Rob Sperling
Birthdate:
Aug. 17, 2012 (19 y, 0 m, 15 d)Born In:
Greenburgh, NY, USANationality:
American
Position:
PBats/Throws:
R/RHeight/Weight:
6'2"/178Entry:
2031 Draft
- Round: 3, Overall: 88, Team: Seattle Mariners
Inj Prone:
Normal
Contract:
Minor League
ML Service Time:
NoneOSA Rating History
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| Ratings Changes |
|---|
| 2031-07-28 |
|
Stuff Potential decreased from 60 to 55
|
|
Control Potential increased from 35 to 40
|
|
BABIP Potential decreased from 40 to 35
|
|
Scouting Accuracy increased from Low to Average
|
|
Weight decreased from 179 to 178
|
| 2031-07-07 |
|
Scouting Accuracy decreased from Average to Low
|
| 2031-03-24 |
|
Weight increased from 178 to 179
|
| 2031-02-28 |
|
Stuff increased from 20 to 25
|
|
Stuff vs R increased from 20 to 25
|
|
Stuff vs L increased from 20 to 25
|
| 2030-11-16 |
|
Control Potential decreased from 40 to 35
|
|
Changeup Pot increased from 45 to 50
|
| 2030-11-09 |
|
Weight decreased from 179 to 178
|
| 2030-09-23 |
|
Weight increased from 178 to 179
|
| 2030-07-08 |
|
Weight increased from 177 to 178
|
| 2030-05-20 |
|
Turn Double Play increased from 35 to 40
|
|
Stuff Potential increased from 55 to 60
|
|
Velocity increased from 92-94 mph to 93-95 mph
|
|
GB% increased from 56% to 58%
|
|
Fastball Pot increased from 60 to 65
|
|
Changeup increased from 30 to 35
|
| 2030-04-29 |
|
Weight decreased from 178 to 177
|
| 2030-03-29 |
|
Weight increased from 177 to 178
|
| 2029-11-29 |
|
Stealing increased from 20 to 25
|
|
Outfield Range increased from 35 to 40
|
|
Stuff Potential decreased from 60 to 55
|
|
Splitter increased from 30 to 35
|
| 2029-08-20 |
|
Speed increased from 0 to 25
|
|
Stealing increased from 0 to 20
|
|
Baserunning increased from 0 to 35
|
| 2029-07-23 |
|
Weight decreased from 178 to 177
|
| 2029-06-04 |
|
Weight increased from 177 to 178
|
| 2029-03-09 |
|
Weight decreased from 178 to 177
|
| 2028-11-30 |
|
Gap Potential increased from 25 to 35
|
|
Power Potential increased from 20 to 30
|
|
Eye Potential decreased from 45 to 35
|
|
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 40 to 30
|
|
Sac Bunt increased from 40 to 45
|
|
Speed decreased from 25 to 0
|
|
Stealing decreased from 20 to 0
|
|
Baserunning decreased from 35 to 0
|
|
Turn Double Play decreased from 40 to 35
|
|
Outfield Error increased from 20 to 25
|
|
Outfield Arm increased from 40 to 45
|
|
Catcher Ability decreased from 25 to 20
|
|
P defense decreased from 65 to 60
|
|
Stuff decreased from 25 to 20
|
|
Stuff vs R decreased from 25 to 20
|
|
Stuff vs L decreased from 25 to 20
|
|
Movement Potential decreased from 80 to 60
|
|
Movement increased from 30 to 40
|
|
Movement vs R increased from 30 to 40
|
|
Movement vs L increased from 30 to 40
|
|
Stamina increased from 40 to 50
|
|
Fastball Pot decreased from 75 to 60
|
|
Changeup Pot increased from 30 to 45
|
|
Changeup increased from 20 to 30
|
|
Splitter Pot increased from 70 to 75
|
|
Splitter decreased from 40 to 30
|
|
Weight increased from 177 to 178
|
| 2028-03-19 |
|
Weight increased from 176 to 177
|
|
Height increased from 189 to 190
|