Vianney Mayo
Lancaster JetHawks (A)
Vianney Mayo
Birthdate:
April 6, 1990 (20 y, 6 m, 27 d)
Nationality:
Venezuelan
Position:
P
Bats/Throws:
R/R
Height/Weight:
6'3"/168
Entry:
2006 Draft - Round: 7, Overall: 206, Team: Houston Astros
Contract:
Minor League
ML Service Time:
None
OSA Rating History
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Ratings Changes
2010-11-02
Avoid Ks vs L decreased from 60 to 55
2010-10-05
Velocity increased from 90-92 mph to 91-93 mph
2010-07-26
Avoid Ks Potential increased from 55 to 60
Avoid Ks vs L increased from 55 to 60
Movement increased from 45 to 50
Movement vs R increased from 45 to 50
GB% decreased from 61% to 60%
Fastball Pot increased from 40 to 45
Fastball increased from 40 to 45
2010-03-14
Weight increased from 167 to 168
2009-11-24
Contact Potential increased from 30 to 35
Contact increased from 25 to 35
Contact vs R increased from 25 to 35
Contact vs L increased from 25 to 35
Power decreased from 30 to 25
Power vs R decreased from 30 to 25
Power vs L decreased from 30 to 25
Eye Potential decreased from 25 to 20
Eye decreased from 25 to 20
Eye vs R decreased from 25 to 20
Eye vs L decreased from 25 to 20
Bunt for Hit increased from 35 to 40
Speed decreased from 20 to 0
Stealing decreased from 20 to 0
Baserunning decreased from 20 to 0
Outfield Arm decreased from 25 to 20
P defense decreased from 50 to 45
Stuff Potential decreased from 45 to 40
Movement Potential decreased from 60 to 50
Movement decreased from 55 to 45
Movement vs R decreased from 60 to 45
Movement vs L decreased from 55 to 45
Control Potential decreased from 45 to 40
Control increased from 25 to 30
Control vs R increased from 25 to 30
Control vs L increased from 25 to 30
Stamina decreased from 65 to 60
Fastball Pot decreased from 45 to 40
Fastball decreased from 45 to 40
Curveball Pot increased from 40 to 45
Curveball increased from 40 to 45
Slider Pot increased from 40 to 45
Slider increased from 40 to 45
Changeup Pot increased from 40 to 45
Changeup increased from 35 to 45
Splitter Pot decreased from 50 to 45
Splitter decreased from 50 to 45
2009-11-03
Local Popularity decreased from Insignificant to Unknown
2009-09-07
Avoid Ks increased from 50 to 55
Avoid Ks vs R increased from 50 to 55
Avoid Ks vs L increased from 50 to 55
Stealing decreased from 25 to 20
2009-07-13
Stealing increased from 20 to 25
Stuff Potential increased from 40 to 45
Movement Potential increased from 55 to 60
Control Potential increased from 30 to 45
Velocity increased from 89-91 mph to 90-92 mph
Stamina increased from 60 to 65
Fastball Pot increased from 40 to 45
Fastball increased from 40 to 45
Changeup decreased from 40 to 35
Splitter increased from 45 to 50
2009-04-20
Speed decreased from 25 to 20
Movement Potential decreased from 60 to 55
Movement decreased from 60 to 55
Control Potential decreased from 35 to 30
Weight increased from 166 to 167
2008-10-25
Movement Potential increased from 55 to 60
Movement increased from 55 to 60
Hold increased from 55 to 60
2008-08-25
Speed increased from 20 to 25
Changeup increased from 35 to 40
2008-06-16
Avoid Ks Potential decreased from 60 to 55
Sac Bunt decreased from 40 to 35
Movement Potential decreased from 60 to 55
Changeup decreased from 40 to 35
Weight decreased from 167 to 166
2008-04-07
Avoid Ks vs L decreased from 55 to 50
Movement decreased from 60 to 55
2008-03-17
Avoid Ks decreased from 55 to 50
Avoid Ks vs R decreased from 55 to 50
Stuff Potential decreased from 45 to 40
2007-12-24
Weight increased from 166 to 167
2007-10-26
Avoid Ks increased from 50 to 55
Avoid Ks vs R increased from 50 to 55
2007-07-09
Power Potential decreased from 35 to 30
Eye Potential decreased from 30 to 25
Avoid Ks decreased from 55 to 50
Avoid Ks vs R decreased from 55 to 50
Bunt for Hit increased from 30 to 35
Stealing decreased from 25 to 20
Baserunning decreased from 25 to 20
P defense increased from 45 to 50
Movement increased from 55 to 60
Movement vs R increased from 55 to 60
Control Potential decreased from 40 to 35
GB% increased from 59% to 61%
Fastball Pot decreased from 45 to 40
Curveball increased from 35 to 40
Slider Pot decreased from 45 to 40
Changeup Pot decreased from 45 to 40
Knucklecurve Pot decreased from 50 to 45
Weight increased from 165 to 166
Height increased from 191 to 192
2007-04-01
Avoid Ks Potential decreased from 65 to 60
2007-01-01
Local Popularity increased from Unknown to Insignificant