J.W. Hertzberg
Mississippi Braves (AA)
J.W. Hertzberg
Birthdate:
May 20, 2001 (22 y, 11 m, 13 d)
Born In:
Simpsonville, SC, USA
Nationality:
American
Position:
P
Bats/Throws:
R/R
Height/Weight:
6'2"/201
Entry:
2020 Draft - Round: 22, Overall: 663, Team: Washington Nationals
Contract:
Minor League
ML Service Time:
None
OSA Rating History
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Ratings Changes
2024-04-24
Sac Bunt increased from 45 to 50
Bunt for Hit decreased from 25 to 20
Infield Error decreased from 40 to 35
Stuff vs L increased from 55 to 60
GB% decreased from 59% to 58%
2024-04-13
Weight decreased from 202 to 201
2023-11-11
Contact vs L decreased from 35 to 30
Gap Potential increased from 35 to 45
Gap increased from 35 to 45
Gap vs R increased from 35 to 45
Gap vs L increased from 40 to 45
Power Potential decreased from 25 to 20
Power decreased from 25 to 20
Power vs R decreased from 25 to 20
Power vs L decreased from 25 to 20
Bunt for Hit increased from 20 to 25
Infield Range increased from 35 to 40
Infield Error increased from 35 to 40
Infield Arm decreased from 40 to 35
Turn Double Play decreased from 25 to 20
Outfield Arm decreased from 55 to 50
Catcher Arm decreased from 25 to 20
Stuff Potential decreased from 65 to 60
Stuff vs L decreased from 60 to 55
Movement Potential increased from 55 to 60
Movement increased from 55 to 60
Movement vs R increased from 55 to 60
Movement vs L increased from 55 to 60
Control Potential decreased from 50 to 45
Curveball Pot decreased from 55 to 50
Curveball increased from 40 to 45
Slider Pot increased from 55 to 60
Slider increased from 55 to 60
Changeup decreased from 65 to 60
2023-09-22
Weight decreased from 203 to 202
2023-08-10
Sac Bunt decreased from 50 to 45
Stuff Potential increased from 60 to 65
Stuff increased from 55 to 60
Stuff vs R increased from 55 to 60
Stuff vs L increased from 55 to 60
Movement Potential increased from 50 to 55
Movement increased from 50 to 55
Movement vs R increased from 50 to 55
Movement vs L increased from 50 to 55
Control increased from 35 to 40
Velocity increased from 95-97 mph to 96-98 mph
GB% increased from 58% to 59%
Fastball increased from 55 to 60
Slider increased from 50 to 55
Changeup increased from 60 to 65
2023-07-02
P defense increased from 45 to 50
2023-05-25
Weight increased from 202 to 203
2023-05-11
Gap vs L increased from 35 to 40
Eye Potential increased from 25 to 30
Eye increased from 25 to 30
Eye vs R increased from 25 to 30
Eye vs L increased from 25 to 30
Sac Bunt increased from 45 to 50
Stuff increased from 50 to 55
Stuff vs R increased from 50 to 55
Stuff vs L increased from 45 to 55
Movement increased from 45 to 50
Movement vs R increased from 45 to 50
Movement vs L increased from 45 to 50
Control increased from 25 to 35
Control vs R increased from 25 to 35
Control vs L increased from 30 to 40
Velocity increased from 93-95 mph to 95-97 mph
Fastball Pot increased from 60 to 65
Fastball increased from 50 to 55
Curveball increased from 35 to 40
Changeup increased from 50 to 60
2023-04-15
Weight decreased from 203 to 202
2023-02-09
Weight decreased from 204 to 203
2023-01-26
Weight increased from 203 to 204
2022-09-29
Weight decreased from 204 to 203
2022-09-26
Control vs R increased from 20 to 25
Control vs L decreased from 35 to 30
2022-09-01
P defense increased from 40 to 45
2022-08-29
Contact vs L increased from 30 to 35
Gap increased from 30 to 35
Gap vs R increased from 30 to 35
P defense decreased from 45 to 40
Stuff increased from 45 to 50
Movement increased from 40 to 45
Movement vs R increased from 40 to 45
Movement vs L increased from 40 to 45
Control decreased from 35 to 25
Control vs L decreased from 50 to 35
Velocity increased from 92-94 mph to 93-95 mph
GB% increased from 57% to 58%
Curveball Pot increased from 50 to 55
Curveball increased from 30 to 35
Slider Pot increased from 50 to 55
Slider increased from 45 to 50
2022-07-30
P defense increased from 40 to 45
2022-06-16
Control vs R decreased from 35 to 20
Control vs L increased from 35 to 50
2022-06-09
Weight increased from 203 to 204
2022-05-12
Gap vs L increased from 30 to 35
Eye increased from 20 to 25
Eye vs R increased from 20 to 25
Eye vs L increased from 20 to 25
Avoid Ks increased from 25 to 30
Avoid Ks vs R increased from 25 to 30
Avoid Ks vs L increased from 25 to 30
Stuff increased from 40 to 45
Stuff vs R increased from 45 to 50
Stuff vs L increased from 40 to 45
Control increased from 30 to 35
Control vs R increased from 30 to 35
Control vs L increased from 30 to 35
GB% increased from 55% to 57%
Fastball increased from 45 to 50
Slider increased from 40 to 45
Changeup Pot decreased from 70 to 65
Changeup increased from 45 to 50
2022-03-31
Weight increased from 202 to 203
2022-02-12
Weight increased from 201 to 202
2022-01-28
Weight decreased from 202 to 201
2022-01-01
Baserunning increased from 30 to 35
2021-12-24
Hold increased from 35 to 40
2021-11-03
Contact Potential decreased from 40 to 30
Contact decreased from 40 to 30
Contact vs R decreased from 40 to 30
Contact vs L decreased from 40 to 30
Gap Potential decreased from 40 to 35
Gap decreased from 35 to 30
Gap vs R decreased from 35 to 30
Gap vs L decreased from 35 to 30
Power Potential decreased from 30 to 25
Power decreased from 30 to 25
Power vs R decreased from 30 to 25
Power vs L decreased from 30 to 25
Eye Potential decreased from 35 to 25
Eye decreased from 30 to 20
Eye vs R decreased from 30 to 20
Eye vs L decreased from 30 to 20
Avoid Ks Potential decreased from 35 to 30
Avoid Ks decreased from 35 to 25
Avoid Ks vs R decreased from 35 to 25
Avoid Ks vs L decreased from 35 to 25
Sac Bunt decreased from 50 to 45
Bunt for Hit decreased from 25 to 20
Infield Range decreased from 40 to 35
Outfield Range decreased from 40 to 30
Outfield Error decreased from 35 to 30
Outfield Arm decreased from 60 to 55
Catcher Ability decreased from 25 to 20
Catcher Arm increased from 20 to 25
Stuff Potential increased from 55 to 60
Stuff vs R increased from 40 to 45
Stuff vs L increased from 35 to 40
Movement vs L increased from 35 to 40
Control Potential decreased from 55 to 50
Control vs R decreased from 35 to 30
Control vs L decreased from 35 to 30
Velocity increased from 91-93 mph to 92-94 mph
GB% increased from 50% to 55%
Stamina decreased from 65 to 55
Fastball Pot increased from 55 to 60
Slider increased from 35 to 40
Changeup Pot increased from 55 to 70
Changeup increased from 35 to 45
2021-08-23
Stuff vs L decreased from 40 to 35
Role changed from CL to SP
2021-08-09
Role changed from RP to CL
2021-07-05
Stuff vs L increased from 30 to 40
Role changed from SP to RP
2021-05-09
Stuff increased from 35 to 40
2021-04-12
Contact increased from 35 to 40
Contact vs R increased from 35 to 40
Gap increased from 30 to 35
Gap vs R increased from 30 to 35
Stuff Potential increased from 50 to 55
Stuff vs R increased from 35 to 40
Movement increased from 35 to 40
Movement vs R increased from 35 to 40
Control Potential decreased from 60 to 55
Velocity increased from 90-92 mph to 91-93 mph
Stamina increased from 60 to 65
Fastball Pot increased from 50 to 55
Fastball increased from 40 to 45
Changeup increased from 30 to 35
2021-03-29
Stuff Potential decreased from 55 to 50
Stuff vs R decreased from 40 to 35
Role changed from RP to SP
2021-02-03
Stuff Potential increased from 50 to 55
Stuff vs R increased from 35 to 40
Role changed from SP to RP
2021-02-01
Stuff Potential decreased from 55 to 50
Stuff vs R decreased from 40 to 35
Role changed from RP to SP
2021-01-21
Stuff Potential increased from 50 to 55
Stuff vs R increased from 35 to 40
Role changed from SP to RP
2021-01-01
Stuff vs L decreased from 35 to 30
Control decreased from 35 to 30
Changeup Pot decreased from 60 to 55
2021-01-01
Contact vs L increased from 35 to 40
Gap vs L increased from 30 to 35
Avoid Ks increased from 30 to 35
Avoid Ks vs R increased from 30 to 35
Avoid Ks vs L increased from 30 to 35
Stuff Potential decreased from 55 to 50
Stuff vs L increased from 30 to 35
Movement Potential increased from 45 to 50
Control vs L increased from 30 to 35
Velocity increased from 89-91 mph to 90-92 mph
GB% increased from 49% to 50%
Curveball Pot decreased from 55 to 50
Slider Pot increased from 45 to 50
Slider increased from 30 to 35
Changeup increased from 20 to 30
Weight increased from 200 to 202
2020-07-01
Contact Potential decreased from 45 to 40
Power increased from 25 to 30
Power vs R increased from 25 to 30
Power vs L increased from 25 to 30
Eye Potential increased from 25 to 35
Eye increased from 25 to 30
Eye vs R increased from 25 to 30
Eye vs L increased from 25 to 30
Avoid Ks Potential decreased from 40 to 35
Sac Bunt decreased from 55 to 50
Stuff Potential increased from 40 to 55
Stuff increased from 30 to 35
Stuff vs R increased from 30 to 35
Stuff vs L increased from 25 to 30
Movement Potential decreased from 50 to 45
Control Potential increased from 55 to 60
Control vs L decreased from 35 to 30
Velocity increased from 85-87 mph to 89-91 mph
Stamina increased from 50 to 60
Fastball Pot increased from 35 to 50
Fastball increased from 30 to 40
Curveball Pot increased from 50 to 55
Curveball increased from 25 to 30
Slider Pot increased from 40 to 45
Changeup Pot increased from 20 to 60