Tyler Schlaffer
Buffalo Bisons (AAA)
Tyler Schlaffer
Birthdate:
May 24, 2001 (27 y, 3 m, 4 d)
Born In:
Homewood, IL, USA
Nationality:
American
Position:
P
Bats/Throws:
R/R
Height/Weight:
6'0"/195
Entry:
Unknown
Contract:
Minor League
ML Service Time:
None
OSA Rating History
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Ratings Changes
2028-07-31
Stuff Potential decreased from 45 to 40
GB% increased from 56% to 57%
2028-06-05
Stuff Potential increased from 40 to 45
2028-05-01
Avoid Ks vs L decreased from 40 to 35
Stuff Potential decreased from 45 to 40
Changeup Pot decreased from 50 to 45
Changeup decreased from 40 to 35
Weight increased from 194 to 195
2028-03-31
Eye Potential decreased from 35 to 30
2027-12-23
Weight increased from 193 to 194
2027-11-14
Eye Potential increased from 30 to 35
2027-10-04
Local Popularity increased from Unknown to Insignificant
2027-08-09
Eye Potential decreased from 35 to 30
Outfield Arm decreased from 35 to 30
Stuff decreased from 45 to 40
Stuff vs R decreased from 45 to 40
GB% decreased from 57% to 56%
Stamina decreased from 55 to 50
Fastball Pot decreased from 65 to 60
2027-07-05
Stuff increased from 40 to 45
2027-05-03
Eye Potential increased from 30 to 35
P defense decreased from 30 to 20
Stuff decreased from 45 to 40
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 55% to 57%
Changeup Pot decreased from 55 to 50
Changeup decreased from 45 to 40
2027-04-26
Weight increased from 192 to 193
2027-04-12
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 40
Role changed from RP to SP
2027-04-01
Speed decreased from 30 to 25
Stuff Potential increased from 45 to 50
Stuff increased from 45 to 50
Stuff vs R increased from 45 to 50
Stuff vs L increased from 45 to 50
Role changed from SP to RP
Weight increased from 191 to 192
2027-01-15
Weight increased from 190 to 191
2027-01-04
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
2026-12-22
Weight decreased from 191 to 190
2026-10-25
Weight increased from 190 to 191
2026-09-28
Changeup decreased from 50 to 45
2026-08-31
Weight increased from 189 to 190
2026-08-03
Weight decreased from 190 to 189
2026-07-20
Weight increased from 189 to 190
2026-06-22
Weight decreased from 190 to 189
2026-06-15
Eye Potential decreased from 35 to 30
GB% increased from 54% to 55%
Fastball decreased from 65 to 60
Changeup Pot decreased from 60 to 55
Changeup increased from 45 to 50
2026-06-08
Weight decreased from 191 to 190
2026-06-01
Stuff vs L increased from 45 to 50
2026-04-27
Stuff Potential increased from 45 to 50
Stuff increased from 45 to 50
Stuff vs R increased from 45 to 50
Role changed from SP to RP
2026-03-13
Weight increased from 190 to 191
2026-02-11
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 189 to 190
2025-12-24
Baserunning decreased from 35 to 30
2025-12-04
Movement Potential increased from 45 to 50
Movement increased from 45 to 50
Movement vs R increased from 45 to 50
Movement vs L increased from 45 to 50
GB% increased from 51% to 54%
Curveball Pot decreased from 60 to 55
Curveball decreased from 60 to 55
2025-11-14
Eye vs L decreased from 35 to 30
2025-10-13
Weight increased from 187 to 189
2025-06-02
Weight increased from 186 to 187
2025-05-26
Stuff Potential increased from 45 to 50
Stuff increased from 45 to 50
Stuff vs R increased from 45 to 50
Stuff vs L increased from 45 to 50
Role changed from SP to RP
2025-04-28
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 185 to 186
2025-04-14
Avoid Ks vs L increased from 35 to 40
GB% increased from 48% to 51%
2025-04-07
Stuff Potential increased from 45 to 50
Stuff increased from 45 to 50
Stuff vs R increased from 45 to 50
Stuff vs L increased from 45 to 50
Role changed from SP to RP
2025-03-28
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 decreased from 186 to 185
2024-11-14
Weight decreased from 187 to 186
Local Popularity decreased from Insignificant to Unknown
2024-08-19
Eye vs L increased from 30 to 35
Avoid Ks increased from 35 to 40
Avoid Ks vs R increased from 35 to 40
Stuff Potential increased from 45 to 50
Stuff increased from 45 to 50
Stuff vs R increased from 45 to 50
Stuff vs L increased from 45 to 50
Stamina increased from 50 to 55
Role changed from SP to RP
2024-07-29
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 186 to 187
2024-07-22
Stuff Potential increased from 45 to 50
Stuff increased from 45 to 50
Stuff vs R increased from 45 to 50
Stuff vs L increased from 45 to 50
Role changed from SP to RP
Weight increased from 185 to 186
2024-05-27
Eye increased from 25 to 30
Eye vs R increased from 25 to 30
Baserunning increased from 30 to 35
Control increased from 40 to 45
Control vs R increased from 40 to 45
Control vs L increased from 40 to 45
GB% decreased from 50% to 48%
Stamina decreased from 55 to 50
Fastball increased from 60 to 65
Changeup Pot decreased from 65 to 60
Weight increased from 184 to 185
2024-04-15
Weight increased from 183 to 184
2024-04-01
Stuff Potential decreased from 50 to 45
2024-03-08
Speed decreased from 35 to 30
Stealing decreased from 30 to 25
2023-12-08
Stealing increased from 25 to 30
2023-11-11
Local Popularity increased from Unknown to Insignificant
2023-10-11
Weight decreased from 184 to 183
2023-09-25
Weight decreased from 185 to 184
2023-09-01
Eye vs L increased from 25 to 30
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
Infield Range decreased from 25 to 20
P defense decreased from 35 to 30
Stuff Potential increased from 45 to 50
Stuff increased from 40 to 45
Stuff vs L increased from 40 to 45
Movement Potential increased from 40 to 45
Movement increased from 35 to 45
Movement vs R increased from 35 to 45
Movement vs L increased from 35 to 45
Control Potential increased from 45 to 50
GB% increased from 47% to 50%
2023-08-21
Weight increased from 184 to 185
2023-08-07
Hold increased from 45 to 50
Weight increased from 183 to 184
2023-07-10
Weight increased from 181 to 183
2023-06-26
Stuff Potential decreased from 50 to 45
Stuff decreased from 50 to 40
Stuff vs R decreased from 50 to 45
Stuff vs L decreased from 45 to 40
Role changed from RP to SP
2023-06-05
Stuff increased from 45 to 50
Stuff vs R increased from 45 to 50
Movement increased from 30 to 35
Movement vs R increased from 30 to 35
Movement vs L increased from 30 to 35
Control increased from 35 to 40
Control vs R increased from 35 to 40
Control vs L increased from 35 to 40
Fastball Pot increased from 60 to 65
Curveball increased from 55 to 60
2023-05-08
Stuff increased from 40 to 45
Stuff vs R increased from 40 to 45
Stuff vs L increased from 40 to 45
Role changed from SP to RP
2023-03-31
Control decreased from 40 to 35
Control vs R decreased from 40 to 35
2023-03-05
Avoid Ks Potential decreased from 45 to 40
Stuff vs R decreased from 45 to 40
Control vs L decreased from 40 to 35
Fastball Pot decreased from 65 to 60