Career
5 W · 5.89 ERA · 89 K
139.0 IP · 1.47 WHIP · 40 G
2024 Season
0-1 · 16.88 ERA
5.1 IP · 4 K · 2.44 WHIP
The Game Network
Where History Is Kept. This page is part of a living baseball archive.
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Jonathan Heasley was a pitcher in MLB. Across 40 career appearances, with a 5.89 ERA and 89 strikeouts. This page covers season stats, team history, and career profile.
Deep Data
Full Career Record
Season-by-season performance, contract terms, and the complete archive.
Season-by-Season Pitching
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| Year |
Team |
W |
L |
ERA |
G |
GS |
SV |
IP |
H |
ER |
BB |
SO |
WHIP |
| 2021 |
KC |
1 |
1 |
4.91 |
3 |
3 |
0 |
14.2 |
15 |
8 |
3 |
6 |
1.23 |
| 2022 |
KC |
4 |
10 |
5.28 |
21 |
21 |
0 |
104.0 |
108 |
61 |
47 |
70 |
1.49 |
| 2023 |
KC |
0 |
0 |
7.20 |
12 |
0 |
0 |
15.0 |
17 |
12 |
2 |
9 |
1.27 |
| 2024 |
BAL |
0 |
1 |
16.88 |
4 |
0 |
0 |
5.1 |
10 |
10 |
3 |
4 |
2.44 |
| Career Totals |
— |
5 |
12 |
5.89 |
40 |
24 |
0 |
139.0 |
150 |
91 |
55 |
89 |
1.47 |
Season-by-Season Batting
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| Year |
Team |
G |
AB |
R |
H |
2B |
3B |
HR |
RBI |
SB |
BB |
SO |
AVG |
OBP |
SLG |
OPS |
| 2021 |
KC |
3 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| 2022 |
KC |
21 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| 2023 |
KC |
12 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| 2024 |
BAL |
4 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Career Totals |
— |
40 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
.000 |
.000 |
.000 |
- |
The Game Network
Where History Is Kept. This page is part of a living baseball archive.
About This Archive →
Data: Lahman Baseball Database (CC BY-SA 4.0), Cot's Baseball Contracts, Retrosheet.