Jon Leonard
Birthdate:
Oct. 3, 2019 (20 y, 11 m, 14 d)Born In:
Simi Valley, CA, USANationality:
American
Position:
PBats/Throws:
R/RHeight/Weight:
5'10"/169Entry:
2038 Draft
- Round: 9, Overall: 271, Team: Seattle Mariners
Contract:
Minor League
ML Service Time:
NoneOSA Rating History
Loading Chart...
| Ratings Changes |
|---|
| 2040-09-17 |
|
Stuff Potential decreased from 50 to 40
|
|
Stuff decreased from 40 to 35
|
|
Stuff vs R decreased from 40 to 35
|
|
Stuff vs L decreased from 40 to 35
|
|
Role changed from CL to SP
|
| 2040-09-10 |
|
Control decreased from 40 to 35
|
| 2040-09-03 |
|
Eye Potential decreased from 30 to 25
|
|
Stuff Potential increased from 40 to 50
|
|
Stuff increased from 35 to 40
|
|
Stuff vs R increased from 35 to 40
|
|
Stuff vs L increased from 35 to 40
|
|
Control increased from 35 to 40
|
|
Role changed from SP to CL
|
| 2040-08-20 |
|
Eye Potential increased from 25 to 30
|
| 2040-08-13 |
|
Eye Potential decreased from 30 to 25
|
|
Weight decreased from 170 to 169
|
| 2040-08-06 |
|
Stuff Potential decreased from 50 to 40
|
|
Stuff decreased from 40 to 35
|
|
Stuff vs R decreased from 40 to 35
|
|
Stuff vs L decreased from 40 to 35
|
|
Role changed from CL to SP
|
|
Weight increased from 169 to 170
|
| 2040-07-31 |
|
Eye Potential increased from 25 to 30
|
|
Control decreased from 40 to 35
|
| 2040-07-23 |
|
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 30 to 25
|
|
Stuff Potential increased from 40 to 50
|
|
Stuff increased from 35 to 40
|
|
Stuff vs R increased from 35 to 40
|
|
Stuff vs L increased from 35 to 40
|
|
Role changed from SP to CL
|
| 2040-07-09 |
|
Gap increased from 25 to 30
|
|
Gap vs R increased from 25 to 30
|
|
Gap vs L increased from 25 to 30
|
|
Power Potential increased from 25 to 30
|
|
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 30
|
|
Avoid Ks increased from 20 to 25
|
|
Avoid Ks vs R increased from 20 to 25
|
|
Avoid Ks vs L increased from 20 to 25
|
|
Movement Potential increased from 45 to 50
|
|
Movement increased from 30 to 45
|
|
Movement vs R increased from 30 to 45
|
|
Movement vs L increased from 25 to 45
|
|
Control increased from 35 to 40
|
|
Control vs R increased from 35 to 40
|
|
Velocity increased from 94-96 mph to 95-97 mph
|
|
Fastball increased from 45 to 50
|
|
Changeup increased from 20 to 25
|
|
Splitter Pot increased from 50 to 55
|
|
Splitter increased from 45 to 50
|
| 2040-07-02 |
|
Stuff increased from 30 to 35
|
|
Stuff vs L increased from 30 to 35
|
|
Movement increased from 25 to 30
|
|
Movement vs R increased from 25 to 30
|
| 2040-06-25 |
|
Movement vs R decreased from 30 to 25
|
| 2040-06-18 |
|
Stuff vs R increased from 30 to 35
|
|
Movement vs R increased from 25 to 30
|
| 2040-06-11 |
|
Eye Potential decreased from 30 to 25
|
| 2040-06-04 |
|
Power Potential decreased from 30 to 25
|
| 2040-05-21 |
|
Power Potential increased from 25 to 30
|
| 2040-05-14 |
|
Movement vs R decreased from 30 to 25
|
| 2040-05-07 |
|
Power Potential decreased from 30 to 25
|
|
Movement vs R increased from 25 to 30
|
| 2040-04-30 |
|
Avoid Ks vs L decreased from 25 to 20
|
|
Movement vs R decreased from 30 to 25
|
| 2040-04-23 |
|
Avoid Ks vs L increased from 20 to 25
|
|
Movement vs R increased from 25 to 30
|
| 2040-04-16 |
|
Power Potential increased from 25 to 30
|
|
Weight increased from 168 to 169
|
| 2040-04-02 |
|
Eye Potential increased from 25 to 30
|
|
Stuff Potential decreased from 45 to 40
|
|
Stuff decreased from 35 to 30
|
|
Stuff vs R decreased from 35 to 30
|
|
Stuff vs L decreased from 35 to 30
|
|
Role changed from RP to SP
|
|
Weight decreased from 169 to 168
|
| 2040-03-12 |
|
Role changed from CL to RP
|
|
Weight decreased from 170 to 169
|
| 2040-02-27 |
|
Stuff Potential increased from 40 to 45
|
|
Stuff increased from 30 to 35
|
|
Stuff vs R increased from 30 to 35
|
|
Stuff vs L increased from 30 to 35
|
|
Role changed from SP to CL
|
| 2040-02-23 |
|
Stuff Potential decreased from 45 to 40
|
|
Stuff decreased from 35 to 30
|
|
Stuff vs R decreased from 35 to 30
|
|
Stuff vs L decreased from 35 to 30
|
|
Movement decreased from 30 to 25
|
|
Movement vs R decreased from 30 to 25
|
|
Role changed from RP to SP
|
|
Weight decreased from 171 to 170
|
| 2040-02-13 |
|
Movement increased from 25 to 30
|
| 2040-02-06 |
|
Stuff Potential increased from 40 to 45
|
|
Stuff increased from 30 to 35
|
|
Stuff vs R increased from 30 to 35
|
|
Stuff vs L increased from 30 to 35
|
|
Role changed from SP to RP
|
| 2040-01-30 |
|
Stuff Potential decreased from 50 to 40
|
|
Stuff decreased from 35 to 30
|
|
Stuff vs R decreased from 35 to 30
|
|
Stuff vs L decreased from 35 to 30
|
|
Movement decreased from 30 to 25
|
|
Role changed from RP to SP
|
| 2040-01-23 |
|
Avoid Ks vs L decreased from 25 to 20
|
| 2040-01-16 |
|
Movement increased from 25 to 30
|
| 2040-01-09 |
|
Movement vs R increased from 25 to 30
|
| 2040-01-02 |
|
Avoid Ks vs L increased from 20 to 25
|
|
Stuff Potential increased from 40 to 50
|
|
Stuff increased from 30 to 35
|
|
Stuff vs R increased from 30 to 35
|
|
Stuff vs L increased from 30 to 35
|
|
Movement decreased from 30 to 25
|
|
Movement vs R decreased from 30 to 25
|
|
Movement vs L decreased from 30 to 25
|
|
Role changed from SP to RP
|
| 2039-12-25 |
|
Weight increased from 170 to 171
|
| 2039-11-28 |
|
Avoid Ks vs L decreased from 25 to 20
|
| 2039-11-02 |
|
Movement vs L increased from 25 to 30
|
| 2039-10-25 |
|
Movement increased from 25 to 30
|
| 2039-10-16 |
|
Movement decreased from 30 to 25
|
|
Movement vs L decreased from 30 to 25
|
| 2039-10-08 |
|
Movement vs L increased from 25 to 30
|
| 2039-09-26 |
|
Movement vs L decreased from 30 to 25
|
| 2039-09-05 |
|
Avoid Ks vs L increased from 20 to 25
|
| 2039-08-29 |
|
Avoid Ks vs L decreased from 25 to 20
|
| 2039-08-22 |
|
Stuff vs R decreased from 35 to 30
|
| 2039-08-15 |
|
Stuff Potential decreased from 50 to 40
|
|
Stuff decreased from 35 to 30
|
|
Stuff vs L decreased from 35 to 30
|
|
Role changed from CL to SP
|
| 2039-08-08 |
|
Avoid Ks vs L increased from 20 to 25
|
| 2039-08-01 |
|
Avoid Ks vs L decreased from 25 to 20
|
|
Stuff Potential increased from 40 to 50
|
|
Stuff increased from 30 to 35
|
|
Stuff vs L increased from 30 to 35
|
|
Role changed from SP to CL
|
| 2039-07-31 |
|
Stuff Potential decreased from 50 to 40
|
|
Stuff decreased from 35 to 30
|
|
Stuff vs L decreased from 35 to 30
|
|
Role changed from RP to SP
|
| 2039-07-18 |
|
Contact Potential decreased from 35 to 30
|
|
Gap increased from 20 to 25
|
|
Gap vs R increased from 20 to 25
|
|
Eye Potential decreased from 30 to 25
|
|
Avoid Ks Potential decreased from 35 to 30
|
|
Avoid Ks vs L increased from 20 to 25
|
|
Stuff Potential increased from 45 to 50
|
|
Stuff increased from 30 to 35
|
|
Stuff vs R increased from 30 to 35
|
|
Stuff vs L increased from 30 to 35
|
|
Movement vs L increased from 25 to 30
|
|
Control Potential decreased from 60 to 55
|
|
Control increased from 30 to 35
|
|
Control vs R increased from 30 to 35
|
|
Control vs L increased from 30 to 35
|
|
Velocity increased from 93-95 mph to 94-96 mph
|
|
Stamina increased from 45 to 50
|
|
Changeup Pot decreased from 30 to 25
|
|
Splitter increased from 40 to 45
|
|
Role changed from SP to RP
|
| 2039-07-11 |
|
Eye increased from 20 to 25
|
|
Eye vs R increased from 20 to 25
|
|
Movement vs L decreased from 30 to 25
|
|
Weight increased from 169 to 170
|
| 2039-07-04 |
|
Eye decreased from 25 to 20
|
|
Eye vs R decreased from 25 to 20
|
|
Movement vs L increased from 25 to 30
|
| 2039-06-27 |
|
Eye increased from 20 to 25
|
|
Eye vs R increased from 20 to 25
|
|
Stuff Potential decreased from 50 to 45
|
|
Stuff decreased from 35 to 30
|
|
Stuff vs R decreased from 35 to 30
|
|
Stuff vs L decreased from 35 to 30
|
|
Movement increased from 25 to 30
|
|
Role changed from CL to SP
|
| 2039-06-20 |
|
Eye decreased from 25 to 20
|
|
Eye vs R decreased from 25 to 20
|
|
Stuff Potential increased from 45 to 50
|
|
Stuff increased from 30 to 35
|
|
Stuff vs R increased from 30 to 35
|
|
Stuff vs L increased from 30 to 35
|
|
Movement vs R increased from 25 to 30
|
|
Role changed from SP to CL
|
| 2039-06-13 |
|
Eye increased from 20 to 25
|
|
Eye vs R increased from 20 to 25
|
| 2039-06-06 |
|
Eye decreased from 25 to 20
|
|
Eye vs R decreased from 25 to 20
|
| 2039-04-11 |
|
Stuff Potential increased from 40 to 45
|
| 2039-04-04 |
|
Contact Potential increased from 30 to 35
|
|
Control Potential increased from 55 to 60
|
| 2039-03-21 |
|
Weight increased from 168 to 169
|
| 2039-02-28 |
|
Contact Potential decreased from 35 to 30
|
|
Stuff Potential decreased from 50 to 40
|
|
Stuff decreased from 35 to 30
|
|
Stuff vs R decreased from 35 to 30
|
|
Stuff vs L decreased from 35 to 30
|
|
Control Potential decreased from 60 to 55
|
|
Role changed from RP to SP
|
|
Weight increased from 167 to 168
|
| 2039-02-07 |
|
Movement vs R decreased from 30 to 25
|
| 2039-01-31 |
|
Eye increased from 20 to 25
|
|
Eye vs R increased from 20 to 25
|
|
Weight increased from 166 to 167
|
| 2039-01-17 |
|
Movement vs R increased from 25 to 30
|
| 2038-12-27 |
|
Stuff Potential increased from 40 to 50
|
|
Stuff increased from 30 to 35
|
|
Stuff vs R increased from 30 to 35
|
|
Stuff vs L increased from 30 to 35
|
|
Movement vs R decreased from 30 to 25
|
|
Role changed from SP to RP
|
| 2038-12-25 |
|
Eye decreased from 25 to 20
|
|
Eye vs R decreased from 25 to 20
|
| 2038-12-20 |
|
Eye increased from 20 to 25
|
|
Eye vs R increased from 20 to 25
|
|
Stuff Potential decreased from 45 to 40
|
|
Weight decreased from 167 to 166
|
| 2038-12-13 |
|
Speed increased from 25 to 30
|
|
Movement vs R increased from 25 to 30
|
| 2038-12-06 |
|
Movement vs R decreased from 30 to 25
|
|
Weight increased from 166 to 167
|
| 2038-11-29 |
|
Eye decreased from 25 to 20
|
|
Eye vs R decreased from 25 to 20
|
| 2038-11-04 |
|
Movement vs R increased from 25 to 30
|
| 2038-10-27 |
|
Eye increased from 20 to 25
|
|
Eye vs R increased from 20 to 25
|
| 2038-10-15 |
|
Eye decreased from 25 to 20
|
|
Eye vs R decreased from 25 to 20
|
| 2038-10-09 |
|
Eye increased from 20 to 25
|
|
Eye vs R increased from 20 to 25
|
| 2038-09-27 |
|
Eye decreased from 25 to 20
|
|
Eye vs R decreased from 25 to 20
|
| 2038-09-20 |
|
Weight decreased from 167 to 166
|
| 2038-09-13 |
|
Movement vs R decreased from 30 to 25
|
| 2038-09-06 |
|
Weight decreased from 168 to 167
|
| 2038-08-02 |
|
Power Potential decreased from 30 to 25
|
|
Movement decreased from 30 to 25
|
| 2038-07-26 |
|
Power Potential increased from 25 to 30
|
|
Movement increased from 25 to 30
|
| 2038-07-19 |
|
Gap vs L increased from 20 to 25
|
|
Eye increased from 20 to 25
|
|
Eye vs R increased from 20 to 25
|
|
Avoid Ks vs L decreased from 25 to 20
|
|
Sac Bunt increased from 40 to 45
|
|
Infield Arm increased from 45 to 50
|
|
Movement vs R increased from 25 to 30
|
|
Control Potential increased from 55 to 60
|
|
Splitter Pot decreased from 55 to 50
|
| 2038-07-12 |
|
Eye decreased from 25 to 20
|
|
Eye vs R decreased from 25 to 20
|
|
Avoid Ks vs L increased from 20 to 25
|
| 2038-07-05 |
|
Power Potential decreased from 30 to 25
|
| 2038-06-28 |
|
Power Potential increased from 25 to 30
|
|
Eye increased from 20 to 25
|
|
Eye vs R increased from 20 to 25
|
| 2038-06-07 |
|
Eye vs L increased from 20 to 25
|
| 2038-05-31 |
|
Weight increased from 167 to 168
|
| 2038-05-24 |
|
Eye vs L decreased from 25 to 20
|
| 2038-05-17 |
|
Eye vs L increased from 20 to 25
|
| 2038-04-19 |
|
Eye vs L decreased from 25 to 20
|
| 2038-04-05 |
|
Contact Potential increased from 30 to 35
|
|
Eye vs L increased from 20 to 25
|
|
Stuff Potential increased from 40 to 45
|
| 2038-02-15 |
|
Stuff Potential decreased from 45 to 40
|
| 2038-02-08 |
|
Splitter Pot increased from 50 to 55
|
| 2038-02-01 |
|
Contact Potential decreased from 35 to 30
|
|
Sac Bunt decreased from 45 to 40
|
|
P defense increased from 45 to 50
|
|
Stuff Potential decreased from 50 to 45
|
|
Stuff decreased from 35 to 30
|
|
Stuff vs R decreased from 35 to 30
|
|
Stuff vs L decreased from 35 to 30
|
|
Movement increased from 20 to 25
|
|
Movement vs R increased from 20 to 25
|
|
Movement vs L increased from 20 to 25
|
|
Control Potential decreased from 60 to 55
|
|
Control increased from 25 to 30
|
|
Control vs R increased from 25 to 30
|
|
Control vs L increased from 25 to 30
|
|
Stamina increased from 40 to 45
|
|
Changeup Pot decreased from 35 to 30
|
|
Splitter Pot decreased from 55 to 50
|
|
Role changed from RP to SP
|
| 2038-01-11 |
|
Weight decreased from 168 to 167
|
| 2038-01-04 |
|
Contact Potential increased from 30 to 35
|
| 2037-12-28 |
|
Contact Potential decreased from 35 to 30
|
| 2037-12-25 |
|
Weight increased from 167 to 168
|
| 2037-12-14 |
|
Weight increased from 166 to 167
|
| 2037-09-21 |
|
Weight decreased from 167 to 166
|
| 2037-06-22 |
|
Contact Potential increased from 30 to 35
|
|
Weight increased from 166 to 167
|
| 2037-04-06 |
|
Stuff increased from 30 to 35
|
|
Stuff vs R increased from 30 to 35
|
|
Stuff vs L increased from 30 to 35
|
|
Control Potential increased from 55 to 60
|
| 2037-02-26 |
|
Control Potential decreased from 60 to 55
|
| 2037-02-16 |
|
Control Potential increased from 55 to 60
|
| 2037-02-09 |
|
Contact increased from 20 to 25
|
|
Contact vs R increased from 20 to 25
|
|
Contact vs L increased from 20 to 25
|
|
Infield Error increased from 25 to 30
|
|
Turn Double Play decreased from 25 to 20
|
|
Stuff Potential decreased from 55 to 50
|
|
Movement Potential increased from 40 to 45
|
|
Control Potential decreased from 60 to 55
|
|
GB% increased from 58% to 59%
|
|
Splitter Pot decreased from 60 to 55
|
| 2037-01-26 |
|
Weight decreased from 167 to 166
|
| 2037-01-19 |
|
Weight decreased from 168 to 167
|
| 2037-01-01 |
|
Stuff decreased from 35 to 30
|
|
Stuff vs R decreased from 35 to 30
|
|
Stuff vs L decreased from 35 to 30
|
|
Weight increased from 167 to 168
|
| 2036-07-01 |
|
Stuff Potential decreased from 65 to 55
|
|
Stuff increased from 30 to 35
|
|
Stuff vs R increased from 30 to 35
|
|
Stuff vs L increased from 30 to 35
|
|
Movement Potential decreased from 45 to 40
|
|
GB% decreased from 59% to 58%
|
|
Fastball Pot decreased from 70 to 65
|
|
Changeup Pot decreased from 40 to 35
|
|
Splitter Pot decreased from 65 to 60
|
|
Weight increased from 166 to 167
|
| 2036-01-01 |
|
Power increased from 20 to 25
|
|
Power vs R increased from 20 to 25
|
|
Power vs L increased from 20 to 25
|
|
Weight increased from 157 to 166
|
|
Height increased from 177 to 180
|
| 2035-07-01 |
|
Power decreased from 25 to 20
|
|
Power vs R decreased from 25 to 20
|
|
Power vs L decreased from 25 to 20
|
|
Weight increased from 156 to 157
|