Zack Thompson
Buffalo Bisons (AAA)
Zack Thompson
Birthdate:
Oct. 28, 1997 (31 y, 10 m, 18 d)
Born In:
Liberty, IN, USA
Nationality:
American
Position:
P
Bats/Throws:
L/L
Height/Weight:
6'2"/214
Entry:
Unknown
Contract:
Minor League
ML Service Time:
3 years, 87 days
OSA Rating History
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Ratings Changes
2029-08-21
Weight increased from 213 to 214
2029-08-16
Weight decreased from 214 to 213
2029-07-22
GB% decreased from 45% to 44%
2029-05-27
Weight decreased from 215 to 214
2029-05-12
Velocity decreased from 94-96 mph to 93-95 mph
GB% increased from 44% to 45%
Stamina decreased from 55 to 50
Fastball Pot decreased from 55 to 50
Fastball decreased from 55 to 50
Curveball Pot decreased from 50 to 45
Curveball decreased from 50 to 45
Slider Pot decreased from 50 to 45
Slider decreased from 50 to 45
Weight increased from 214 to 215
2029-04-12
Weight decreased from 215 to 214
2029-04-02
Weight decreased from 216 to 215
2029-01-03
Hold decreased from 55 to 50
2028-11-24
Hold increased from 50 to 55
Role changed from RP to SP
2028-11-02
Contact Potential increased from 25 to 30
Contact increased from 25 to 30
Contact vs R increased from 25 to 30
Contact vs L increased from 25 to 30
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 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
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
Avoid Ks Potential increased from 25 to 30
Avoid Ks increased from 25 to 30
Avoid Ks vs R increased from 25 to 30
Avoid Ks vs L increased from 25 to 30
Sac Bunt increased from 50 to 55
Speed decreased from 25 to 0
Stealing decreased from 30 to 0
Baserunning decreased from 35 to 0
Infield Arm increased from 40 to 45
Catcher Arm decreased from 25 to 20
P defense increased from 40 to 45
Stuff Potential decreased from 50 to 45
Stuff decreased from 50 to 45
Stuff vs L decreased from 50 to 45
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
Stamina increased from 50 to 55
Curveball Pot decreased from 55 to 50
Curveball decreased from 55 to 50
Changeup Pot increased from 35 to 45
Changeup increased from 35 to 45
2028-11-01
Local Popularity decreased from Popular to Well Known
National Popularity decreased from Well Known to Fair
2028-10-13
Weight decreased from 217 to 216
2028-09-26
Stuff Potential increased from 45 to 50
Stuff increased from 45 to 50
Stuff vs L increased from 45 to 50
Role changed from SP to RP
2028-09-01
Weight decreased from 218 to 217
2028-08-17
Weight decreased from 219 to 218
2028-07-07
Outfield Arm decreased from 40 to 35
GB% increased from 42% to 44%
Weight increased from 218 to 219
2028-06-22
Movement vs R increased from 45 to 50
Weight decreased from 219 to 218
2028-06-07
Weight decreased from 220 to 219
2028-05-23
Speed decreased from 30 to 25
Weight increased from 219 to 220
2028-05-03
Weight increased from 218 to 219
2028-04-13
Movement Potential increased from 45 to 50
Movement increased from 45 to 50
Control vs R increased from 45 to 50
Weight decreased from 219 to 218
2028-04-03
Local Popularity increased from Well Known to Popular
2027-12-21
Weight increased from 217 to 219
2027-12-12
Speed increased from 25 to 30
2027-11-28
Weight decreased from 218 to 217
2027-11-05
Movement Potential decreased from 50 to 45
Movement decreased from 50 to 45
Local Popularity decreased from Popular to Well Known
2027-10-22
Speed decreased from 30 to 25
2027-09-18
Movement vs R decreased from 50 to 45
Control vs R decreased from 50 to 45
GB% decreased from 43% to 42%
Fastball Pot decreased from 60 to 55
Fastball decreased from 60 to 55
2027-08-24
Stuff Potential decreased from 50 to 45
Stuff decreased from 50 to 45
Stuff vs L decreased from 50 to 45
Role changed from RP to SP
2027-08-19
Speed increased from 25 to 30
2027-07-20
Weight decreased from 219 to 218
2027-07-15
Weight decreased from 220 to 219
2027-06-24
Stuff Potential increased from 45 to 50
Stuff increased from 45 to 50
Stuff vs L increased from 45 to 50
Role changed from SP to RP
2027-06-14
Stuff Potential decreased from 50 to 45
Stuff decreased from 50 to 45
Stuff vs L decreased from 50 to 45
Role changed from RP to SP
2027-06-09
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
Weight decreased from 221 to 220
2027-04-10
Hold decreased from 55 to 50
2027-03-17
Stuff Potential increased from 45 to 50
Stuff increased from 45 to 50
Stuff vs L increased from 45 to 50
GB% decreased from 44% to 43%
Role changed from SP to RP
Weight decreased from 222 to 221
2026-12-04
Weight increased from 221 to 222
2026-11-04
National Popularity decreased from Popular to Well Known
2026-08-25
Weight decreased from 222 to 221
2026-08-05
Weight increased from 221 to 222
2026-07-31
Avoid Ks Potential decreased from 30 to 25
Avoid Ks decreased from 30 to 25
Avoid Ks vs R decreased from 30 to 25
Avoid Ks vs L decreased from 30 to 25
Stamina decreased from 55 to 50
2026-07-21
Weight increased from 220 to 221
2026-06-25
Weight decreased from 221 to 220
2026-05-21
Weight decreased from 222 to 221
2026-05-16
Weight increased from 221 to 222
2026-05-01
Avoid Ks Potential increased from 25 to 30
Avoid Ks increased from 25 to 30
Avoid Ks vs R increased from 25 to 30
Avoid Ks vs L increased from 25 to 30
2026-04-06
Weight increased from 220 to 221
2026-03-18
Stuff Potential decreased from 50 to 45
Stuff decreased from 50 to 45
Stuff vs R decreased from 50 to 45
Stuff vs L decreased from 50 to 45
Role changed from RP to SP
Weight increased from 219 to 220
2026-01-04
Weight decreased from 220 to 219
2026-01-01
Contact Potential decreased from 30 to 25
Contact decreased from 30 to 25
Contact vs R decreased from 30 to 25
Contact vs L decreased from 30 to 25
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 30 to 25
Avoid Ks decreased from 30 to 25
Avoid Ks vs R decreased from 30 to 25
Avoid Ks vs L decreased from 30 to 25
Sac Bunt decreased from 60 to 50
Infield Arm decreased from 45 to 40
Outfield Arm increased from 35 to 40
Catcher Arm increased from 20 to 25
P defense decreased from 45 to 40
Stuff Potential increased from 45 to 50
Stuff increased from 45 to 50
Stuff vs R increased from 45 to 50
Movement Potential increased from 45 to 50
Movement increased from 45 to 50
Movement vs R increased from 45 to 50
Stamina decreased from 60 to 55
Weight decreased from 221 to 220
2025-07-01
Contact Potential increased from 25 to 30
Contact increased from 25 to 30
Contact vs R increased from 25 to 30
Contact vs L increased from 25 to 30
Outfield Arm decreased from 40 to 35
Movement Potential decreased from 50 to 45
Movement decreased from 50 to 45
Movement vs R decreased from 50 to 45
GB% decreased from 46% to 44%
Changeup increased from 30 to 35
Weight decreased from 223 to 221
2025-01-01
Contact Potential decreased from 30 to 25
Contact decreased from 30 to 25
Contact vs R decreased from 30 to 25
Contact vs L decreased from 30 to 25
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
GB% decreased from 51% to 46%
Changeup Pot increased from 30 to 35
Weight decreased from 225 to 223
Local Popularity decreased from Very Popular to Popular
2024-07-01
Contact Potential increased from 25 to 30
Contact increased from 25 to 30
Contact vs R increased from 25 to 30
Contact vs L increased from 25 to 30
Infield Error decreased from 40 to 35
Outfield Range decreased from 35 to 30
Stuff vs L increased from 45 to 50
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 50 to 55
Control Potential increased from 40 to 45
Control increased from 40 to 45
Control vs R increased from 40 to 45
Control vs L increased from 40 to 45
GB% increased from 45% to 51%
Changeup Pot decreased from 35 to 30
Changeup decreased from 35 to 30
Role changed from SP to RP
Weight increased from 224 to 225
2024-01-01
Catcher Ability decreased from 25 to 20
Control Potential decreased from 45 to 40
Control decreased from 45 to 40
Control vs L decreased from 45 to 40
GB% increased from 43% to 45%
Stamina increased from 55 to 60
Weight decreased from 227 to 224
2023-07-01
Control Potential increased from 40 to 45
Control increased from 40 to 45
Control vs L increased from 40 to 45
GB% increased from 42% to 43%
Weight increased from 226 to 227
2023-01-01
Avoid Ks increased from 25 to 30
Avoid Ks vs R increased from 25 to 30
Avoid Ks vs L increased from 25 to 30
Stuff Potential decreased from 50 to 45
Stuff decreased from 50 to 45
Stuff vs R decreased from 50 to 45
Stuff vs L decreased from 50 to 45
Movement vs L increased from 45 to 50
Role changed from RP to SP
Weight increased from 225 to 226
Local Popularity increased from Insignificant to Very Popular
National Popularity increased from Unknown to Popular