 ERA: 7.2020232024 ERA: 16.8816.8820242026 ERA: 11.2511.252026
Show yearly figures
ERA year-by-year details
YearERA
20214.91
20225.28
20237.20
202416.88
202611.25

WHIPLower is better

▼ Trending up year over year
WHIP by yearFrom 1.23 in 2021 to 2.00 in 2026. Lower is better for this stat.2021 WHIP: 1.231.2320212022 WHIP: 1.4920222023 WHIP: 1.2720232024 WHIP: 2.442.4420242026 WHIP: 2.002.002026
Show yearly figures
WHIP year-by-year details
YearWHIP
20211.23
20221.49
20231.27
20242.44
20262.00

Strikeouts

▼ Trending down year over year
Strikeouts by yearFrom 6 in 2021 to 2 in 2026.2021 Strikeouts: 6620212022 Strikeouts: 707020222023 Strikeouts: 920232024 Strikeouts: 420242026 Strikeouts: 222026
Show yearly figures
Strikeouts year-by-year details
YearStrikeouts
20216
202270
20239
20244
20262
YearTeamGamesERAWinsLossesSavesInningsStrikeoutsWalksWHIP
2021KC34.9111014.2631.23
2022KC215.284100104.070471.49
2023KC127.2000015.0921.27
2024BAL416.880105.1432.44
2026TB111.250004.0202.00