Josiah O'Brien
Free Agent
Josiah O'Brien
Birthdate:
Feb. 17, 2026 (34 y, 3 m, 21 d)
Born In:
Grand Prairie, TX, USA
Nationality:
American
Position:
P
Bats/Throws:
R/R
Height/Weight:
6'4"/201
Entry:
2043 Draft - Round: 9, Overall: 204, Team: Santo Domingo Rum Runners
Contract:
Free Agent
ML Service Time:
0 years, 21 days
OSA Rating History
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Ratings Changes
2060-05-17
Weight increased from 200 to 201
2060-04-26
Outfield Error decreased from 45 to 40
Movement vs L decreased from 75 to 70
GB% decreased from 70% to 68%
2060-03-17
Weight increased from 199 to 200
2060-03-01
Weight decreased from 200 to 199
2059-09-01
Weight increased from 199 to 200
2059-07-28
Weight decreased from 200 to 199
2059-04-28
Contact Potential decreased from 30 to 25
Contact decreased from 30 to 25
Contact vs R decreased from 30 to 25
Contact vs L decreased from 30 to 25
P defense decreased from 25 to 20
GB% decreased from 71% to 70%
Stamina decreased from 60 to 55
2058-06-17
Weight increased from 199 to 200
2058-04-22
Infield Error decreased from 35 to 30
Stuff Potential decreased from 55 to 50
Stuff decreased from 55 to 50
Stuff vs R decreased from 55 to 50
Stuff vs L decreased from 60 to 50
Curveball Pot decreased from 60 to 55
Curveball decreased from 60 to 55
2058-04-08
Weight decreased from 200 to 199
2057-08-06
Weight decreased from 201 to 200
2057-07-09
Weight increased from 200 to 201
2057-06-11
Weight decreased from 201 to 200
2057-04-23
Movement Potential decreased from 80 to 75
Movement decreased from 80 to 75
Movement vs R decreased from 80 to 75
Movement vs L decreased from 80 to 75
Control Potential decreased from 55 to 50
Control decreased from 55 to 50
Control vs R decreased from 55 to 50
Control vs L decreased from 55 to 50
GB% decreased from 73% to 71%
Stamina increased from 55 to 60
2057-02-10
Weight increased from 200 to 201
2057-01-01
Stealing decreased from 25 to 20
2056-07-01
Contact increased from 25 to 30
Contact vs R increased from 25 to 30
Contact vs L increased from 25 to 30
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
Eye Potential decreased from 25 to 20
Eye decreased from 25 to 20
Eye vs R decreased from 25 to 20
Eye vs L decreased from 25 to 20
Stealing increased from 20 to 25
Turn Double Play decreased from 35 to 30
Control Potential increased from 50 to 55
Control increased from 50 to 55
Control vs R increased from 50 to 55
Control vs L increased from 50 to 55
GB% decreased from 74% to 73%
Stamina decreased from 60 to 55
2055-07-01
Contact decreased from 30 to 25
Contact vs R decreased from 30 to 25
Contact vs L decreased from 30 to 25
Infield Arm decreased from 60 to 55
Outfield Arm decreased from 30 to 25
P defense decreased from 30 to 25
Control Potential decreased from 55 to 50
Control vs R decreased from 55 to 50
Changeup Pot decreased from 25 to 20
Weight decreased from 201 to 200
2055-01-01
Role changed from RP to SP
2054-07-01
Contact vs L decreased from 35 to 30
Avoid Ks Potential decreased from 30 to 25
Avoid Ks decreased from 30 to 25
Avoid Ks vs R decreased from 30 to 25
Avoid Ks vs L decreased from 30 to 25
Movement Potential increased from 70 to 80
Movement increased from 70 to 80
Movement vs R increased from 70 to 80
Movement vs L increased from 70 to 80
Control vs R increased from 50 to 55
GB% increased from 67% to 74%
Changeup Pot decreased from 30 to 25
Changeup decreased from 25 to 20
Weight decreased from 202 to 201
2054-01-01
Weight increased from 200 to 202
2053-07-01
Contact Potential decreased from 35 to 30
Contact decreased from 35 to 30
Contact vs R decreased from 35 to 30
Sac Bunt increased from 45 to 50
Stuff vs L increased from 55 to 60
Control Potential increased from 50 to 55
GB% increased from 65% to 67%
Stamina increased from 55 to 60
Fastball Pot decreased from 60 to 55
Fastball decreased from 60 to 55
Changeup Pot decreased from 35 to 30
Changeup decreased from 30 to 25
Role changed from SP to RP
2053-01-01
Eye Potential decreased from 30 to 25
Eye decreased from 30 to 25
Eye vs R decreased from 30 to 25
Eye vs L decreased from 30 to 25
Sac Bunt decreased from 50 to 45
Bunt for Hit decreased from 25 to 20
Infield Range decreased from 25 to 20
Outfield Arm increased from 25 to 30
P defense decreased from 40 to 30
Movement Potential increased from 60 to 70
Movement increased from 60 to 70
Movement vs R increased from 60 to 70
Movement vs L increased from 60 to 70
Control Potential decreased from 55 to 50
Control decreased from 55 to 50
Control vs R decreased from 55 to 50
Control vs L decreased from 55 to 50
GB% increased from 63% to 65%
Stamina decreased from 60 to 55
Fastball Pot increased from 55 to 60
Fastball increased from 55 to 60
Changeup Pot decreased from 45 to 35
Weight decreased from 201 to 200
2052-07-01
Outfield Arm decreased from 30 to 25
GB% increased from 61% to 63%
2052-01-01
Movement vs L increased from 55 to 60
Control Potential increased from 50 to 55
Control increased from 50 to 55
Control vs R increased from 50 to 55
Control vs L increased from 50 to 55
GB% increased from 59% to 61%
Weight increased from 200 to 201
2051-07-01
Bunt for Hit increased from 20 to 25
Movement vs L decreased from 60 to 55
Control increased from 45 to 50
Control vs R increased from 45 to 50
Control vs L increased from 45 to 50
Stamina increased from 55 to 60
Curveball increased from 55 to 60
Weight increased from 199 to 200
2051-01-01
Bunt for Hit decreased from 25 to 20
GB% decreased from 60% to 59%
Weight decreased from 200 to 199
2050-07-01
Outfield Range decreased from 25 to 20
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
GB% increased from 56% to 60%
Hold increased from 55 to 60
2050-01-01
Bunt for Hit increased from 20 to 25
Stuff increased from 50 to 55
Stuff vs R increased from 50 to 55
Stuff vs L increased from 50 to 55
Movement vs R decreased from 60 to 55
Control decreased from 50 to 45
Control vs R decreased from 50 to 45
Control vs L decreased from 50 to 45
GB% decreased from 57% to 56%
Changeup increased from 25 to 30
Weight increased from 199 to 200
2049-07-01
Stuff decreased from 55 to 50
Stuff vs R decreased from 55 to 50
Stuff vs L decreased from 55 to 50
Movement Potential decreased from 60 to 55
Movement vs R increased from 55 to 60
Control increased from 40 to 50
Control vs R increased from 40 to 50
Control vs L increased from 40 to 50
GB% decreased from 59% to 57%
Hold increased from 50 to 55
Fastball Pot decreased from 60 to 55
Fastball decreased from 60 to 55
Changeup decreased from 30 to 25
2049-01-01
Bunt for Hit decreased from 25 to 20
P defense increased from 20 to 40
Stuff increased from 50 to 55
Stuff vs R increased from 50 to 55
Stuff vs L increased from 50 to 55
Movement Potential increased from 55 to 60
Control decreased from 45 to 40
Control vs R decreased from 45 to 40
Control vs L decreased from 45 to 40
GB% increased from 58% to 59%
Fastball Pot increased from 55 to 60
Fastball increased from 55 to 60
Curveball increased from 45 to 55
Changeup increased from 25 to 30
Weight increased from 195 to 199
2048-07-01
Baserunning decreased from 25 to 20
Stuff vs L increased from 45 to 50
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 40 to 45
Control vs R increased from 40 to 45
Control vs L increased from 40 to 45
Forkball increased from 50 to 55
Weight increased from 194 to 195
2048-01-01
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 45 to 50
Stuff vs R increased from 45 to 50
Control decreased from 45 to 40
Control vs R decreased from 45 to 40
Control vs L decreased from 45 to 40
GB% decreased from 59% to 58%
Curveball increased from 40 to 45
Weight increased from 193 to 194
2047-07-01
Eye Potential decreased from 35 to 30
Stuff increased from 40 to 45
Stuff vs L increased from 40 to 45
Movement Potential decreased from 60 to 55
Control Potential decreased from 55 to 50
Control increased from 40 to 45
Control vs R increased from 40 to 45
Control vs L increased from 40 to 45
Fastball increased from 50 to 55
Forkball increased from 45 to 50
Weight increased from 190 to 193
2047-01-01
Baserunning increased from 20 to 25
Infield Error increased from 30 to 35
Stuff vs R increased from 40 to 45
Movement increased from 45 to 50
Movement vs R increased from 45 to 50
Movement vs L increased from 45 to 50
Control decreased from 45 to 40
Control vs R decreased from 45 to 40
Control vs L decreased from 45 to 40
GB% decreased from 60% to 59%
Curveball Pot increased from 55 to 60
Curveball increased from 35 to 40
Weight decreased from 191 to 190
2046-07-01
Gap vs R increased from 30 to 35
Outfield Error increased from 40 to 45
Control increased from 40 to 45
Control vs R increased from 40 to 45
Control vs L increased from 40 to 45
GB% increased from 58% to 60%
Changeup Pot decreased from 50 to 45
Changeup increased from 20 to 25
2046-01-01
Control increased from 35 to 40
Control vs R increased from 35 to 40
Control vs L increased from 35 to 40
Fastball increased from 45 to 50
Slider increased from 30 to 35
Weight decreased from 192 to 191
2045-07-01
Power Potential increased from 20 to 25
Power increased from 20 to 25
Power vs R increased from 20 to 25
Power vs L increased from 20 to 25
Infield Arm increased from 55 to 60
Stuff vs L increased from 35 to 40
GB% decreased from 61% to 58%
Hold increased from 45 to 50
Fastball Pot decreased from 60 to 55
Curveball increased from 30 to 35
Changeup Pot increased from 45 to 50
Weight decreased from 194 to 192
2045-01-01
Contact increased from 30 to 35
Contact vs R increased from 30 to 35
Contact vs L increased from 30 to 35
Turn Double Play increased from 30 to 35
Stuff increased from 35 to 40
Stuff vs R increased from 35 to 40
Movement increased from 40 to 45
Movement 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
Velocity increased from 92-94 mph to 93-95 mph
GB% increased from 59% to 61%
Fastball Pot increased from 55 to 60
Fastball increased from 40 to 45
Slider Pot increased from 30 to 35
Forkball increased from 40 to 45
2044-07-01
Gap increased from 30 to 35
Gap vs L increased from 30 to 35
GB% decreased from 60% to 59%
Role changed from RP to SP
2044-01-01
Contact increased from 25 to 30
Contact vs R increased from 25 to 30
Contact vs L increased from 25 to 30
Gap increased from 25 to 30
Gap vs R increased from 25 to 30
Gap vs L increased from 25 to 30
Infield Error increased from 25 to 30
Stuff Potential increased from 50 to 55
Stuff vs L increased from 30 to 35
Movement vs R increased from 40 to 45
Velocity increased from 89-91 mph to 92-94 mph
Fastball Pot increased from 50 to 55
Fastball increased from 35 to 40
Curveball increased from 25 to 30
Forkball Pot increased from 50 to 55
Forkball increased from 35 to 40
Weight increased from 191 to 194
2043-07-01
Sac Bunt increased from 45 to 50
Movement vs R decreased from 45 to 40
Control increased from 25 to 30
Control vs L increased from 25 to 30
GB% decreased from 61% to 60%
Weight increased from 189 to 191
2043-01-01
Contact increased from 20 to 25
Contact vs R increased from 20 to 25
Contact vs L increased from 20 to 25
Gap Potential increased from 20 to 35
Gap increased from 20 to 25
Gap vs R increased from 20 to 25
Gap vs L increased from 20 to 25
Power Potential decreased from 50 to 20
Power decreased from 25 to 20
Power vs R decreased from 25 to 20
Power vs L decreased from 25 to 20
Eye Potential increased from 20 to 35
Eye increased from 20 to 30
Eye vs R increased from 20 to 30
Eye vs L increased from 20 to 30
Avoid Ks Potential decreased from 45 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
Bunt for Hit increased from 20 to 25
Infield Error decreased from 30 to 25
Outfield Range increased from 20 to 25
Outfield Error increased from 30 to 40
Stuff Potential decreased from 55 to 50
Stuff vs L decreased from 35 to 30
Movement Potential increased from 55 to 60
Movement vs R increased from 40 to 45
Control Potential increased from 50 to 55
Control increased from 20 to 25
Control vs R increased from 20 to 30
Control vs L increased from 20 to 25
GB% decreased from 62% to 61%
Stamina increased from 50 to 55
Curveball Pot decreased from 60 to 55
Changeup Pot decreased from 50 to 45
Weight increased from 188 to 189
Height increased from 193 to 194
2042-07-01
P defense decreased from 35 to 20
Weight increased from 182 to 188
Height increased from 191 to 193
2042-01-01
Contact Potential increased from 30 to 35
Gap Potential decreased from 35 to 20
Gap decreased from 30 to 20
Gap vs R decreased from 25 to 20
Gap vs L decreased from 30 to 20
Power Potential increased from 20 to 50
Power increased from 20 to 25
Power vs R increased from 20 to 25
Power vs L increased from 20 to 25
Eye Potential decreased from 25 to 20
Avoid Ks Potential increased from 30 to 45
Sac Bunt decreased from 55 to 45
Bunt for Hit decreased from 25 to 20
Speed decreased from 25 to 20
Infield Arm increased from 50 to 55
Outfield Range decreased from 30 to 20
Outfield Error decreased from 35 to 30
P defense decreased from 40 to 35
Stuff vs L increased from 30 to 35
Movement increased from 35 to 40
Movement vs L increased from 35 to 40
Control decreased from 25 to 20
Control vs R decreased from 25 to 20
Control vs L decreased from 25 to 20
GB% increased from 60% to 62%
Weight increased from 178 to 182
2041-07-01
Stuff increased from 30 to 35
Stuff vs R increased from 30 to 35
Role changed from SP to RP