Colorado Rockies (ML)
Jacob Kostyshock
Birthdate:
Jan. 2, 1998 (27 y, 1 m, 18 d)Born In:
O'Fallon, MO, USANationality:
American
Position:
PBats/Throws:
R/RHeight/Weight:
6'3"/183OSA Rating History
Loading Chart...
| Ratings Changes |
|---|
| 2025-02-20 |
|
Eye decreased from 25 to 20
|
|
Eye vs R decreased from 25 to 20
|
|
Eye vs L decreased from 25 to 20
|
|
Infield Range decreased from 45 to 40
|
|
Movement vs R increased from 50 to 55
|
|
Movement vs L increased from 45 to 50
|
|
Control Potential decreased from 55 to 50
|
|
Changeup Pot decreased from 50 to 45
|
|
Changeup decreased from 45 to 40
|
| 2024-11-25 |
|
Weight decreased from 184 to 183
|
| 2024-10-01 |
|
Weight increased from 183 to 184
|
| 2024-08-26 |
|
Weight increased from 182 to 183
|
| 2024-08-19 |
|
Control Potential increased from 50 to 55
|
| 2024-07-15 |
|
Movement Potential decreased from 55 to 50
|
|
Control Potential decreased from 55 to 50
|
| 2024-07-01 |
|
Weight increased from 181 to 182
|
| 2024-05-27 |
|
Role changed from CL to RP
|
|
Weight increased from 180 to 181
|
| 2024-05-20 |
|
Eye increased from 20 to 25
|
|
Eye vs R increased from 20 to 25
|
|
Eye vs L increased from 20 to 25
|
|
Stuff vs R increased from 60 to 65
|
|
Movement Potential increased from 50 to 55
|
|
GB% increased from 55% to 56%
|
|
Changeup Pot decreased from 55 to 50
|
|
Changeup decreased from 50 to 45
|
| 2024-05-13 |
|
Weight increased from 179 to 180
|
| 2024-04-15 |
|
Weight increased from 178 to 179
|
| 2024-04-01 |
|
Weight increased from 177 to 178
|
| 2024-03-28 |
|
Stuff vs R decreased from 65 to 60
|
| 2024-01-22 |
|
Weight decreased from 178 to 177
|
| 2024-01-15 |
|
Weight increased from 177 to 178
|
| 2023-12-18 |
|
Weight decreased from 178 to 177
|
| 2023-11-02 |
|
Eye decreased from 25 to 20
|
|
Eye vs R decreased from 25 to 20
|
|
Eye vs L decreased from 25 to 20
|
|
Avoid Ks Potential decreased from 30 to 25
|
|
Movement Potential decreased from 55 to 50
|
| 2023-10-02 |
|
Weight increased from 177 to 178
|
| 2023-07-10 |
|
Outfield Range decreased from 25 to 20
|
| 2023-06-19 |
|
Weight increased from 176 to 177
|
| 2023-06-12 |
|
Fastball increased from 65 to 70
|
|
Weight increased from 175 to 176
|
| 2023-05-08 |
|
Stuff Potential increased from 55 to 65
|
|
Stuff increased from 55 to 60
|
|
Stuff vs R increased from 55 to 65
|
|
Stuff vs L increased from 50 to 60
|
|
Movement Potential increased from 50 to 55
|
|
Movement increased from 40 to 50
|
|
Movement vs R increased from 45 to 50
|
|
Movement vs L increased from 40 to 45
|
|
Control increased from 45 to 50
|
|
Control vs R increased from 45 to 50
|
|
Control vs L increased from 45 to 50
|
|
Velocity increased from 95-97 mph to 96-98 mph
|
|
GB% increased from 54% to 55%
|
|
Fastball Pot increased from 65 to 70
|
|
Fastball increased from 60 to 65
|
|
Slider Pot increased from 65 to 70
|
|
Slider increased from 60 to 65
|
|
Changeup increased from 45 to 50
|
| 2023-04-03 |
|
Weight increased from 174 to 175
|