Jeff Olvera
San Francisco Giants (ML)
Jeff Olvera
Birthdate:
June 7, 2006 (34 y, 4 m, 29 d)
Born In:
Wheaton-Glenmont, MD, USA
Nationality:
American
Position:
P
Bats/Throws:
R/R
Height/Weight:
6'1"/198
Entry:
2025 Draft - Round: 12, Overall: 358, Team: Tampa Bay Rays
Contract:
$4.8M / 1 year
ML Service Time:
9 years, 133 days
OSA Rating History
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Ratings Changes
2040-11-05
Contact Potential increased from 35 to 40
Contact increased from 35 to 40
Contact vs R increased from 35 to 40
Contact vs L increased from 35 to 40
Power Potential increased from 25 to 30
Power increased from 25 to 30
Power vs R increased from 25 to 30
Power vs L increased from 25 to 30
Speed decreased from 20 to 0
Stealing decreased from 20 to 0
Baserunning decreased from 20 to 0
P defense decreased from 25 to 20
Stuff Potential decreased from 60 to 55
Stuff decreased from 60 to 55
Stuff vs R decreased from 60 to 55
Stuff vs L decreased from 60 to 55
Movement Potential decreased from 60 to 50
Movement decreased from 60 to 50
Movement vs R decreased from 60 to 50
Movement vs L decreased from 60 to 50
GB% increased from 74% to 75%
Fastball Pot increased from 70 to 80
Fastball increased from 70 to 80
Curveball Pot increased from 50 to 70
Curveball increased from 50 to 70
Local Popularity increased from Insignificant to Fair
National Popularity increased from Insignificant to Fair
2040-10-31
Weight decreased from 199 to 198
2040-10-07
Weight decreased from 200 to 199
2040-09-17
Movement Potential decreased from 65 to 60
Movement decreased from 65 to 60
Movement vs R decreased from 65 to 60
Movement vs L decreased from 65 to 60
GB% decreased from 75% to 74%
Fastball Pot decreased from 75 to 70
Fastball decreased from 75 to 70
Curveball Pot decreased from 55 to 50
Curveball decreased from 55 to 50
2040-09-03
Weight decreased from 201 to 200
2040-06-11
Eye Potential increased from 25 to 30
Eye increased from 25 to 30
Eye vs R increased from 25 to 30
Avoid Ks Potential increased from 40 to 45
Avoid Ks increased from 40 to 45
Avoid Ks vs R increased from 40 to 45
2040-06-04
Eye vs L increased from 25 to 30
2040-04-30
Avoid Ks vs L increased from 40 to 45
2040-03-19
Eye Potential decreased from 30 to 25
Eye decreased from 30 to 25
Eye vs R decreased from 30 to 25
Eye vs L decreased from 30 to 25
Avoid Ks Potential decreased from 45 to 40
Avoid Ks decreased from 45 to 40
Avoid Ks vs R decreased from 45 to 40
Avoid Ks vs L decreased from 45 to 40
2040-02-06
Role changed from RP to CL
Weight increased from 200 to 201
2040-01-23
Local Popularity decreased from Fair to Insignificant
2039-11-07
Local Popularity increased from Insignificant to Fair
2039-08-01
Eye vs R increased from 25 to 30
Curveball Pot increased from 50 to 55
Curveball increased from 50 to 55
2039-07-25
Eye Potential increased from 25 to 30
Eye increased from 25 to 30
2039-05-30
Movement vs R increased from 60 to 65
2039-05-09
Movement vs R decreased from 65 to 60
Weight decreased from 201 to 200
2039-05-02
Eye vs L increased from 25 to 30
Movement vs R increased from 60 to 65
2039-04-25
Eye Potential decreased from 30 to 25
Eye decreased from 30 to 25
Eye vs R decreased from 30 to 25
Eye vs L decreased from 30 to 25
Bunt for Hit decreased from 25 to 20
Movement Potential increased from 60 to 65
Movement increased from 60 to 65
Movement vs L increased from 60 to 65
GB% increased from 74% to 75%
Curveball Pot decreased from 55 to 50
Curveball decreased from 55 to 50
2039-04-11
Control Potential increased from 45 to 50
Control increased from 45 to 50
Control vs R increased from 45 to 50
Control vs L increased from 45 to 50
2039-01-03
Control Potential decreased from 50 to 45
Control decreased from 50 to 45
Control vs R decreased from 50 to 45
Control vs L decreased from 50 to 45
2038-11-10
Hold increased from 60 to 65
2038-10-18
Weight increased from 200 to 201
2038-09-14
Bunt for Hit increased from 20 to 25
Movement vs L decreased from 65 to 60
Control Potential increased from 45 to 50
Control increased from 45 to 50
Control vs R increased from 45 to 50
Control vs L increased from 45 to 50
GB% decreased from 75% to 74%
2038-08-24
Movement Potential decreased from 65 to 60
Movement decreased from 65 to 60
Movement vs R decreased from 65 to 60
2038-08-17
Movement Potential increased from 60 to 65
Movement increased from 60 to 65
Movement vs R increased from 60 to 65
2038-08-10
Stealing decreased from 25 to 20
Movement Potential decreased from 65 to 60
Movement decreased from 65 to 60
Movement vs R decreased from 65 to 60
2038-07-27
Movement Potential increased from 60 to 65
Movement increased from 60 to 65
Movement vs R increased from 60 to 65
2038-07-20
Movement Potential decreased from 65 to 60
Movement decreased from 65 to 60
Movement vs R decreased from 65 to 60
2038-07-13
Movement Potential increased from 60 to 65
Movement increased from 60 to 65
Movement vs R increased from 60 to 65
2038-07-06
Movement Potential decreased from 65 to 60
Movement decreased from 65 to 60
Movement vs R decreased from 65 to 60
2038-06-22
Movement Potential increased from 60 to 65
Movement increased from 60 to 65
Movement vs R increased from 60 to 65
2038-06-08
Eye Potential increased from 25 to 30
Eye increased from 25 to 30
Eye vs R increased from 25 to 30
Movement vs L increased from 60 to 65
2038-06-01
Eye Potential decreased from 30 to 25
Eye decreased from 30 to 25
2038-05-18
Weight increased from 199 to 200
2038-04-20
Eye vs R decreased from 30 to 25
2038-04-06
Eye vs R increased from 25 to 30
Weight increased from 198 to 199
2038-03-22
Eye vs R decreased from 30 to 25
Role changed from CL to RP
2038-03-09
Movement Potential decreased from 65 to 60
Movement decreased from 65 to 60
Movement vs R decreased from 65 to 60
Movement vs L decreased from 65 to 60
Control Potential decreased from 50 to 45
Control decreased from 50 to 45
Control vs R decreased from 50 to 45
Control vs L decreased from 50 to 45
GB% decreased from 76% to 75%
2037-11-03
Eye vs R increased from 25 to 30
Local Popularity decreased from Fair to Insignificant
National Popularity decreased from Fair to Insignificant
2037-11-02
Eye vs R decreased from 30 to 25
2037-10-06
Stealing increased from 20 to 25
2037-08-17
Eye vs R increased from 25 to 30
Weight decreased from 199 to 198
2037-08-03
Movement Potential increased from 60 to 65
Movement increased from 60 to 65
Movement vs R increased from 60 to 65
Control Potential increased from 45 to 50
Control increased from 45 to 50
Control vs R increased from 45 to 50
Control vs L increased from 45 to 50
GB% increased from 74% to 76%
Weight decreased from 200 to 199
2037-07-27
Eye vs R decreased from 30 to 25
2037-07-20
Eye vs R increased from 25 to 30
Movement Potential decreased from 65 to 60
Movement decreased from 65 to 60
Movement vs R decreased from 65 to 60
2037-07-13
Movement Potential increased from 60 to 65
Movement increased from 60 to 65
Movement vs R increased from 60 to 65
2037-06-08
Stealing decreased from 25 to 20
2037-05-18
Power Potential increased from 20 to 25
Power increased from 20 to 25
Power vs R increased from 20 to 25
Power vs L increased from 20 to 25
Eye vs R decreased from 30 to 25
2037-05-11
Power Potential decreased from 25 to 20
Power decreased from 25 to 20
Power vs R decreased from 25 to 20
Power vs L decreased from 25 to 20
Eye vs R increased from 25 to 30
Weight increased from 199 to 200
2037-05-04
Power Potential increased from 20 to 25
Power increased from 20 to 25
Power vs R increased from 20 to 25
Power vs L increased from 20 to 25
Movement vs L increased from 60 to 65
2037-04-27
Power Potential decreased from 25 to 20
Power decreased from 25 to 20
Power vs R decreased from 25 to 20
Power vs L decreased from 25 to 20
Eye vs R decreased from 30 to 25
Movement vs L decreased from 65 to 60
Weight decreased from 200 to 199
2037-04-20
Movement Potential decreased from 65 to 60
Movement decreased from 65 to 60
Movement vs R decreased from 65 to 60
2037-04-13
Movement Potential increased from 60 to 65
Movement increased from 60 to 65
Movement vs R increased from 60 to 65
Movement vs L increased from 60 to 65
Changeup Pot decreased from 30 to 0
Changeup decreased from 30 to 0
2037-02-23
Weight increased from 199 to 200
2037-01-01
Eye Potential increased from 25 to 30
Eye increased from 25 to 30
Eye vs R increased from 25 to 30
Eye vs L increased from 25 to 30
Infield Error decreased from 30 to 25
Infield Arm increased from 45 to 50
P defense increased from 20 to 25
Movement Potential increased from 55 to 60
Movement increased from 55 to 60
Movement vs R increased from 55 to 60
Movement vs L increased from 55 to 60
GB% increased from 73% to 74%
Fastball Pot increased from 70 to 75
Fastball increased from 70 to 75
Curveball Pot decreased from 60 to 55
Curveball decreased from 60 to 55
Changeup Pot increased from 25 to 30
Changeup increased from 25 to 30
Local Popularity increased from Insignificant to Fair
National Popularity increased from Insignificant to Fair
2036-07-01
Power Potential increased from 20 to 25
Power increased from 20 to 25
Power vs R increased from 20 to 25
Power vs L increased from 20 to 25
Stuff Potential decreased from 65 to 60
Stuff vs L decreased from 65 to 60
Movement Potential increased from 50 to 55
Movement increased from 50 to 55
Movement vs R increased from 50 to 55
Movement vs L increased from 50 to 55
GB% increased from 70% to 73%
Stamina decreased from 65 to 60
Role changed from RP to CL
Weight increased from 198 to 199
2036-01-01
Baserunning decreased from 25 to 20
Stuff decreased from 65 to 60
Stamina increased from 60 to 65
Fastball Pot decreased from 75 to 70
Changeup Pot decreased from 30 to 25
Weight decreased from 199 to 198
2035-07-01
Contact vs L decreased from 40 to 35
Avoid Ks Potential decreased from 50 to 45
Avoid Ks decreased from 50 to 45
Avoid Ks vs R decreased from 50 to 45
Avoid Ks vs L decreased from 50 to 45
Stuff increased from 60 to 65
Stuff vs L increased from 60 to 65
GB% increased from 69% to 70%
Fastball Pot increased from 70 to 75
Curveball Pot decreased from 65 to 60
Changeup Pot increased from 25 to 30
2035-01-01
Contact Potential decreased from 40 to 35
Contact vs L increased from 35 to 40
Power Potential decreased from 25 to 20
Movement Potential decreased from 55 to 50
Movement decreased from 55 to 50
Movement vs L decreased from 55 to 50
GB% decreased from 71% to 69%
Weight increased from 198 to 199
2034-07-01
Contact Potential increased from 35 to 40
Stealing increased from 20 to 25
Stuff decreased from 65 to 60
Stuff vs L decreased from 65 to 60
Movement Potential increased from 50 to 55
Movement increased from 50 to 55
Movement vs L increased from 50 to 55
GB% increased from 68% to 71%
Fastball Pot decreased from 75 to 70
Changeup Pot decreased from 30 to 25
Weight increased from 197 to 198
2034-01-01
Avoid Ks Potential increased from 45 to 50
Avoid Ks increased from 45 to 50
Avoid Ks vs R increased from 45 to 50
Baserunning increased from 20 to 25
P defense decreased from 25 to 20
Movement Potential decreased from 55 to 50
Movement decreased from 55 to 50
Movement vs R decreased from 55 to 50
Movement vs L decreased from 55 to 50
Fastball Pot increased from 70 to 75
Changeup decreased from 30 to 25
Weight increased from 196 to 197
Local Popularity decreased from Well Known to Insignificant
2033-07-01
Power decreased from 25 to 20
Power vs R decreased from 25 to 20
Power vs L decreased from 25 to 20
Avoid Ks Potential decreased from 50 to 45
Avoid Ks decreased from 50 to 45
Avoid Ks vs R decreased from 50 to 45
Baserunning decreased from 25 to 20
Infield Range decreased from 25 to 20
P defense decreased from 35 to 25
Stuff vs R decreased from 65 to 60
Movement Potential increased from 45 to 55
Movement increased from 45 to 55
Movement vs R increased from 45 to 55
Movement vs L increased from 45 to 55
GB% increased from 64% to 68%
Weight increased from 195 to 196
2033-01-01
Baserunning increased from 20 to 25
Control Potential decreased from 50 to 45
Hold decreased from 65 to 60
Fastball Pot decreased from 75 to 70
Weight increased from 194 to 195
Local Popularity increased from Fair to Well Known
2032-07-01
Avoid Ks Potential increased from 45 to 50
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
GB% increased from 61% to 64%
Fastball decreased from 75 to 70
Curveball decreased from 65 to 60
Changeup increased from 25 to 30
Weight increased from 191 to 194
Local Popularity increased from Insignificant to Fair
2032-01-01
Contact Potential decreased from 40 to 35
Contact decreased from 40 to 35
Contact vs R decreased from 40 to 35
Contact vs L decreased from 40 to 35
Gap Potential increased from 25 to 30
Gap increased from 25 to 30
Gap vs R increased from 25 to 30
Gap vs L increased from 25 to 30
Power Potential increased from 20 to 25
Power increased from 20 to 25
Power vs R increased from 20 to 25
Power vs L increased from 20 to 25
Avoid Ks Potential decreased from 50 to 45
Avoid Ks decreased from 50 to 45
Avoid Ks vs R decreased from 50 to 45
Avoid Ks vs L decreased from 50 to 45
Bunt for Hit decreased from 25 to 20
Infield Error increased from 25 to 30
Infield Arm decreased from 50 to 45
Stuff Potential increased from 60 to 65
Stuff increased from 60 to 65
Stuff vs R increased from 60 to 65
Stuff vs L increased from 60 to 65
Movement Potential decreased from 50 to 45
Movement decreased from 50 to 45
Movement vs R decreased from 50 to 45
Movement vs L decreased from 50 to 45
Control Potential decreased from 55 to 50
Control decreased from 50 to 45
Control vs R decreased from 50 to 45
Control vs L decreased from 50 to 45
GB% decreased from 63% to 61%
Stamina increased from 55 to 60
Curveball Pot increased from 60 to 65
Curveball increased from 60 to 65
Local Popularity decreased from Fair to Insignificant
2031-07-01
Stamina decreased from 60 to 55
Changeup increased from 20 to 25
Weight increased from 190 to 191
2031-01-01
P defense decreased from 40 to 35
Control decreased from 55 to 50
Control vs R decreased from 55 to 50
Control vs L decreased from 55 to 50
Fastball Pot increased from 70 to 75
Fastball increased from 70 to 75
Curveball Pot increased from 55 to 60
Curveball increased from 55 to 60
Weight increased from 189 to 190
Local Popularity increased from Insignificant to Fair
2030-07-01
Avoid Ks vs L decreased from 55 to 50
Movement increased from 45 to 50
Movement vs R increased from 45 to 50
Movement vs L increased from 45 to 50
Control Potential increased from 50 to 55
Control increased from 50 to 55
Control vs R increased from 50 to 55
Control vs L increased from 50 to 55
GB% increased from 60% to 63%
Weight increased from 185 to 189
Local Popularity increased from Unknown to Insignificant
National Popularity increased from Unknown to Insignificant
2030-01-01
Infield Range decreased from 30 to 25
Outfield Error decreased from 30 to 25
GB% increased from 59% to 60%
Weight increased from 184 to 185
2029-07-01
Contact vs R increased from 35 to 40
Avoid Ks vs L increased from 50 to 55
Outfield Error increased from 25 to 30
Outfield Arm decreased from 30 to 25
Stuff increased from 55 to 60
Stuff vs R increased from 55 to 60
Stuff vs L increased from 55 to 60
Control Potential decreased from 55 to 50
Control increased from 45 to 50
Control vs R increased from 45 to 50
Control vs L increased from 45 to 50
Hold increased from 60 to 65
Fastball increased from 65 to 70
Weight increased from 183 to 184
2029-01-01
Contact increased from 35 to 40
Avoid Ks Potential decreased from 55 to 50
Movement decreased from 50 to 45
Movement vs R decreased from 50 to 45
Movement vs L decreased from 50 to 45
Control increased from 35 to 45
Control vs R increased from 35 to 45
Control vs L increased from 35 to 45
GB% decreased from 61% to 59%
Curveball increased from 50 to 55
Weight increased from 181 to 183
Local Popularity decreased from Insignificant to Unknown
2028-07-01
Contact vs L increased from 35 to 40
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
Outfield Error decreased from 30 to 25
Stuff increased from 50 to 55
Stuff vs R increased from 50 to 55
Stuff vs L increased from 50 to 55
Curveball increased from 45 to 50
Weight decreased from 182 to 181
2028-01-01
Speed decreased from 25 to 20
P defense decreased from 45 to 40
Control decreased from 40 to 35
Control vs R decreased from 40 to 35
Control vs L decreased from 40 to 35
Curveball increased from 40 to 45
Weight increased from 179 to 182
Local Popularity decreased from Fair to Insignificant
2027-07-01
Outfield Range decreased from 25 to 20
Stuff Potential increased from 50 to 60
Stuff increased from 35 to 50
Stuff vs R increased from 35 to 50
Stuff vs L increased from 35 to 50
Movement increased from 45 to 50
Movement vs R increased from 45 to 50
Movement vs L increased from 45 to 50
Control increased from 35 to 40
Control vs R increased from 35 to 40
Control vs L increased from 35 to 40
GB% increased from 60% to 61%
Fastball increased from 60 to 65
Curveball increased from 35 to 40
Role changed from SP to RP
Weight increased from 178 to 179
2027-01-01
Contact Potential increased from 35 to 40
Contact vs R increased from 30 to 35
Movement Potential increased from 45 to 50
Movement increased from 40 to 45
Movement vs R increased from 40 to 45
Movement vs L increased from 40 to 45
GB% increased from 59% to 60%
Weight increased from 176 to 178
Local Popularity increased from Insignificant to Fair
2026-07-01
Contact increased from 30 to 35
Contact vs L increased from 30 to 35
Avoid Ks Potential decreased from 60 to 55
Avoid Ks increased from 40 to 45
Avoid Ks vs R increased from 40 to 45
Avoid Ks vs L increased from 40 to 45
Sac Bunt increased from 65 to 70
Stuff Potential increased from 45 to 50
Stuff increased from 30 to 35
Stuff vs R increased from 30 to 35
Stuff vs L increased from 30 to 35
Movement Potential decreased from 50 to 45
Movement increased from 35 to 40
Movement vs L increased from 35 to 40
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 98-100 mph to 99-101 mph
Fastball increased from 55 to 60
Curveball Pot increased from 50 to 55
Curveball increased from 30 to 35
Changeup Pot increased from 20 to 30
Weight increased from 174 to 176
Local Popularity increased from Unknown to Insignificant
2026-01-01
Gap increased from 20 to 25
Gap vs R increased from 20 to 25
Gap vs L increased from 20 to 25
Eye Potential decreased from 30 to 25
Avoid Ks increased from 35 to 40
Avoid Ks vs R increased from 35 to 40
Avoid Ks vs L increased from 35 to 40
Stuff Potential increased from 35 to 45
Movement vs R increased from 35 to 40
Control Potential decreased from 60 to 55
Control increased from 25 to 30
Control vs R increased from 25 to 30
Control vs L increased from 25 to 30
Velocity increased from 96-98 mph to 98-100 mph
Fastball Pot increased from 65 to 70
Fastball increased from 50 to 55
Curveball Pot increased from 45 to 50
2025-07-01
Contact increased from 25 to 30
Contact vs R increased from 25 to 30
Contact vs L increased from 25 to 30
Avoid Ks Potential decreased from 65 to 60
Outfield Error increased from 25 to 30
Weight decreased from 176 to 174
2025-01-01
Stuff increased from 25 to 30
Stuff vs R increased from 25 to 30
Stuff vs L increased from 25 to 30
Movement vs L increased from 30 to 35
Velocity increased from 95-97 mph to 96-98 mph
Fastball increased from 45 to 50
Weight decreased from 177 to 176
2024-07-01
Avoid Ks increased from 30 to 35
Avoid Ks vs R increased from 30 to 35
Avoid Ks vs L increased from 30 to 35
Movement Potential increased from 45 to 50
Movement increased from 30 to 35
Movement vs R increased from 30 to 35
GB% increased from 56% to 59%
Curveball Pot decreased from 50 to 45
Weight increased from 174 to 177
2024-01-01
Stuff Potential decreased from 40 to 35
Movement Potential decreased from 50 to 45
Control Potential decreased from 75 to 60
Curveball Pot decreased from 55 to 50
2023-07-01
Control Potential increased from 70 to 75
GB% increased from 53% to 56%
Weight increased from 173 to 174
Height increased from 185 to 186