Billy Sullivan
Arizona Diamondbacks (ML)
Billy Sullivan
Birthdate:
April 16, 1999 (29 y, 4 m, 26 d)
Born In:
Wilmington, DE, USA
Nationality:
American
Position:
P
Bats/Throws:
R/R
Height/Weight:
6'2"/201
Entry:
Unknown
Contract:
$1.7M / 1 year
ML Service Time:
4 years, 55 days
OSA Rating History
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Ratings Changes
2028-09-11
Weight decreased from 202 to 201
2028-07-31
Outfield Arm decreased from 45 to 40
GB% decreased from 45% to 44%
2028-04-17
GB% decreased from 46% to 45%
2028-03-31
Stealing increased from 20 to 25
Weight increased from 201 to 202
2028-03-19
Weight decreased from 202 to 201
2028-01-15
Weight increased from 201 to 202
2027-12-23
Weight increased from 200 to 201
2027-11-14
Weight increased from 199 to 200
Local Popularity increased from Fair to Well Known
National Popularity increased from Fair to Well Known
2027-10-04
Weight decreased from 200 to 199
2027-09-13
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
Sac Bunt decreased from 50 to 45
2027-07-05
Avoid Ks Potential increased from 20 to 25
Avoid Ks increased from 20 to 25
Avoid Ks vs R increased from 20 to 25
Avoid Ks vs L increased from 20 to 25
Control Potential increased from 35 to 40
Control increased from 35 to 40
Control vs R increased from 35 to 40
Control vs L increased from 35 to 40
Stamina decreased from 30 to 25
2027-05-17
Weight decreased from 201 to 200
2027-04-26
Weight increased from 200 to 201
2027-04-12
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
2027-04-01
Avoid Ks Potential increased from 20 to 25
Avoid Ks increased from 20 to 25
Avoid Ks vs R increased from 20 to 25
Avoid Ks vs L increased from 20 to 25
GB% increased from 45% to 46%
2026-11-12
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
Local Popularity decreased from Well Known to Fair
National Popularity decreased from Well Known to Fair
2026-07-27
Stuff Potential decreased from 80 to 75
2026-05-25
Weight decreased from 201 to 200
2026-04-13
Stuff decreased from 80 to 75
Stuff vs R decreased from 80 to 75
Stuff vs L decreased from 80 to 75
Control Potential decreased from 40 to 35
Control decreased from 40 to 35
Control vs R decreased from 40 to 35
Control vs L decreased from 40 to 35
GB% increased from 44% to 45%
2026-02-11
Hold increased from 45 to 50
Weight increased from 200 to 201
2025-12-24
Weight decreased from 201 to 200
2025-12-04
Sac Bunt increased from 45 to 50
Outfield Error decreased from 40 to 35
Control Potential increased from 35 to 40
Control increased from 35 to 40
Control vs R increased from 35 to 40
Control vs L increased from 35 to 40
Weight increased from 200 to 201
2025-11-14
Local Popularity increased from Unknown to Well Known
National Popularity increased from Unknown to Well Known
2025-08-25
Weight decreased from 201 to 200
2025-05-05
Sac Bunt decreased from 50 to 45
Outfield Range decreased from 35 to 30
Stuff Potential increased from 75 to 80
Stuff increased from 75 to 80
Stuff vs R increased from 75 to 80
Stuff vs L increased from 75 to 80
Movement vs R increased from 45 to 50
Velocity increased from 97-99 mph to 98-100 mph
GB% increased from 42% to 44%
Weight decreased from 202 to 201
2025-04-14
Weight decreased from 203 to 202
2025-04-04
Movement Potential increased from 45 to 50
Movement increased from 45 to 50
Movement vs L increased from 45 to 50
2024-12-11
Weight increased from 201 to 203
2024-11-29
Weight increased from 200 to 201
2024-11-14
Hold decreased from 50 to 45
Weight increased from 199 to 200
2024-09-16
Sac Bunt increased from 45 to 50
Infield Range decreased from 35 to 30
Stuff increased from 70 to 75
Stuff vs R increased from 70 to 75
Stuff vs L increased from 70 to 75
Weight increased from 198 to 199
2024-07-22
Weight increased from 197 to 198
2024-06-24
Role changed from CL to RP
2024-06-17
Role changed from RP to CL
2024-06-10
Sac Bunt decreased from 50 to 45
Stuff Potential increased from 70 to 75
Stuff increased from 65 to 70
Stuff vs R increased from 65 to 70
Stuff vs L increased from 65 to 70
Control increased from 30 to 35
Control vs R increased from 30 to 35
Control vs L increased from 30 to 35
GB% decreased from 44% to 42%
Fastball Pot increased from 70 to 75
Fastball increased from 70 to 75
Curveball Pot increased from 70 to 75
Curveball increased from 70 to 75
Changeup Pot increased from 55 to 60
Changeup increased from 55 to 60
Weight increased from 196 to 197
2024-05-27
Baserunning increased from 30 to 35
Hold increased from 45 to 50
Role changed from CL to RP
2024-04-15
Baserunning decreased from 35 to 30
Role changed from RP to CL
2024-03-28
Weight increased from 195 to 196
2024-03-16
Role changed from CL to RP
2024-03-08
Sac Bunt increased from 45 to 50
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
GB% decreased from 48% to 44%
Hold decreased from 50 to 45
Curveball increased from 65 to 70
Changeup Pot decreased from 60 to 55
2023-11-11
Weight decreased from 196 to 195
2023-10-11
Stealing decreased from 25 to 20
2023-08-21
Weight increased from 195 to 196
2023-08-07
Weight increased from 193 to 195
2023-06-26
Avoid Ks Potential increased from 20 to 25
Avoid Ks increased from 20 to 25
Avoid Ks vs R increased from 20 to 25
Avoid Ks vs L increased from 20 to 25
Control Potential decreased from 40 to 35
GB% decreased from 50% to 48%
Changeup Pot increased from 55 to 60
Changeup increased from 50 to 55
Weight decreased from 194 to 193
2023-03-06
Movement Potential decreased from 55 to 50
2023-03-05
Role changed from RP to CL
2023-03-05
Avoid Ks Potential decreased from 25 to 20
Avoid Ks decreased from 25 to 20
Avoid Ks vs R decreased from 25 to 20
Avoid Ks vs L decreased from 25 to 20
Sac Bunt decreased from 50 to 45
Outfield Range decreased from 40 to 35
Role changed from CL to RP
2023-03-05
Role changed from RP to CL