Jerming Rosario
Tulsa Drillers (AA)
Jerming Rosario
Birthdate:
May 8, 2002 (22 y, 11 m, 20 d)
Born In:
BanĂ­, PER, DOM
Nationality:
Dominican
Position:
P
Bats/Throws:
R/R
Height/Weight:
6'0"/177
Entry:
Unknown
Contract:
Minor League
ML Service Time:
None
OSA Rating History
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Ratings Changes
2025-04-28
Stuff Potential increased from 60 to 65
Stuff increased from 50 to 60
Stuff vs R increased from 50 to 60
Stuff vs L increased from 50 to 60
Hold increased from 45 to 50
Role changed from SP to RP
2025-04-21
Stuff Potential decreased from 65 to 60
Stuff decreased from 60 to 50
Stuff vs R decreased from 60 to 50
Stuff vs L decreased from 60 to 50
Role changed from RP to SP
Weight increased from 176 to 177
2025-04-14
Weight decreased from 177 to 176
2025-04-07
Stuff Potential increased from 60 to 65
Stuff increased from 50 to 60
Stuff vs R increased from 50 to 60
Stuff vs L increased from 50 to 60
Role changed from SP to RP
2025-03-27
Stuff decreased from 55 to 50
Stuff vs R decreased from 55 to 50
2025-01-13
Weight decreased from 178 to 177
2024-12-30
Weight increased from 177 to 178
2024-11-02
Stuff vs L decreased from 55 to 50
Local Popularity decreased from Insignificant to Unknown
2024-09-16
Weight increased from 176 to 177
2024-07-29
Movement decreased from 45 to 40
Movement vs R decreased from 45 to 40
Movement vs L decreased from 45 to 40
GB% decreased from 48% to 46%
2024-07-15
Control Potential decreased from 45 to 40
2024-06-10
Stuff vs L increased from 50 to 55
Movement increased from 40 to 45
Movement vs R increased from 40 to 45
Movement vs L increased from 40 to 45
2024-06-03
Stuff Potential decreased from 70 to 60
Stuff decreased from 60 to 55
Stuff vs R decreased from 60 to 55
Stuff vs L decreased from 60 to 50
Role changed from RP to SP
2024-05-27
Stuff Potential increased from 60 to 70
Stuff increased from 55 to 60
Stuff vs R increased from 55 to 60
Stuff vs L increased from 50 to 60
Role changed from SP to RP
2024-05-13
Infield Error decreased from 40 to 35
Stuff Potential decreased from 65 to 60
Stuff increased from 50 to 55
Stuff vs R increased from 50 to 55
Movement Potential increased from 40 to 45
Movement increased from 35 to 40
Movement vs L increased from 35 to 40
Velocity increased from 92-94 mph to 93-95 mph
GB% increased from 47% to 48%
Fastball increased from 60 to 65
Changeup increased from 70 to 75
2024-04-01
Stuff Potential decreased from 70 to 65
Stuff decreased from 55 to 50
Stuff vs R decreased from 55 to 50
Stuff vs L decreased from 55 to 50
Role changed from RP to SP
2024-03-28
Stuff Potential decreased from 75 to 70
Stuff decreased from 60 to 55
Stuff vs R decreased from 60 to 55
Movement Potential decreased from 45 to 40
Movement decreased from 40 to 35
Movement vs L decreased from 40 to 35
2024-03-18
Weight increased from 175 to 176
2024-03-11
Stuff Potential increased from 65 to 75
Stuff increased from 50 to 60
Stuff vs R increased from 50 to 60
Stuff vs L increased from 50 to 55
Role changed from SP to RP
2023-11-02
Eye Potential decreased from 35 to 30
Local Popularity increased from Unknown to Insignificant
2023-08-21
Stealing increased from 25 to 30
Stuff Potential decreased from 75 to 65
Stuff decreased from 60 to 50
Stuff vs R decreased from 60 to 50
Stuff vs L decreased from 55 to 50
Role changed from RP to SP
2023-08-14
Eye Potential increased from 30 to 35
Stuff Potential increased from 65 to 75
Stuff increased from 50 to 60
Stuff vs R increased from 55 to 60
Stuff vs L increased from 50 to 55
Movement increased from 35 to 40
Movement vs R increased from 35 to 40
Movement vs L increased from 35 to 40
Role changed from SP to RP
2023-07-10
Curveball Pot decreased from 60 to 55
Weight increased from 174 to 175
2023-06-05
Stuff vs R increased from 50 to 55
GB% decreased from 49% to 47%
2023-05-08
Stuff vs R decreased from 55 to 50
2023-05-01
Stuff Potential decreased from 75 to 65
Stuff decreased from 60 to 50
Stuff vs R decreased from 60 to 55
Stuff vs L decreased from 60 to 50
Role changed from RP to SP
2023-04-03
Stuff Potential increased from 65 to 75
Stuff increased from 50 to 60
Stuff vs R increased from 55 to 60
Stuff vs L increased from 50 to 60
Role changed from SP to RP