Johnathan Boone
Free Agent
Johnathan Boone
Birthdate:
Jan. 30, 2026 (26 y, 8 m, 8 d)
Born In:
Alexandria, VA, USA
Nationality:
American
Position:
P
Bats/Throws:
L/L
Height/Weight:
6'0"/188
Entry:
2047 Draft - Round: 33, Overall: 1191, Team: San Francisco Giants
Contract:
Free Agent
ML Service Time:
None
OSA Rating History
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Ratings Changes
2052-10-08
Eye Potential increased from 25 to 30
2052-09-23
Power vs R decreased from 30 to 25
2052-09-09
Power decreased from 30 to 25
Power vs L decreased from 30 to 25
Stuff vs L increased from 40 to 45
Control Potential decreased from 30 to 25
Control vs L decreased from 30 to 25
Role changed from SP to RP
2052-09-02
Power increased from 25 to 30
Power vs R increased from 25 to 30
Power vs L increased from 25 to 30
Stuff vs L decreased from 45 to 40
Role changed from RP to SP
2052-08-26
Power vs R decreased from 30 to 25
2052-08-19
Power vs R increased from 25 to 30
Control Potential increased from 25 to 30
2052-08-12
Power vs R decreased from 30 to 25
Control Potential decreased from 30 to 25
2052-08-05
Power vs R increased from 25 to 30
Stuff vs L increased from 40 to 45
Role changed from SP to RP
2052-07-29
Power vs R decreased from 30 to 25
2052-07-22
Control Potential increased from 25 to 30
2052-07-15
Eye Potential decreased from 30 to 25
Control Potential decreased from 30 to 25
2052-07-01
Power vs R increased from 25 to 30
2052-06-24
Power vs R decreased from 30 to 25
Stuff vs L decreased from 45 to 40
Role changed from RP to SP
2052-06-17
Power vs R increased from 25 to 30
2052-06-10
Power vs R decreased from 30 to 25
Control decreased from 30 to 25
Control vs R decreased from 30 to 25
2052-06-03
Stuff vs L increased from 40 to 45
Role changed from SP to RP
2052-05-27
Power decreased from 30 to 25
2052-05-20
Control vs R increased from 25 to 30
2052-05-13
Power increased from 25 to 30
Stuff vs L decreased from 45 to 40
Control vs R decreased from 30 to 25
Role changed from RP to SP
2052-05-06
Power vs R increased from 25 to 30
Stuff vs L increased from 40 to 45
Role changed from SP to RP
2052-04-29
Power vs R decreased from 30 to 25
2052-04-22
Power vs R increased from 25 to 30
Stuff vs L decreased from 45 to 40
Control Potential increased from 25 to 30
Control increased from 25 to 30
Control vs R increased from 25 to 30
Role changed from RP to SP
2052-04-15
Control vs L increased from 25 to 30
2052-04-08
Stuff vs L increased from 40 to 45
Weight decreased from 189 to 188
2052-04-01
Stuff vs L decreased from 45 to 40
GB% increased from 47% to 48%
Slider Pot decreased from 50 to 45
2052-03-18
Weight increased from 188 to 189
2052-02-19
Gap vs L decreased from 35 to 30
Stuff Potential decreased from 45 to 40
2052-01-22
Control Potential decreased from 30 to 25
Control decreased from 30 to 25
Control vs R decreased from 30 to 25
Control vs L decreased from 30 to 25
2051-12-31
Stuff decreased from 45 to 40
2051-12-11
Stuff increased from 40 to 45
2051-12-01
Stuff decreased from 45 to 40
2051-11-20
Gap vs L increased from 30 to 35
Stuff increased from 40 to 45
Control Potential increased from 25 to 30
Control increased from 25 to 30
Control vs R increased from 25 to 30
Control vs L increased from 25 to 30
2051-11-10
Gap vs L decreased from 35 to 30
Weight increased from 187 to 188
2051-10-31
Gap vs L increased from 30 to 35
2051-10-22
Gap vs L decreased from 35 to 30
2051-10-17
Gap vs L increased from 30 to 35
2051-10-11
Weight decreased from 188 to 187
2051-09-25
Weight decreased from 189 to 188
2051-09-11
Gap vs L decreased from 35 to 30
2051-08-28
Gap vs L increased from 30 to 35
2051-08-21
Gap vs L decreased from 35 to 30
2051-07-10
Weight increased from 188 to 189
2051-06-12
Gap vs L increased from 30 to 35
Weight increased from 187 to 188
2051-06-05
Gap vs L decreased from 35 to 30
Stuff Potential increased from 40 to 45
2051-05-29
Gap vs L increased from 30 to 35
Stuff Potential decreased from 45 to 40
2051-05-22
Gap vs L decreased from 35 to 30
Stuff Potential increased from 40 to 45
Weight increased from 186 to 187
2051-05-15
Avoid Ks Potential decreased from 30 to 25
Infield Error decreased from 35 to 30
Outfield Range decreased from 30 to 25
2051-05-08
Gap vs L increased from 30 to 35
2051-05-01
Gap vs L decreased from 35 to 30
Avoid Ks decreased from 30 to 25
Avoid Ks vs R decreased from 30 to 25
Weight increased from 185 to 186
2051-04-24
Avoid Ks increased from 25 to 30
Avoid Ks vs R increased from 25 to 30
Weight increased from 184 to 185
2051-04-10
Gap vs L increased from 30 to 35
Weight increased from 183 to 184
2051-03-06
Infield Error increased from 30 to 35
GB% increased from 45% to 47%
2051-01-23
Avoid Ks decreased from 30 to 25
Avoid Ks vs R decreased from 30 to 25
2050-12-31
Weight decreased from 184 to 183
2050-08-08
Avoid Ks Potential increased from 25 to 30
Avoid Ks increased from 25 to 30
Avoid Ks vs R increased from 25 to 30
Movement vs R increased from 20 to 25
2050-07-11
Power decreased from 30 to 25
Power vs R decreased from 30 to 25
2050-07-04
Power increased from 25 to 30
Power vs R increased from 25 to 30
2050-06-27
Power decreased from 30 to 25
Power vs R decreased from 30 to 25
Weight decreased from 185 to 184
2050-06-20
Gap vs L decreased from 35 to 30
2050-06-13
Power increased from 25 to 30
2050-05-23
Power vs R increased from 25 to 30
2050-05-16
Power vs R decreased from 30 to 25
2050-05-09
Gap vs L increased from 30 to 35
Power vs R increased from 25 to 30
Weight decreased from 186 to 185
2050-05-02
Avoid Ks Potential decreased from 30 to 25
2050-04-25
Gap vs L decreased from 35 to 30
2050-04-18
Gap vs L increased from 30 to 35
Avoid Ks Potential increased from 25 to 30
2050-04-11
Stuff vs L increased from 40 to 45
2050-04-04
Avoid Ks Potential decreased from 30 to 25
P defense decreased from 50 to 45
Stuff vs L decreased from 45 to 40
Movement vs R decreased from 25 to 20
GB% decreased from 47% to 45%
2050-02-21
Weight decreased from 187 to 186
2050-01-24
Power decreased from 30 to 25
Power vs R decreased from 30 to 25
2049-12-19
Power increased from 25 to 30
2049-11-27
Power vs R increased from 25 to 30
2049-11-04
Power vs R decreased from 30 to 25
2049-10-29
Power vs R increased from 25 to 30
2049-10-04
Weight increased from 186 to 187
2049-09-13
Power decreased from 30 to 25
Power vs R decreased from 30 to 25
2049-08-16
Power vs L decreased from 30 to 25
2049-08-09
Stuff vs L increased from 40 to 45
Movement Potential decreased from 30 to 25
Control Potential decreased from 30 to 25
Velocity increased from 90-92 mph to 91-93 mph
GB% decreased from 48% to 47%
Slider Pot increased from 45 to 50
2049-07-19
Weight increased from 185 to 186
2049-07-12
Eye vs R decreased from 30 to 25
2049-06-14
Power vs L increased from 25 to 30
2049-06-07
Power vs L decreased from 30 to 25
2049-05-24
Power vs L increased from 25 to 30
2049-05-17
Power vs L decreased from 30 to 25
2049-05-03
Eye decreased from 30 to 25
2049-04-26
Power vs L increased from 25 to 30
2049-04-19
Power increased from 25 to 30
Power vs R increased from 25 to 30
Eye increased from 25 to 30
Eye vs R increased from 25 to 30
2049-04-05
Movement Potential increased from 25 to 30
2049-03-22
Movement Potential decreased from 30 to 25
2049-03-22
Movement Potential increased from 25 to 30
2049-03-08
Movement Potential decreased from 30 to 25
2049-02-22
Power vs R decreased from 30 to 25
Movement Potential increased from 25 to 30
2049-01-25
Power decreased from 30 to 25
Power vs L decreased from 30 to 25
Eye vs R decreased from 30 to 25
Movement Potential decreased from 30 to 25
2049-01-01
Gap increased from 30 to 35
Gap vs R increased from 30 to 35
Power Potential decreased from 35 to 30
Eye vs R increased from 25 to 30
Speed decreased from 25 to 20
Infield Range decreased from 35 to 30
Turn Double Play decreased from 25 to 20
Stuff increased from 35 to 40
Stuff vs R increased from 35 to 40
Movement Potential increased from 25 to 30
Movement increased from 20 to 25
Movement vs R increased from 20 to 25
Control Potential decreased from 35 to 30
GB% increased from 47% to 48%
Stamina increased from 40 to 45
Sinker increased from 40 to 45
Slider increased from 40 to 45
Changeup increased from 45 to 50
2048-07-01
Eye Potential decreased from 35 to 30
Control Potential increased from 30 to 35
Weight increased from 182 to 185
2048-01-01
Gap increased from 25 to 30
Gap vs R increased from 25 to 30
Gap vs L increased from 25 to 30
Power Potential decreased from 40 to 35
Stuff vs R increased from 30 to 35
Stuff vs L increased from 30 to 40
Movement vs L increased from 20 to 25
Control Potential decreased from 35 to 30
Control increased from 20 to 25
Control vs R increased from 20 to 25
Control vs L increased from 20 to 25
Velocity increased from 89-91 mph to 90-92 mph
GB% increased from 45% to 47%
Stamina decreased from 45 to 40
Fastball increased from 40 to 45
Slider Pot decreased from 50 to 45
Slider increased from 35 to 40
Changeup increased from 40 to 45
Weight increased from 180 to 182
2047-07-01
Power Potential increased from 35 to 40
Power increased from 25 to 30
Power vs R increased from 25 to 30
Power vs L increased from 25 to 30
Avoid Ks vs L increased from 20 to 25
Stuff increased from 30 to 35
Stuff vs L decreased from 35 to 30
Velocity increased from 88-90 mph to 89-91 mph
GB% decreased from 46% to 45%
Fastball increased from 35 to 40
Changeup increased from 35 to 40
Weight decreased from 181 to 180
2047-01-01
Power Potential decreased from 40 to 35
Power decreased from 30 to 25
Power vs R decreased from 30 to 25
Eye vs L increased from 20 to 25
Stuff vs L increased from 30 to 35
Weight increased from 176 to 181
2046-07-01
Gap Potential decreased from 40 to 35
Power vs L decreased from 30 to 25
Eye increased from 20 to 25
Avoid Ks increased from 20 to 25
Avoid Ks vs R increased from 20 to 25
Stuff vs R increased from 25 to 30
Control Potential decreased from 40 to 35
Sinker Pot decreased from 50 to 45
Changeup Pot decreased from 55 to 50
Changeup increased from 30 to 35
Role changed from SP to RP
Weight increased from 175 to 176
2046-01-01
Sinker Pot increased from 45 to 50
Weight decreased from 176 to 175
2045-07-01
Eye vs R increased from 20 to 25
Control Potential increased from 35 to 40