Jack Duffey
HIgh Desert Mavericks (A)
Jack Duffey
Birthdate:
April 18, 1992 (20 y, 0 m, 26 d)
Nationality:
American
Position:
P
Bats/Throws:
L/L
Height/Weight:
6'2"/191
Entry:
2010 Draft - Round: 14, Overall: 396, Team: Milwaukee Brewers
Contract:
Minor League
ML Service Time:
None
OSA Rating History
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Ratings Changes
2012-05-14
Hold increased from 75 to 80
2012-03-29
Avoid Ks Potential increased from 30 to 35
2012-03-19
Power Potential decreased from 30 to 25
Avoid Ks Potential decreased from 35 to 30
Speed increased from 25 to 30
Stuff Potential increased from 40 to 45
Stuff increased from 40 to 45
Stuff vs R increased from 40 to 45
Stuff vs L increased from 40 to 45
Movement Potential decreased from 40 to 35
Movement vs L increased from 35 to 40
GB% decreased from 40% to 38%
Stamina decreased from 55 to 50
Slider Pot decreased from 50 to 45
Role changed from SP to RP
2012-01-27
Stuff Potential decreased from 45 to 40
Role changed from RP to SP
2011-11-25
Stuff Potential increased from 40 to 45
Role changed from SP to RP
2011-11-01
Local Popularity increased from Unknown to Insignificant
2011-09-12
Stuff Potential decreased from 45 to 40
Role changed from RP to SP
2011-07-04
Gap Potential decreased from 40 to 35
Power vs L increased from 20 to 25
Stuff Potential increased from 40 to 45
Velocity increased from 93-95 mph to 95-97 mph
GB% increased from 39% to 40%
Stamina increased from 50 to 55
Fastball Pot increased from 45 to 55
Fastball increased from 45 to 50
Slider Pot increased from 45 to 50
2011-03-07
Speed increased from 0 to 25
Stealing increased from 0 to 25
Baserunning increased from 0 to 35
2010-12-04
Role changed from SP to RP
2010-09-13
Stuff increased from 35 to 40
Stuff vs R increased from 35 to 40
Stuff vs L increased from 35 to 40
Movement decreased from 40 to 35
Movement vs L decreased from 40 to 35
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 90-92 mph to 93-95 mph
GB% decreased from 43% to 39%
Slider increased from 40 to 45
2010-01-18
Weight increased from 190 to 191
2009-12-14
Sac Bunt decreased from 50 to 35
Infield Arm decreased from 37 to 30
Turn Double Play decreased from 50 to 35
Outfield Error increased from 19 to 25
Outfield Arm increased from 5 to 20
Catcher Ability increased from 1 to 20
Catcher Arm increased from 1 to 20
Stuff Potential decreased from 68 to 40
Stuff decreased from 55 to 35
Stuff vs R decreased from 55 to 35
Stuff vs L decreased from 54 to 35
Control Potential decreased from 74 to 40
Stamina decreased from 96 to 50
Hold decreased from 186 to 75
Slider Pot decreased from 83 to 45
Slider decreased from 65 to 40
2009-11-08
Contact Potential increased from 27 to 35
Contact increased from 11 to 35
Contact vs R increased from 12 to 35
Contact vs L increased from 10 to 35
Gap Potential decreased from 41 to 40
Gap increased from 29 to 35
Gap vs R increased from 32 to 35
Gap vs L increased from 20 to 35
Power Potential decreased from 50 to 30
Power decreased from 27 to 25
Power vs R decreased from 28 to 25
Power vs L decreased from 24 to 20
Eye Potential increased from 33 to 35
Eye increased from 20 to 30
Eye vs R increased from 22 to 30
Eye vs L increased from 14 to 30
Avoid Ks Potential increased from 7 to 35
Avoid Ks increased from 1 to 30
Avoid Ks vs R increased from 1 to 30
Avoid Ks vs L increased from 1 to 30
Bunt for Hit decreased from 72 to 50
Speed decreased from 6 to 0
Stealing decreased from 11 to 0
Baserunning decreased from 44 to 0
Infield Range increased from 22 to 30
Infield Error decreased from 36 to 35
Outfield Range increased from 11 to 20
P defense decreased from 66 to 45
Movement Potential increased from 2 to 40
Movement increased from 1 to 40
Movement vs R increased from 1 to 35
Movement vs L increased from 1 to 40
Control decreased from 45 to 30
Control vs R decreased from 44 to 30
Control vs L decreased from 46 to 30
Fastball Pot decreased from 103 to 45
Fastball decreased from 94 to 45
Changeup Pot decreased from 103 to 45
Changeup decreased from 79 to 40
2009-10-17
Contact Potential decreased from 30 to 27
Contact decreased from 25 to 11
Contact vs R decreased from 25 to 12
Contact vs L decreased from 25 to 10
Gap Potential increased from 30 to 41
Gap decreased from 30 to 29
Gap vs R increased from 30 to 32
Gap vs L decreased from 25 to 20
Power Potential increased from 35 to 50
Power decreased from 30 to 27
Power vs R decreased from 30 to 28
Power vs L decreased from 25 to 24
Eye Potential increased from 30 to 33
Eye decreased from 25 to 20
Eye vs R decreased from 25 to 22
Eye vs L decreased from 25 to 14
Avoid Ks Potential decreased from 20 to 7
Avoid Ks decreased from 20 to 1
Avoid Ks vs R decreased from 20 to 1
Avoid Ks vs L decreased from 20 to 1
Sac Bunt increased from 35 to 50
Bunt for Hit increased from 40 to 72
Speed decreased from 20 to 6
Stealing decreased from 25 to 11
Baserunning increased from 35 to 44
Infield Range decreased from 25 to 22
Infield Error increased from 30 to 36
Infield Arm increased from 30 to 37
Turn Double Play increased from 35 to 50
Outfield Range decreased from 25 to 11
Outfield Error decreased from 25 to 19
Outfield Arm decreased from 20 to 5
Catcher Ability decreased from 20 to 1
Catcher Arm decreased from 20 to 1
P defense increased from 40 to 66
Stuff Potential increased from 40 to 68
Stuff increased from 35 to 55
Stuff vs R increased from 35 to 55
Stuff vs L increased from 35 to 54
Movement Potential decreased from 20 to 2
Movement decreased from 20 to 1
Movement vs R decreased from 20 to 1
Movement vs L decreased from 20 to 1
Control Potential increased from 40 to 74
Control increased from 35 to 45
Control vs R increased from 35 to 44
Control vs L increased from 35 to 46
Stamina increased from 50 to 96
Hold increased from 75 to 186
Fastball Pot increased from 50 to 103
Fastball increased from 50 to 94
Slider Pot increased from 45 to 83
Slider increased from 40 to 65
Changeup Pot increased from 50 to 103
Changeup increased from 45 to 79