Corey Rosier
Buffalo Bisons (AAA)
Corey Rosier
Birthdate:
Sept. 7, 1999 (29 y, 10 m, 20 d)
Born In:
Waldorf, MD, USA
Nationality:
American
Position:
LF
Bats/Throws:
L/R
Height/Weight:
5'10"/189
Entry:
Unknown
Contract:
Minor League
ML Service Time:
1 years, 100 days
OSA Rating History
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Ratings Changes
2029-04-02
Avoid Ks vs L increased from 55 to 60
2029-03-08
Position changed from CF to LF
2028-12-08
Weight increased from 188 to 189
2028-11-02
Contact Potential increased from 40 to 50
Contact increased from 40 to 50
Contact vs R increased from 40 to 50
Contact vs L increased from 40 to 50
Power Potential increased from 35 to 40
Power increased from 35 to 40
Power vs R increased from 35 to 40
Power vs L increased from 35 to 40
Avoid Ks Potential increased from 55 to 60
Avoid Ks increased from 55 to 60
Avoid Ks vs R increased from 55 to 60
Speed decreased from 55 to 0
Stealing decreased from 60 to 0
Baserunning decreased from 55 to 0
Infield Error increased from 40 to 45
Turn Double Play increased from 25 to 30
Outfield Error increased from 50 to 55
Outfield Arm increased from 45 to 50
Catcher Arm decreased from 25 to 20
Movement Potential increased from 20 to 25
Movement increased from 20 to 25
Movement vs R increased from 20 to 25
Movement vs L increased from 20 to 25
Fastball Pot increased from 25 to 30
Fastball increased from 25 to 30
2028-11-01
Local Popularity decreased from Fair to Insignificant
2028-10-01
Stealing increased from 55 to 60
2028-09-26
Speed decreased from 60 to 55
Weight increased from 187 to 188
2028-08-22
Weight increased from 186 to 187
2028-08-07
Eye Potential decreased from 50 to 45
Eye decreased from 50 to 45
Eye vs R decreased from 50 to 45
Eye vs L decreased from 50 to 45
Bunt for Hit decreased from 50 to 45
Turn Double Play decreased from 30 to 25
Outfield Arm decreased from 50 to 45
2028-06-12
RF defense increased from 45 to 50
2028-05-13
Weight decreased from 187 to 186
2028-04-23
Gap Potential increased from 40 to 45
Gap increased from 40 to 45
Gap vs L increased from 40 to 45
Eye Potential decreased from 55 to 50
Eye decreased from 55 to 50
Eye vs R decreased from 55 to 50
Bunt for Hit increased from 45 to 50
Turn Double Play increased from 25 to 30
RF defense decreased from 50 to 45
2028-04-18
Speed increased from 55 to 60
2028-04-08
RF defense increased from 45 to 50
2028-04-03
Contact vs R decreased from 45 to 40
Gap Potential decreased from 45 to 40
Gap decreased from 45 to 40
Eye Potential increased from 50 to 55
Eye increased from 50 to 55
RF defense decreased from 50 to 45
Weight increased from 186 to 187
2028-03-15
Weight increased from 185 to 186
2027-12-05
Weight decreased from 186 to 185
2027-11-05
Eye Potential decreased from 55 to 50
Eye decreased from 55 to 50
2027-09-28
Contact vs R increased from 40 to 45
Gap vs L decreased from 45 to 40
Eye Potential increased from 50 to 55
Eye increased from 50 to 55
Eye vs R increased from 50 to 55
Turn Double Play decreased from 30 to 25
2027-09-13
RF defense increased from 45 to 50
Weight decreased from 187 to 186
2027-06-24
Contact Potential decreased from 45 to 40
Contact decreased from 45 to 40
Contact vs R decreased from 45 to 40
Power Potential decreased from 40 to 35
Power decreased from 40 to 35
Power vs R decreased from 40 to 35
Power vs L decreased from 40 to 35
2027-05-25
Contact Potential increased from 40 to 45
Contact increased from 40 to 45
Gap vs L increased from 40 to 45
Power vs L increased from 35 to 40
2027-05-15
Weight increased from 186 to 187
2027-04-10
Contact vs R increased from 40 to 45
Gap vs L decreased from 45 to 40
Power vs L decreased from 40 to 35
Avoid Ks Potential decreased from 60 to 55
Avoid Ks decreased from 60 to 55
Avoid Ks vs R decreased from 60 to 55
Avoid Ks vs L decreased from 60 to 55
Infield Error decreased from 45 to 40
Infield Arm decreased from 50 to 45
2027-03-01
Weight decreased from 187 to 186
2026-12-21
Weight increased from 186 to 187
2026-09-14
Speed decreased from 60 to 55
2026-08-30
Contact Potential decreased from 45 to 40
Contact decreased from 45 to 40
Contact vs R decreased from 45 to 40
2026-06-15
Baserunning increased from 50 to 55
1B defense decreased from 20 to 0
Weight increased from 185 to 186
2026-05-26
Eye Potential decreased from 55 to 50
2026-05-06
Speed increased from 55 to 60
1B defense increased from 0 to 20
2026-04-16
Local Popularity increased from Insignificant to Fair
2026-04-06
Avoid Ks vs R decreased from 65 to 60
Speed decreased from 60 to 55
2026-03-18
Speed increased from 55 to 60
2026-03-02
Power vs R decreased from 45 to 40
Eye Potential increased from 50 to 55
2026-02-12
Speed decreased from 60 to 55
Baserunning decreased from 55 to 50
2026-01-11
Baserunning increased from 50 to 55
2026-01-01
Contact Potential decreased from 50 to 45
Contact decreased from 50 to 45
Contact vs R decreased from 50 to 45
Contact vs L decreased from 45 to 40
Gap Potential decreased from 60 to 45
Gap decreased from 55 to 45
Gap vs R decreased from 60 to 45
Gap vs L decreased from 55 to 45
Power Potential decreased from 45 to 40
Power decreased from 45 to 40
Eye Potential increased from 40 to 50
Eye increased from 40 to 50
Eye vs R increased from 40 to 50
Eye vs L increased from 40 to 50
Avoid Ks vs R increased from 60 to 65
Bunt for Hit decreased from 50 to 45
Baserunning decreased from 55 to 50
Infield Range decreased from 30 to 25
Infield Arm increased from 45 to 50
Outfield Range decreased from 60 to 55
Outfield Error decreased from 55 to 50
Catcher Arm increased from 20 to 25
LF defense decreased from 65 to 60
CF defense decreased from 50 to 40
RF defense decreased from 50 to 45
Weight increased from 181 to 185
Local Popularity increased from Unknown to Insignificant
National Popularity increased from Unknown to Insignificant
2025-07-01
Contact vs L decreased from 50 to 45
Gap decreased from 60 to 55
Gap vs L decreased from 60 to 55
Power vs L decreased from 45 to 40
Eye Potential decreased from 45 to 40
Speed decreased from 65 to 60
Weight increased from 178 to 181
2025-01-01
Contact increased from 45 to 50
Contact vs L increased from 45 to 50
Power vs L increased from 40 to 45
Eye Potential increased from 40 to 45
Eye increased from 35 to 40
Eye vs R increased from 35 to 40
Eye vs L increased from 35 to 40
Avoid Ks Potential increased from 55 to 60
Avoid Ks increased from 55 to 60
Avoid Ks vs R increased from 55 to 60
Avoid Ks vs L increased from 55 to 60
Stealing decreased from 60 to 55
LF defense increased from 60 to 65
2024-07-01
Contact vs R increased from 45 to 50
Power Potential increased from 40 to 45
Power increased from 40 to 45
Power vs R increased from 40 to 45
Avoid Ks vs L increased from 50 to 55
Outfield Arm increased from 45 to 50
GB% decreased from 41% to 39%
Weight increased from 175 to 178
2024-01-01
Contact Potential increased from 45 to 50
Power vs L increased from 35 to 40
Avoid Ks increased from 50 to 55
Avoid Ks vs R increased from 50 to 55
Baserunning increased from 50 to 55
CF defense increased from 45 to 50
Position changed from RF to CF
2023-07-01
Contact increased from 35 to 45
Contact vs R increased from 35 to 45
Contact vs L increased from 35 to 45
Gap Potential increased from 55 to 60
Gap increased from 45 to 60
Gap vs R increased from 50 to 60
Gap vs L increased from 45 to 60
Power increased from 35 to 40
Power vs R increased from 35 to 40
Avoid Ks Potential increased from 50 to 55
Avoid Ks increased from 45 to 50
Avoid Ks vs R increased from 45 to 50
Avoid Ks vs L increased from 45 to 50
Bunt for Hit decreased from 55 to 50
Baserunning decreased from 55 to 50
Infield Range decreased from 35 to 30
Outfield Range decreased from 65 to 60
LF defense increased from 55 to 60
Weight decreased from 176 to 175
2023-01-01
Contact vs L increased from 30 to 35
Avoid Ks Potential decreased from 55 to 50
LF defense increased from 50 to 55
Weight increased from 174 to 176
Local Popularity decreased from Insignificant to Unknown