Jon Kalman
Detroit Tigers (ML)
Jon Kalman
Birthdate:
Jan. 22, 2008 (32 y, 2 m, 11 d)
Born In:
Houston, TX, USA
Nationality:
American
Position:
P
Bats/Throws:
R/R
Height/Weight:
6'2"/199
Entry:
2026 Draft - Round: 10, Overall: 303, Team: Houston Astros
Contract:
$42.6M / 4 years (2038-2041)
ML Service Time:
8 years, 1 days
OSA Rating History
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Ratings Changes
2040-04-02
Movement vs R increased from 55 to 60
2040-03-19
Eye vs R increased from 40 to 45
Weight increased from 198 to 199
2040-03-12
Eye vs R decreased from 45 to 40
2040-03-05
Eye vs R increased from 40 to 45
2040-02-27
Eye vs R decreased from 45 to 40
GB% increased from 62% to 63%
2040-02-06
Weight decreased from 199 to 198
2039-12-12
Weight increased from 198 to 199
2039-11-28
Control vs R decreased from 40 to 35
Weight decreased from 199 to 198
2039-11-07
Control vs R increased from 35 to 40
2039-11-02
Local Popularity increased from Insignificant to Fair
National Popularity increased from Insignificant to Fair
2039-10-03
Weight decreased from 200 to 199
2039-09-26
Weight increased from 199 to 200
2039-08-15
Control vs R decreased from 40 to 35
Changeup Pot decreased from 35 to 30
Changeup decreased from 35 to 30
2039-07-31
Control vs R increased from 35 to 40
2039-07-18
Control Potential decreased from 40 to 35
Control decreased from 40 to 35
Control vs R decreased from 40 to 35
2039-07-11
Weight increased from 198 to 199
2039-07-04
Control Potential increased from 35 to 40
Control increased from 35 to 40
2039-06-27
Control vs R increased from 35 to 40
2039-06-20
Control vs R decreased from 40 to 35
2039-06-06
Control vs R increased from 35 to 40
2039-05-23
Stuff vs R decreased from 70 to 65
Control Potential decreased from 40 to 35
Control decreased from 40 to 35
Control vs R decreased from 40 to 35
Fastball Pot decreased from 65 to 60
Fastball decreased from 65 to 60
Changeup Pot increased from 30 to 35
Changeup increased from 30 to 35
2039-05-16
Stuff vs L decreased from 65 to 60
Weight decreased from 199 to 198
2039-05-09
Stuff vs L increased from 60 to 65
2039-05-02
Stuff vs L decreased from 65 to 60
2039-04-25
Stuff vs L increased from 60 to 65
Control Potential increased from 35 to 40
Control increased from 35 to 40
2039-04-18
Control Potential decreased from 40 to 35
Control decreased from 40 to 35
2039-04-11
Control Potential increased from 35 to 40
Control increased from 35 to 40
2039-04-04
Movement Potential increased from 50 to 55
Movement increased from 50 to 55
Control vs R increased from 35 to 40
2039-03-21
Role changed from CL to RP
2039-02-28
Avoid Ks Potential increased from 20 to 25
Avoid Ks increased from 20 to 25
Avoid Ks vs R increased from 20 to 25
Movement Potential decreased from 60 to 50
Movement decreased from 60 to 50
Movement vs R decreased from 60 to 55
Movement vs L decreased from 55 to 50
Control Potential decreased from 40 to 35
Control decreased from 40 to 35
Control vs R decreased from 45 to 35
Control vs L decreased from 40 to 35
Slider Pot decreased from 75 to 65
Slider decreased from 75 to 65
Changeup Pot decreased from 35 to 30
Changeup decreased from 35 to 30
Role changed from SP to CL
2039-02-14
Avoid Ks vs L increased from 20 to 25
Control Potential decreased from 45 to 40
Control decreased from 45 to 40
2039-01-31
Avoid Ks Potential decreased from 25 to 20
Avoid Ks decreased from 25 to 20
Avoid Ks vs R decreased from 25 to 20
Avoid Ks vs L decreased from 25 to 20
2038-11-29
Control vs L decreased from 45 to 40
2038-11-15
Weight increased from 198 to 199
2038-11-04
Control vs L increased from 40 to 45
2038-09-27
Stuff vs R increased from 65 to 70
2038-09-20
Stuff vs R decreased from 70 to 65
2038-09-13
Control vs L decreased from 45 to 40
2038-09-06
Stuff vs R increased from 65 to 70
2038-08-30
Stuff vs R decreased from 70 to 65
2038-08-23
Control vs L increased from 40 to 45
2038-08-16
Control vs L decreased from 45 to 40
2038-07-12
Stuff vs R increased from 65 to 70
2038-07-05
Stuff vs R decreased from 70 to 65
Movement Potential increased from 55 to 60
Movement increased from 55 to 60
GB% increased from 60% to 62%
2038-06-28
Avoid Ks Potential increased from 20 to 25
Avoid Ks increased from 20 to 25
Avoid Ks vs R increased from 20 to 25
2038-04-05
Avoid Ks Potential decreased from 25 to 20
Avoid Ks decreased from 25 to 20
Avoid Ks vs R decreased from 25 to 20
Movement vs R increased from 55 to 60
Movement vs L increased from 50 to 55
GB% increased from 59% to 60%
Fastball Pot decreased from 70 to 65
Fastball decreased from 70 to 65
2038-03-15
Power Potential increased from 25 to 30
Power increased from 25 to 30
Power vs R increased from 25 to 30
2038-03-08
Power Potential decreased from 30 to 25
Power decreased from 30 to 25
Power vs R decreased from 30 to 25
2038-02-25
Weight increased from 197 to 198
2037-12-25
Forkball Pot decreased from 65 to 60
Forkball decreased from 65 to 60
Weight decreased from 198 to 197
2037-12-14
Movement vs R decreased from 60 to 55
2037-12-07
Forkball Pot increased from 60 to 65
Forkball increased from 60 to 65
2037-11-30
Movement vs R increased from 55 to 60
2037-11-23
Stuff Potential decreased from 75 to 65
Stuff decreased from 75 to 65
Stuff vs R decreased from 75 to 70
Stuff vs L decreased from 70 to 60
Role changed from RP to SP
Weight decreased from 199 to 198
2037-11-16
Weight decreased from 200 to 199
2037-10-19
Stuff Potential increased from 65 to 75
Stuff increased from 65 to 75
Stuff vs R increased from 70 to 75
Stuff vs L increased from 60 to 70
Role changed from SP to RP
2037-09-28
Outfield Arm decreased from 35 to 30
Movement vs R decreased from 60 to 55
Movement vs L decreased from 55 to 50
GB% decreased from 61% to 59%
Stamina decreased from 65 to 60
Forkball Pot decreased from 65 to 60
Forkball decreased from 65 to 60
2037-09-07
Weight increased from 199 to 200
2037-07-06
Weight increased from 198 to 199
2037-06-29
Contact vs L decreased from 30 to 25
Movement Potential decreased from 60 to 55
Movement decreased from 60 to 55
GB% decreased from 63% to 61%
2037-06-22
Contact vs L increased from 25 to 30
2037-04-13
Control vs L increased from 40 to 45
2037-04-06
Control Potential increased from 40 to 45
Control increased from 40 to 45
Control vs R increased from 40 to 45
2037-04-02
Control Potential decreased from 45 to 40
Control vs R decreased from 45 to 40
GB% decreased from 64% to 63%
Stamina increased from 60 to 65
Changeup Pot decreased from 40 to 35
2037-03-23
Forkball Pot increased from 60 to 65
Forkball increased from 60 to 65
2037-02-26
Control decreased from 45 to 40
2037-01-19
Weight decreased from 199 to 198
2037-01-01
Sac Bunt increased from 30 to 35
Movement vs R decreased from 65 to 60
Control vs L decreased from 45 to 40
GB% decreased from 65% to 64%
Stamina decreased from 65 to 60
Forkball Pot decreased from 65 to 60
Weight decreased from 200 to 199
Local Popularity decreased from Fair to Insignificant
National Popularity decreased from Fair to Insignificant
2036-07-01
Power Potential increased from 25 to 30
Power increased from 25 to 30
Power vs R increased from 25 to 30
Sac Bunt decreased from 35 to 30
Stealing decreased from 25 to 20
Movement vs L decreased from 60 to 55
Control vs L increased from 40 to 45
GB% decreased from 67% to 65%
Stamina increased from 60 to 65
Changeup decreased from 40 to 35
Forkball Pot increased from 60 to 65
Weight decreased from 201 to 200
2036-01-01
Power vs L increased from 25 to 30
Eye vs L decreased from 50 to 45
Local Popularity decreased from Well Known to Fair
National Popularity decreased from Well Known to Fair
2035-07-01
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
Gap vs L decreased from 30 to 25
Movement Potential decreased from 65 to 60
Movement decreased from 65 to 60
Control increased from 40 to 45
Control vs R increased from 40 to 45
GB% decreased from 70% to 67%
Stamina decreased from 65 to 60
Forkball Pot decreased from 65 to 60
Forkball decreased from 65 to 60
Weight increased from 200 to 201
2035-01-01
Contact Potential increased from 25 to 30
Contact increased from 25 to 30
Contact vs R increased from 25 to 30
Gap vs L increased from 25 to 30
Stealing increased from 20 to 25
Control Potential increased from 40 to 45
Stamina increased from 60 to 65
Forkball Pot increased from 60 to 65
Forkball increased from 60 to 65
Weight decreased from 201 to 200
Local Popularity decreased from Popular to Well Known
National Popularity decreased from Popular to Well Known
2034-07-01
Contact vs L increased from 25 to 30
Eye vs L increased from 45 to 50
Stuff Potential decreased from 75 to 65
Stuff decreased from 75 to 65
Stuff vs R decreased from 80 to 70
Stuff vs L decreased from 70 to 60
Movement vs R decreased from 70 to 65
Control Potential decreased from 45 to 40
Control decreased from 45 to 40
Control vs R decreased from 45 to 40
Control vs L decreased from 45 to 40
GB% increased from 69% to 70%
Changeup Pot decreased from 45 to 40
Role changed from RP to SP
2034-01-01
Gap Potential decreased from 30 to 25
Gap decreased from 30 to 25
Gap 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
Stealing decreased from 25 to 20
Catcher Arm decreased from 25 to 20
Stuff Potential increased from 65 to 75
Stuff increased from 65 to 75
Stuff vs R increased from 70 to 80
Stuff vs L increased from 60 to 70
Movement Potential increased from 55 to 65
Movement increased from 55 to 65
Movement vs R increased from 55 to 70
Movement vs L increased from 55 to 60
Control Potential increased from 30 to 45
Control increased from 30 to 45
Control vs R increased from 30 to 45
Control vs L increased from 30 to 45
GB% decreased from 70% to 69%
Fastball Pot increased from 65 to 70
Fastball increased from 65 to 70
Slider Pot increased from 70 to 75
Slider increased from 70 to 75
Changeup Pot increased from 35 to 45
Changeup increased from 30 to 40
Forkball Pot increased from 55 to 60
Forkball increased from 55 to 60
Weight increased from 200 to 201
Local Popularity increased from Well Known to Popular
National Popularity increased from Well Known to Popular
2033-07-01
Gap vs R decreased from 30 to 25
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
Movement vs R decreased from 60 to 55
Movement vs L increased from 50 to 55
Control Potential decreased from 35 to 30
Control decreased from 35 to 30
Control vs R decreased from 35 to 30
Control vs L decreased from 35 to 30
Weight increased from 198 to 200
2033-01-01
Gap vs R 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
Eye Potential decreased from 50 to 45
Eye vs L decreased from 50 to 45
Movement vs L decreased from 55 to 50
Forkball Pot decreased from 60 to 55
Weight decreased from 199 to 198
Local Popularity increased from Unknown to Well Known
National Popularity increased from Unknown to Well Known
2032-07-01
Power vs L increased from 20 to 25
Stuff Potential increased from 60 to 65
Stuff increased from 60 to 65
Stuff vs R increased from 60 to 70
Stuff vs L increased from 55 to 60
Movement Potential decreased from 60 to 55
Movement decreased from 60 to 55
Control increased from 30 to 35
Control vs L increased from 30 to 35
GB% increased from 69% to 70%
Forkball decreased from 60 to 55
Role changed from SP to RP
Weight decreased from 201 to 199
2032-01-01
Eye Potential increased from 45 to 50
Eye vs L increased from 45 to 50
Stuff Potential decreased from 70 to 60
Stuff decreased from 65 to 60
Stuff vs R decreased from 70 to 60
Stuff vs L decreased from 65 to 55
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 50 to 55
Control decreased from 35 to 30
Control vs L decreased from 35 to 30
GB% increased from 67% to 69%
Role changed from RP to SP
2031-07-01
Gap vs R decreased from 30 to 25
Eye increased from 40 to 45
Eye vs R increased from 40 to 45
Avoid Ks Potential decreased from 35 to 30
Avoid Ks decreased from 35 to 30
Avoid Ks vs R decreased from 35 to 30
Avoid Ks vs L decreased from 35 to 30
Stealing increased from 20 to 25
Stuff Potential increased from 65 to 70
Stuff vs L increased from 60 to 65
Movement Potential increased from 50 to 55
Movement increased from 50 to 55
Control Potential increased from 30 to 35
Control increased from 30 to 35
Control vs R increased from 30 to 35
Control vs L increased from 30 to 35
GB% increased from 65% to 67%
Changeup increased from 25 to 30
Weight increased from 198 to 201
2031-01-01
Power Potential decreased from 25 to 20
Power vs L decreased from 25 to 20
Stuff Potential increased from 60 to 65
Stuff increased from 55 to 65
Stuff vs R increased from 60 to 70
Stuff vs L increased from 55 to 60
Movement Potential decreased from 55 to 50
Movement decreased from 55 to 50
Movement vs R decreased from 60 to 55
Hold decreased from 40 to 35
Role changed from SP to RP
Weight increased from 196 to 198
2030-07-01
Gap vs R increased from 25 to 30
Power Potential increased from 20 to 25
Power vs L increased from 20 to 25
Eye Potential decreased from 50 to 45
Stuff increased from 50 to 55
Stuff vs R increased from 55 to 60
Stuff vs L increased from 50 to 55
Movement Potential increased from 50 to 55
Movement increased from 50 to 55
Movement vs R increased from 55 to 60
GB% increased from 64% to 65%
Hold increased from 35 to 40
Fastball increased from 60 to 65
Slider increased from 60 to 70
Changeup Pot decreased from 40 to 35
Forkball increased from 55 to 60
Weight increased from 195 to 196
2030-01-01
Eye Potential increased from 45 to 50
Eye vs L increased from 40 to 45
Movement Potential increased from 45 to 50
Movement increased from 40 to 50
Movement vs R increased from 45 to 55
Movement vs L increased from 40 to 50
Control increased from 25 to 30
Control vs R increased from 25 to 30
Control vs L increased from 25 to 30
GB% increased from 61% to 64%
Hold decreased from 40 to 35
Slider Pot increased from 65 to 70
Changeup Pot increased from 35 to 40
Forkball Pot increased from 55 to 60
Weight increased from 192 to 195
2029-07-01
Eye increased from 35 to 40
Eye vs R increased from 35 to 40
Stuff Potential increased from 55 to 60
Stuff increased from 45 to 50
Stuff vs R increased from 50 to 55
Stuff vs L increased from 45 to 50
Movement Potential increased from 40 to 45
Movement increased from 35 to 40
Movement vs R increased from 35 to 45
Movement vs L increased from 35 to 40
Control Potential increased from 25 to 30
GB% increased from 58% to 61%
Slider Pot decreased from 70 to 65
Slider increased from 55 to 60
Weight increased from 190 to 192
2029-01-01
Gap vs R decreased from 30 to 25
Power Potential decreased from 25 to 20
Eye Potential increased from 40 to 45
Eye vs R increased from 30 to 35
Eye vs L increased from 35 to 40
Sac Bunt decreased from 40 to 35
Speed decreased from 25 to 20
Stuff vs R increased from 45 to 50
Stuff vs L increased from 40 to 45
Movement Potential decreased from 45 to 40
Movement decreased from 40 to 35
Movement vs R decreased from 45 to 35
Movement vs L decreased from 40 to 35
Control Potential decreased from 30 to 25
Stamina decreased from 65 to 60
Slider Pot increased from 60 to 70
Slider increased from 45 to 55
Changeup Pot decreased from 50 to 35
Changeup decreased from 30 to 25
Forkball increased from 50 to 55
Weight increased from 187 to 190
Local Popularity decreased from Insignificant to Unknown
2028-07-01
Eye increased from 30 to 35
Eye vs R increased from 25 to 30
Eye vs L increased from 30 to 35
Stuff Potential increased from 50 to 55
Stuff increased from 35 to 45
Stuff vs R increased from 35 to 45
Stuff vs L increased from 35 to 40
Movement increased from 35 to 40
Movement vs R increased from 35 to 45
Movement vs L increased from 30 to 40
Velocity increased from 97-99 mph to 99-101 mph
GB% increased from 57% to 58%
Fastball Pot increased from 60 to 65
Fastball increased from 55 to 60
Slider increased from 40 to 45
Changeup increased from 25 to 30
Forkball increased from 45 to 50
Weight increased from 183 to 187
2028-01-01
Gap increased from 25 to 30
Gap vs R increased from 25 to 30
Gap vs L increased from 25 to 30
Eye increased from 25 to 30
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
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 increased from 30 to 35
Movement vs R increased from 30 to 35
Control Potential decreased from 40 to 30
Velocity increased from 96-98 mph to 97-99 mph
GB% increased from 55% to 57%
Fastball Pot increased from 55 to 60
Fastball increased from 50 to 55
Slider increased from 35 to 40
Changeup increased from 20 to 25
Weight increased from 179 to 183
Local Popularity increased from Unknown to Insignificant
2027-07-01
Hold increased from 35 to 40
Weight decreased from 180 to 179
2027-01-01
Power Potential decreased from 30 to 25
Eye Potential decreased from 45 to 40
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
Speed decreased from 30 to 25
Control Potential decreased from 45 to 40
Slider Pot increased from 55 to 60
Weight increased from 178 to 180
2026-07-01
Infield Error increased from 20 to 25
Forkball Pot increased from 50 to 55
2026-01-01
Speed increased from 25 to 30
Velocity increased from 95-97 mph to 96-98 mph
Stamina increased from 60 to 65
Fastball increased from 45 to 50
Forkball increased from 40 to 45
Weight increased from 175 to 178
2025-07-01
Stealing decreased from 25 to 20
Weight decreased from 176 to 175
Height increased from 188 to 189
2025-01-01
Contact increased from 20 to 25
Contact vs R increased from 20 to 25
Contact vs L increased from 20 to 25
Avoid Ks Potential decreased from 40 to 35
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
Speed decreased from 30 to 25
Stealing increased from 20 to 25
Infield Range decreased from 25 to 20
Outfield Range decreased from 30 to 20
Stuff increased from 25 to 30
Stuff vs L increased from 25 to 30
Control Potential decreased from 50 to 45
Velocity increased from 93-95 mph to 95-97 mph
GB% increased from 54% to 55%
Fastball Pot increased from 50 to 55
Slider Pot decreased from 60 to 55
Slider increased from 30 to 35
Weight increased from 174 to 176
2024-07-01
Avoid Ks increased from 25 to 30
Avoid Ks vs R increased from 25 to 30
P defense decreased from 35 to 20
Weight increased from 167 to 174
Height increased from 186 to 188
2024-01-01
Avoid Ks decreased from 30 to 25
Avoid Ks vs R decreased from 30 to 25
Sac Bunt decreased from 45 to 40
Speed decreased from 35 to 30
Stuff vs R increased from 25 to 30
Control Potential decreased from 55 to 50
Velocity increased from 91-93 mph to 93-95 mph
Fastball increased from 40 to 45
Forkball increased from 35 to 40
Weight increased from 165 to 167
Height increased from 185 to 186
2023-07-01
Speed increased from 30 to 35