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| Name | Team | Age |
| Jess Hecker | Retired (2029, Age 36) | Died (2058, Age 65) |
| Drafted | Position | Bats/Throws |
| Round 4, Pick 51 (2015) |
RP | R/R |
| League | Option Years
|
Majors Service Time |
| Goose Goslin League | 0 | 9 years (136 games) |
| Total Rating
|
Arm | Range |
| Contact vs R | Contact vs L | Speed |
| Power vs R | Power vs L | Bunting |
| Endurance | Velocity | Control |
| Leadership
|
Mentor Value
|
|
| Health
|
Injured Days
|
Birthday |
| 0 | 1/12/1993 | |
| WS Rings | WS Appearances | LCS Appearances |
| 1 | 2 | 2 |
| Alt Pos (---) | Alt Pos (---) | Alt Pos (---) |
| (0.0 %) | (0.0 %) | (0.0 %) |
Stats | Splits | Playoffs | Energy | Improvements | Past Skills | Awards | Batting | Fielding | Game Log
| Year
|
Team | W | L | G | GS | CG | SHO | SV | BS | IP | H | R | ER | HBP | BB | SO | WHIP | ERA |
| 2018 | CHA | 1 | 1 | 2 | 2 | 0 | 0 | 0 | 0 | 11.0 | 11 | 7 | 7 | 1 | 6 | 10 | 1.55 | 5.73 |
| 2019 | CHA | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 7.2 | 9 | 4 | 4 | 0 | 7 | 7 | 2.09 | 4.70 |
| 2020 | KC | 6 | 18 | 32 | 32 | 4 | 1 | 0 | 0 | 178.0 | 205 | 123 | 114 | 3 | 76 | 139 | 1.58 | 5.76 |
| 2021 | KC | 7 | 17 | 33 | 33 | 2 | 1 | 0 | 0 | 190.2 | 213 | 131 | 120 | 6 | 78 | 154 | 1.53 | 5.66 |
| 2022 | KC | 5 | 17 | 32 | 32 | 2 | 0 | 0 | 0 | 176.0 | 180 | 112 | 108 | 6 | 102 | 138 | 1.60 | 5.52 |
| 2023 | KC | 6 | 13 | 29 | 29 | 1 | 0 | 0 | 0 | 176.2 | 177 | 91 | 79 | 2 | 83 | 144 | 1.47 | 4.02 |
| 2024 | KC | 11 | 11 | 32 | 32 | 3 | 1 | 0 | 0 | 209.0 | 221 | 114 | 101 | 9 | 83 | 154 | 1.45 | 4.35 |
| 2025 | KC | 11 | 7 | 25 | 25 | 1 | 0 | 0 | 0 | 157.1 | 170 | 87 | 82 | 2 | 49 | 137 | 1.39 | 4.69 |
| 2026 | KC | 17 | 8 | 32 | 32 | 4 | 2 | 0 | 0 | 218.0 | 213 | 97 | 85 | 6 | 94 | 177 | 1.41 | 3.51 |
| 2027 | KC | 12 | 12 | 32 | 32 | 2 | 1 | 0 | 0 | 202.0 | 220 | 120 | 114 | 6 | 78 | 171 | 1.48 | 5.08 |
| 2028 | KC | 17 | 12 | 32 | 32 | 3 | 0 | 0 | 0 | 201.2 | 200 | 96 | 89 | 6 | 76 | 148 | 1.37 | 3.97 |
| 2029 | STL | 4 | 17 | 31 | 31 | 0 | 0 | 0 | 0 | 162.2 | 177 | 111 | 95 | 4 | 68 | 137 | 1.51 | 5.26 |
| 2065 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | |
| Total | 97 | 134 | 314 | 313 | 22 | 6 | 0 | 0 | 1890.2 | 1996 | 1093 | 998 | 51 | 800 | 1516 | 1.48 | 4.75 |
| Date | Transaction |
| 2029-11-01 | Jess Hecker has retired from the St. Louis Explorers |
| 2029-04-05 | The St. Louis Explorers have acquired Jess Hecker from the waiver wire. |
| 2029-04-01 | The Kansas City Athletics have promoted Matt Davidson to the major league team. The Kansas City Athletics have promoted Tom Garriott to the major league team. The Kansas City Athletics have designated Jess Hecker for assignment. |
| 2025-08-03 | Jess Hecker of the Kansas City Athletics is injured and is expected to be out 17 days. |
| 2023-09-10 | Jess Hecker of the Kansas City Athletics is injured and is expected to be out 10 days. |
| 2020-04-06 | The Kansas City Athletics have promoted Jess Hecker to the major league team. The Kansas City Athletics have designated Jon Collins for assignment. |
| 2020-04-05 | The Kansas City Athletics have acquired Jess Hecker from the waiver wire. |
| 2020-04-01 | The Chicago Cyclones have waived Jess Hecker. |
| 2019-09-30 | The Chicago Cyclones have promoted Mike Cicotte to the major league team. The Chicago Cyclones have sent Jess Hecker to the minors. |
| 2019-09-22 | The Chicago Cyclones have promoted Jess Hecker to the major league team. The Chicago Cyclones have promoted Esteban Campos to the major league team. |
| 2018-09-29 | The Chicago Cyclones have sent Jess Hecker down to the minors. |
| 2018-09-10 | The Chicago Cyclones have promoted Jess Hecker to the major league team. |
| 2017-04-01 | The Chicago Cyclones have acquired Jess Hecker from the waiver wire. |
| 2015-06-18 | The Chicago Cubs have waived Jess Hecker. |