Ken Jackson
Pittsburgh (DSL) Pirates 1 (R)
Ken Jackson
Birthdate:
May 30, 2003 (22 y, 1 m, 28 d)
Born In:
Hutchinson, KS, USA
Nationality:
American
Position:
P
Bats/Throws:
R/R
Height/Weight:
6'1"/187
Entry:
2022 Draft - Round: 19, Overall: 565, Team: Pittsburgh Pirates
Contract:
Minor League
ML Service Time:
None

2025 Season Pitching Summary

Team G GS IP W-L SV SD MD BB K ERA FIP FIP- xFIP WAR
Pir1 - DSL
10 0 9.0 0-0 7 5 1 6 18 3.000 3.849 84 2.986 0.20
Current Status
MLB Service Time None
40-man Service Time None
Time as Pro 3 years
Roster Status Minor Leagues
Injury Status None
Personality
Leadership Low
Loyalty Normal
Desire for Win Low
Greed Normal
Intelligence Low
Work Ethic Normal
Popularity
National Unknown
Local Unknown
Current Contract
Minor League Contract
Batting Con Gap Pow Eye K's
Current 8 6 1 4 6
vs R 8 6 1 4 6
vs L 8 6 1 4 6
Potential 9 6 1 5 10
Fielding C IF OF
Range 3 2
Error 3 1
Arm 1 12 7
Turn DP 2
C Ability 1
Position
Pitcher 7
Run/Bunt
Speed 1
Stealing 1
Running 1
Sac Bunt 15
Bunt for Hit 1
Pitching Stuff Movement Control
Current 10 6 4
vs R 11 6 5
vs L 9 5 4
Potential 10 6 7
Pitch Ratings Cur Pot
Fastball 14 14
Slider 11 11
Changeup 8 8
Other Pitching
Velocity 92-94 mph
GB % 53%
Stamina 17
Hold 5
OSA Rating History
Ratings Changes
2025-07-07
Stuff vs R increased from 10 to 11
Movement increased from 5 to 6
Control Potential decreased from 8 to 7
GB% increased from 52% to 53%
Fastball increased from 13 to 14
Weight increased from 186 to 187
2025-06-16
Stuff vs R decreased from 11 to 10
2025-06-02
Outfield Arm decreased from 8 to 7
Movement vs R increased from 5 to 6
Control Potential decreased from 9 to 8
Changeup Pot decreased from 9 to 8
Changeup decreased from 9 to 8
2025-05-05
Avoid Ks increased from 5 to 6
Avoid Ks vs R increased from 5 to 6
Avoid Ks vs L increased from 5 to 6
2025-04-05
Movement vs R decreased from 6 to 5
Control Potential decreased from 10 to 9
2025-03-18
Movement vs R increased from 5 to 6
Control decreased from 5 to 4
Weight increased from 185 to 186
2025-03-09
Slider Pot decreased from 12 to 11
2025-02-23
Stuff vs L decreased from 10 to 9
Control vs L decreased from 5 to 4
Slider decreased from 12 to 11
2025-02-08
Eye increased from 3 to 4
Eye vs R increased from 3 to 4
Eye vs L increased from 3 to 4
Stuff Potential decreased from 11 to 10
Movement Potential decreased from 8 to 6
Movement decreased from 8 to 5
Movement vs R decreased from 8 to 5
Movement vs L decreased from 8 to 5
Control Potential decreased from 11 to 10
Control decreased from 6 to 5
Control vs R decreased from 6 to 5
Control vs L decreased from 6 to 5
GB% increased from 51% to 52%
Weight decreased from 186 to 185
Local Popularity decreased from Insignficant to Unknown
2024-11-05
Control Potential decreased from 12 to 11
Changeup Pot decreased from 10 to 9
Changeup decreased from 10 to 9
2024-11-01
Slider Pot decreased from 13 to 12
2024-10-19
Weight increased from 185 to 186
2024-10-12
Movement vs L increased from 7 to 8
2024-10-07
Stuff vs L increased from 9 to 10
Weight decreased from 186 to 185
2024-09-23
Changeup Pot increased from 9 to 10
Changeup increased from 9 to 10
2024-09-09
Stamina decreased from 18 to 17
Changeup increased from 8 to 9
2024-09-02
Stuff vs R increased from 10 to 11
Weight decreased from 187 to 186
2024-08-19
Stamina increased from 17 to 18
2024-07-31
Fastball Pot increased from 13 to 14
Fastball increased from 12 to 13
2024-07-08
Stuff increased from 9 to 10
Slider increased from 11 to 12
Changeup increased from 7 to 8
Weight increased from 186 to 187
2024-06-24
Stuff Potential increased from 10 to 11
Control Potential increased from 11 to 12
Changeup Pot increased from 8 to 9
2024-06-17
Contact increased from 7 to 8
Contact vs R increased from 7 to 8
Contact vs L increased from 7 to 8
2024-06-10
P defense decreased from 8 to 7
Stuff vs R increased from 9 to 10
Stuff vs L increased from 8 to 9
Weight increased from 185 to 186
2024-05-20
Control increased from 5 to 6
Control vs R increased from 5 to 6
Control vs L increased from 5 to 6
Velocity increased from 91-93 mph to 92-94 mph
Fastball Pot increased from 12 to 13
Fastball increased from 11 to 12
Slider increased from 10 to 11
Changeup increased from 6 to 7
2024-05-06
Infield Arm decreased from 13 to 12
Outfield Range decreased from 3 to 2
Stamina decreased from 18 to 17
Weight increased from 184 to 185
2024-04-29
Weight increased from 183 to 184
2024-04-22
Avoid Ks increased from 4 to 5
Avoid Ks vs R increased from 4 to 5
Avoid Ks vs L increased from 4 to 5
Stuff Potential decreased from 12 to 10
Stuff decreased from 10 to 9
Stuff vs R decreased from 11 to 9
Stuff vs L decreased from 9 to 8
Control Potential increased from 10 to 11
Position changed from RP to SP
Role changed from RP to SP
2024-02-25
Stamina increased from 17 to 18
2024-02-09
Stuff vs R increased from 10 to 11
Movement Potential increased from 7 to 8
Movement increased from 7 to 8
Movement vs R increased from 7 to 8
Changeup increased from 5 to 6
2024-02-03
Changeup Pot decreased from 9 to 8
2024-01-02
Infield Range decreased from 4 to 3
P defense decreased from 9 to 8
Weight increased from 182 to 183
2023-12-07
Weight increased from 181 to 182
2023-11-20
Stamina decreased from 18 to 17
2023-11-13
Local Popularity increased from Unknown to Insignficant
2023-11-09
Avoid Ks increased from 3 to 4
Avoid Ks vs R increased from 3 to 4
Avoid Ks vs L increased from 3 to 4
Speed decreased from 2 to 1
Outfield Range decreased from 4 to 3
Control increased from 4 to 5
Control vs R increased from 4 to 5
Control vs L increased from 4 to 5
GB% increased from 49% to 51%
Changeup Pot decreased from 10 to 9
Weight increased from 180 to 181
2023-09-11
Changeup Pot decreased from 11 to 10
Changeup increased from 4 to 5
2023-07-17
Gap increased from 5 to 6
Gap vs R increased from 5 to 6
Gap vs L increased from 5 to 6
Stuff increased from 9 to 10
Stuff vs L increased from 8 to 9
GB% decreased from 52% to 49%
Fastball increased from 10 to 11
Slider increased from 9 to 10
Changeup Pot decreased from 12 to 11
2023-05-29
Eye increased from 2 to 3
Eye vs R increased from 2 to 3
Eye vs L increased from 2 to 3
Stuff vs R increased from 9 to 10
Movement Potential decreased from 8 to 7
Movement decreased from 8 to 7
Movement vs R decreased from 8 to 7
Movement vs L decreased from 8 to 7
Control increased from 3 to 4
Control vs R increased from 3 to 4
Control vs L increased from 3 to 4
GB% decreased from 53% to 52%
Hold increased from 4 to 5
Changeup Pot decreased from 14 to 12
2023-02-26
Contact increased from 5 to 7
Contact vs R increased from 5 to 7
Contact vs L increased from 5 to 7
Avoid Ks increased from 2 to 3
Avoid Ks vs R increased from 2 to 3
Avoid Ks vs L increased from 2 to 3
Infield Arm increased from 12 to 13
Stuff Potential increased from 11 to 12
Stuff increased from 7 to 9
Stuff vs R increased from 7 to 9
Stuff vs L increased from 6 to 8
Movement Potential increased from 7 to 8
Movement increased from 7 to 8
Movement vs R increased from 7 to 8
Movement vs L increased from 7 to 8
Velocity increased from 90-92 mph to 91-93 mph
GB% increased from 49% to 53%
Fastball increased from 9 to 10
Slider Pot increased from 12 to 13
Slider increased from 8 to 9
Changeup Pot decreased from 15 to 14
Changeup increased from 3 to 4
Position changed from SP to RP
Role changed from SP to RP
2022-10-14
Gap increased from 4 to 5
Gap vs R increased from 4 to 5
Gap vs L increased from 4 to 5
Infield Arm decreased from 13 to 12
Stuff increased from 6 to 7
Hold increased from 3 to 4
Changeup increased from 2 to 3
2022-07-31
Contact increased from 4 to 5
Contact vs R increased from 4 to 5
Contact vs L increased from 4 to 5
Gap increased from 3 to 4
Gap vs R increased from 3 to 4
Gap vs L increased from 3 to 4
Outfield Range decreased from 5 to 4
Catcher Ability increased from 0 to 1
Stuff vs L increased from 5 to 6
Control increased from 2 to 3
Control vs R increased from 2 to 3
Control vs L increased from 2 to 3
GB% decreased from 51% to 49%
Slider increased from 7 to 8
Changeup increased from 1 to 2
Weight increased from 179 to 180

Career Minor League Stats

Team Year Age GS G IP W-L SV K BB K% BB% HR% LOB% GB% BABIP ERA FIP FIP- xFIP E-F WAR
Pir1 - DSL
2025 22 0 10 9.0 0-0 7 18 6 46.15% 15.38% 2.56% 86.21% 50.00% 0.385 3.000 3.849 84 2.986 -0.85 0.20
Pir1 - DSL
2024 21 0 23 22.1 0-3 13 33 21 31.73% 20.19% 1.92% 75.30% 56.25% 0.283 3.224 5.048 109 4.814 -1.82 -0.05
Pir2 - DSL
2023 20 0 1 3.0 0-0 0 3 0 23.08% 0.00% 0.00% 40.00% 60.00% 0.500 9.000 2.387 50 3.332 6.61 0.09
Bradenton - GCL
GPIT - GCL
2023 20 0 12 27.2 2-0 1 47 14 39.17% 11.67% 3.33% 81.40% 54.84% 0.375 3.578 4.315 93 3.225 -0.74 0.20
Pir2 - DSL
2022 19 0 15 29.1 2-1 1 36 28 25.17% 19.58% 1.40% 63.57% 41.30% 0.366 7.364 6.110 127 6.512 1.25 -0.32
Total - R
R
0 61 91.1 4-4 22 137 69 32.70% 16.47% 2.15% 71.63% 50.00% 0.356 4.829 4.961 106 4.649 -0.13 0.12

Career Minor League Stats

Team Year Age G PA AB H 2B 3B HR RBI R BB K SB CS AVG OBP OPS BABIP wOBA WAR
None - None
None - None
2022 19 21 106 98 38 7 1 3 26 33 5 6 10 5 0.388 0.418 0.989 0.3933 0.432 1.14
Total - ??
??
21 106 98 38 7 1 3 26 33 5 6 10 5 0.388 0.418 0.989 0.3933 0.432 1.14

Career Minor League Fielding Stats

Team Year Pos G IP PO A E Fld % RF Eff ZR
Pir1 - DSL
2025 P 10 9.0 0 0 0 0.000 0.000 0.000 -0.15
Total P 10 9.0 0 0 0 -0.15

Dominican Summer League Pitching Log

Date Opp Score GS IP H R ER HR BB K IBB HBP GB FB BF PI GSC WPA ERA FIP
July 27, 2025
Jul 27
Nat 2 - 1 1.0 1 1 1 0 2 3 1 0 0 0 6 27 - -0.20
July 25, 2025
Jul 25
Nat 7 - 1 0.2 1 1 1 1 0 2 0 0 0 0 3 12 - 0.00
July 16, 2025
Jul 16
Ast2 5 - 1 1.0 1 0 0 0 0 2 0 0 0 1 4 14 - 0.01
July 12, 2025
Jul 12
@Ast1 8 - 7 1.0 1 0 0 0 0 2 0 0 1 0 4 18 - 0.20
July 6, 2025
Jul 6
@Ath 5 - 4 1.0 0 0 0 0 1 2 0 0 0 1 4 15 - 0.20
July 5, 2025
Jul 5
@Ath 1 - 0 1.0 1 0 0 0 1 0 0 0 2 0 4 18 - 0.20
July 1, 2025
Jul 1
Ori1 5 - 3 1.0 0 0 0 0 0 3 0 0 0 0 3 13 - 0.07
June 30, 2025
Jun 30
@Yan1 10 - 8 1.0 0 0 0 0 1 2 0 1 0 1 5 20 - 0.09
June 29, 2025
Jun 29
@Yan1 6 - 1 0.1 0 0 0 0 0 0 0 0 1 0 1 5 - 0.01
June 24, 2025
Jun 24
Pir2 3 - 1 1.0 1 1 1 0 1 2 0 0 0 1 5 19 - 0.03
Player Awards
None