Aaron O'Brien
Birthdate:
Oct. 24, 2029 (23 y, 1 m, 2 d)Born In:
Tamalpais-Homestead Valley, CA, USANationality:
American
Position:
PBats/Throws:
R/RHeight/Weight:
6'1"/195Entry:
2048 Draft
- Round: 17, Overall: 495, Team: Colorado Rockies
Contract:
Minor League
ML Service Time:
NoneOSA Rating History
Loading Chart...
| Ratings Changes |
|---|
| 2052-11-26 |
|
Stamina decreased from 15 to 14
|
| 2052-11-23 |
|
Weight decreased from 196 to 195
|
| 2052-11-07 |
|
Gap Potential decreased from 25 to 20
|
|
Gap decreased from 25 to 20
|
|
Gap vs R decreased from 25 to 20
|
|
Gap vs L decreased from 25 to 20
|
|
Power Potential increased from 20 to 25
|
|
Eye decreased from 25 to 20
|
|
Eye vs R decreased from 25 to 20
|
|
Eye vs L decreased from 25 to 20
|
|
Avoid Ks Potential decreased from 25 to 20
|
|
Sac Bunt increased from 54 to 55
|
|
Bunt for Hit increased from 2 to 8
|
|
Speed decreased from 14 to 0
|
|
Stealing decreased from 45 to 0
|
|
Baserunning decreased from 51 to 0
|
|
Infield Range increased from 25 to 26
|
|
Infield Error decreased from 16 to 15
|
|
Infield Arm increased from 54 to 55
|
|
Turn Double Play increased from 1 to 2
|
|
Outfield Range increased from 12 to 18
|
|
Outfield Error decreased from 16 to 15
|
|
Outfield Arm increased from 25 to 32
|
|
Stuff Potential decreased from 50 to 45
|
|
Stuff decreased from 50 to 40
|
|
Stuff vs R decreased from 50 to 45
|
|
Stuff vs L decreased from 45 to 40
|
|
Movement decreased from 50 to 45
|
|
Movement vs R decreased from 55 to 50
|
|
Control Potential decreased from 35 to 25
|
|
Control decreased from 30 to 25
|
|
Control vs R decreased from 35 to 25
|
|
Control vs L decreased from 30 to 25
|
|
GB% increased from 50% to 51%
|
|
Stamina increased from 14 to 15
|
|
Fastball Pot increased from 40 to 45
|
|
Fastball increased from 40 to 45
|
|
Sinker Pot decreased from 55 to 45
|
|
Sinker decreased from 50 to 45
|
|
Cutter Pot decreased from 50 to 45
|
|
Cutter decreased from 50 to 40
|
| 2052-10-26 |
|
Sinker decreased from 55 to 50
|
| 2052-08-21 |
|
Avoid Ks decreased from 25 to 20
|
|
Avoid Ks vs R decreased from 25 to 20
|
|
Avoid Ks vs L decreased from 25 to 20
|
|
Slider Pot decreased from 50 to 45
|
| 2052-06-30 |
|
Contact vs L decreased from 25 to 20
|
|
Gap vs L decreased from 30 to 25
|
|
Sac Bunt decreased from 55 to 54
|
|
Outfield Arm increased from 24 to 25
|
|
Movement vs R increased from 50 to 55
|
|
Control decreased from 35 to 30
|
|
Slider increased from 40 to 45
|
| 2052-06-23 |
|
Stealing decreased from 46 to 45
|
| 2052-06-16 |
|
Stealing increased from 45 to 46
|
| 2052-05-12 |
|
Weight increased from 195 to 196
|
| 2052-03-18 |
|
Weight decreased from 196 to 195
|
| 2052-03-11 |
|
Stealing increased from 44 to 45
|
| 2052-02-19 |
|
Contact Potential decreased from 25 to 20
|
|
Contact decreased from 25 to 20
|
|
Contact vs R decreased from 25 to 20
|
|
Weight decreased from 197 to 196
|
| 2052-01-31 |
|
Contact Potential increased from 20 to 25
|
|
Contact increased from 20 to 25
|
|
Contact vs R increased from 20 to 25
|
|
Contact vs L increased from 20 to 25
|
|
Sac Bunt increased from 54 to 55
|
|
Bunt for Hit decreased from 3 to 2
|
|
Stealing decreased from 45 to 44
|
|
Baserunning increased from 50 to 51
|
|
Outfield Range decreased from 14 to 12
|
|
Catcher Ability decreased from 2 to 1
|
|
Stuff Potential decreased from 55 to 50
|
|
Control vs L decreased from 35 to 30
|
|
GB% increased from 48% to 50%
|
|
Sinker increased from 50 to 55
|
| 2052-01-10 |
|
Hold increased from 43 to 44
|
|
Sinker decreased from 55 to 50
|
|
Cutter Pot decreased from 55 to 50
|
| 2051-12-27 |
|
Weight increased from 196 to 197
|
| 2051-12-07 |
|
Gap vs L increased from 25 to 30
|
|
Bunt for Hit decreased from 4 to 3
|
|
Speed increased from 13 to 14
|
|
Outfield Range decreased from 15 to 14
|
|
Stamina increased from 13 to 14
|
| 2051-09-29 |
|
Weight increased from 195 to 196
|
| 2051-09-15 |
|
Baserunning decreased from 51 to 50
|
| 2051-08-19 |
|
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
|
|
Sac Bunt decreased from 55 to 54
|
|
Bunt for Hit decreased from 7 to 4
|
|
Baserunning increased from 50 to 51
|
|
Infield Range decreased from 30 to 25
|
|
Infield Error decreased from 17 to 16
|
|
Outfield Range decreased from 18 to 15
|
|
Catcher Ability decreased from 3 to 2
|
|
P defense decreased from 59 to 53
|
|
Stuff increased from 45 to 50
|
|
Movement increased from 45 to 50
|
|
Movement vs R increased from 45 to 50
|
|
Movement vs L increased from 40 to 45
|
|
GB% decreased from 50% to 48%
|
|
Stamina decreased from 14 to 13
|
|
Sinker increased from 50 to 55
|
|
Cutter increased from 45 to 50
|
| 2051-07-22 |
|
Cutter decreased from 50 to 45
|
| 2051-06-03 |
|
Speed decreased from 15 to 13
|
|
Cutter increased from 45 to 50
|
|
Weight increased from 194 to 195
|
| 2051-05-20 |
|
Speed decreased from 16 to 15
|
|
Weight increased from 193 to 194
|
| 2051-05-13 |
|
Baserunning increased from 49 to 50
|
| 2051-05-06 |
|
Weight increased from 192 to 193
|
| 2051-04-16 |
|
Baserunning decreased from 50 to 49
|
| 2051-03-25 |
|
Stealing increased from 44 to 45
|
|
Baserunning increased from 49 to 50
|
| 2051-03-04 |
|
Stamina decreased from 15 to 14
|
|
Hold increased from 41 to 43
|
| 2051-02-10 |
|
Cutter decreased from 50 to 45
|
|
Weight decreased from 193 to 192
|
| 2051-01-29 |
|
Movement increased from 40 to 45
|
|
GB% increased from 48% to 50%
|
|
Sinker increased from 45 to 50
|
|
Cutter increased from 45 to 50
|
| 2051-01-24 |
|
Hold increased from 37 to 41
|
| 2051-01-10 |
|
Weight increased from 192 to 193
|
| 2051-01-03 |
|
Sinker decreased from 50 to 45
|
| 2050-12-01 |
|
Weight increased from 191 to 192
|
| 2050-11-27 |
|
Bunt for Hit decreased from 8 to 7
|
|
Infield Range increased from 29 to 30
|
|
Movement vs R increased from 40 to 45
|
|
Control vs L increased from 30 to 35
|
|
Stamina increased from 14 to 15
|
|
Sinker increased from 45 to 50
|
|
Slider increased from 35 to 40
|
| 2050-10-14 |
|
Baserunning decreased from 50 to 49
|
| 2050-09-15 |
|
Weight decreased from 192 to 191
|
| 2050-08-28 |
|
Contact Potential decreased from 25 to 20
|
|
Bunt for Hit increased from 7 to 8
|
|
Stuff vs R increased from 45 to 50
|
|
Movement Potential increased from 45 to 50
|
|
Movement increased from 35 to 40
|
|
Movement vs L increased from 35 to 40
|
|
Control Potential decreased from 40 to 35
|
|
Control increased from 30 to 35
|
|
Control vs R increased from 30 to 35
|
|
Stamina increased from 13 to 14
|
|
Cutter Pot increased from 50 to 55
|
|
Slider Pot increased from 45 to 50
|
|
Slider increased from 30 to 35
|
| 2050-08-07 |
|
Speed increased from 15 to 16
|
| 2050-06-17 |
|
Avoid Ks decreased from 25 to 20
|
|
Avoid Ks vs R decreased from 25 to 20
|
|
Avoid Ks vs L decreased from 25 to 20
|
|
Sac Bunt decreased from 57 to 55
|
|
Speed decreased from 16 to 15
|
|
Stuff increased from 40 to 45
|
|
Stuff vs R increased from 40 to 45
|
|
Stuff vs L increased from 40 to 45
|
|
Movement increased from 30 to 35
|
|
Movement vs R increased from 30 to 40
|
|
Movement vs L increased from 25 to 35
|
|
Control Potential decreased from 45 to 40
|
|
Sinker increased from 40 to 45
|
|
Cutter increased from 40 to 45
|
|
Weight increased from 191 to 192
|
| 2050-05-20 |
|
Speed increased from 15 to 16
|
| 2050-05-13 |
|
Stuff Potential increased from 50 to 55
|
|
Stuff vs L increased from 35 to 40
|
|
Role changed from SP to RP
|
| 2050-04-15 |
|
Stuff Potential decreased from 55 to 50
|
|
Stuff vs L decreased from 40 to 35
|
|
Role changed from RP to SP
|
| 2050-03-25 |
|
Stealing increased from 43 to 44
|
| 2050-03-18 |
|
Eye vs R increased from 20 to 25
|
|
Speed decreased from 16 to 15
|
|
Stealing decreased from 44 to 43
|
|
Movement vs L decreased from 30 to 25
|
|
Control Potential decreased from 50 to 45
|
|
Stamina increased from 12 to 13
|
|
Weight increased from 190 to 191
|
| 2050-02-25 |
|
Gap Potential decreased from 30 to 25
|
|
Eye vs R decreased from 25 to 20
|
|
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
|
|
Stuff Potential increased from 50 to 55
|
|
Stuff vs L increased from 35 to 40
|
|
Movement vs L increased from 25 to 30
|
|
Role changed from SP to RP
|
| 2050-01-29 |
|
Avoid Ks decreased from 25 to 20
|
|
Avoid Ks vs R decreased from 25 to 20
|
|
Avoid Ks vs L decreased from 25 to 20
|
|
Sac Bunt increased from 56 to 57
|
|
Movement increased from 25 to 30
|
|
GB% increased from 46% to 48%
|
| 2050-01-22 |
|
Hold increased from 36 to 37
|
| 2049-11-30 |
|
Eye vs R increased from 20 to 25
|
|
Avoid Ks Potential decreased from 30 to 25
|
|
Movement Potential decreased from 50 to 45
|
|
Movement decreased from 30 to 25
|
|
Movement vs L decreased from 30 to 25
|
|
GB% decreased from 50% to 46%
|
|
Sinker decreased from 45 to 40
|
|
Cutter Pot decreased from 55 to 50
|
| 2049-11-18 |
|
Sinker increased from 40 to 45
|
| 2049-11-09 |
|
Eye Potential increased from 20 to 25
|
|
Eye increased from 20 to 25
|
|
Eye vs L increased from 20 to 25
|
|
Avoid Ks 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
|
|
Sac Bunt decreased from 66 to 56
|
|
Bunt for Hit decreased from 10 to 7
|
|
Infield Range decreased from 31 to 29
|
|
Infield Error decreased from 19 to 17
|
|
Infield Arm increased from 51 to 54
|
|
Outfield Range decreased from 21 to 18
|
|
Outfield Error decreased from 19 to 16
|
|
Outfield Arm decreased from 28 to 24
|
|
Catcher Ability increased from 1 to 3
|
|
Catcher Arm decreased from 9 to 1
|
|
P defense decreased from 62 to 59
|
|
Stamina decreased from 14 to 12
|
|
Hold decreased from 37 to 36
|
|
Sinker Pot increased from 50 to 55
|
|
Sinker increased from 35 to 40
|
|
Cutter Pot increased from 50 to 55
|
|
Slider Pot decreased from 50 to 45
|
| 2049-09-15 |
|
Speed increased from 15 to 16
|
| 2049-08-08 |
|
Sac Bunt increased from 65 to 66
|
|
Control Potential decreased from 55 to 50
|
|
Stamina decreased from 15 to 14
|
| 2049-08-01 |
|
Speed increased from 14 to 15
|
| 2049-07-18 |
|
Weight increased from 189 to 190
|
| 2049-07-11 |
|
Hold decreased from 38 to 37
|
| 2049-06-13 |
|
Weight decreased from 190 to 189
|
| 2049-04-29 |
|
Sac Bunt decreased from 66 to 65
|
|
Cutter Pot decreased from 55 to 50
|
| 2049-04-25 |
|
Weight decreased from 191 to 190
|
| 2049-04-04 |
|
Contact Potential decreased from 30 to 25
|
|
Gap Potential decreased from 35 to 30
|
|
Power Potential decreased from 25 to 20
|
|
Eye Potential decreased from 25 to 20
|
|
Sac Bunt decreased from 67 to 66
|
|
Infield Arm increased from 50 to 51
|
|
Outfield Arm increased from 27 to 28
|
|
Stuff Potential decreased from 55 to 50
|
|
Movement vs R decreased from 35 to 30
|
|
Control Potential decreased from 60 to 55
|
|
Stamina decreased from 31 to 15
|
|
Sinker Pot decreased from 55 to 50
|
|
Slider Pot decreased from 55 to 50
|
| 2049-03-31 |
|
Weight increased from 190 to 191
|
| 2049-03-18 |
|
Baserunning decreased from 51 to 50
|
|
Weight increased from 189 to 190
|
| 2049-03-11 |
|
Speed decreased from 15 to 14
|
|
Hold increased from 37 to 38
|
| 2049-01-24 |
|
Stealing increased from 43 to 44
|
| 2049-01-17 |
|
Stealing decreased from 44 to 43
|
| 2049-01-01 |
|
Contact Potential increased from 25 to 30
|
|
Sac Bunt increased from 66 to 67
|
|
Bunt for Hit decreased from 11 to 10
|
|
Speed increased from 13 to 15
|
|
Stealing increased from 43 to 44
|
|
Catcher Ability decreased from 2 to 1
|
|
P defense increased from 61 to 62
|
|
Stuff vs L decreased from 40 to 35
|
|
Movement vs R increased from 30 to 35
|
|
Control Potential decreased from 70 to 60
|
|
Control increased from 25 to 30
|
|
Control vs R increased from 25 to 30
|
|
Control vs L increased from 25 to 30
|
|
GB% decreased from 53% to 50%
|
|
Stamina decreased from 32 to 31
|
|
Cutter increased from 35 to 40
|
|
Role changed from RP to SP
|
|
Weight increased from 185 to 189
|
| 2048-07-01 |
|
Stealing increased from 42 to 43
|
|
Control Potential decreased from 75 to 70
|
|
Weight increased from 184 to 185
|