Julius Mueller
Houston Astros (ML)
Julius Mueller
Birthdate:
Sept. 10, 2026 (26 y, 1 m, 29 d)
Born In:
Halifax, MA, USA
Nationality:
American
Position:
P
Bats/Throws:
L/R
Height/Weight:
6'8"/200
Entry:
2045 Draft - Round: 2, Overall: 56, Team: Houston Astros
Contract:
$500k / 1 year
ML Service Time:
2 years, 77 days
OSA Rating History
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Ratings Changes
2052-11-08
Weight decreased from 201 to 200
2052-11-04
Control vs L increased from 60 to 65
2052-10-29
Control vs L decreased from 65 to 60
2052-10-08
Weight increased from 200 to 201
2052-09-23
Power Potential decreased from 30 to 25
2052-09-16
Weight decreased from 201 to 200
2052-09-09
Power decreased from 30 to 25
Power vs R decreased from 30 to 25
Power vs L decreased from 30 to 25
Control vs L increased from 60 to 65
2052-09-02
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
Weight increased from 200 to 201
2052-08-26
Power Potential decreased from 30 to 25
2052-08-19
Power Potential increased from 25 to 30
2052-08-12
Sac Bunt decreased from 65 to 60
GB% increased from 56% to 58%
Sinker Pot increased from 55 to 60
Sinker increased from 55 to 60
2052-08-05
Control vs L decreased from 65 to 60
2052-07-29
Sinker Pot decreased from 60 to 55
Sinker decreased from 60 to 55
Weight decreased from 201 to 200
2052-07-22
Control vs L increased from 60 to 65
2052-07-15
Weight increased from 200 to 201
2052-06-17
Baserunning increased from 20 to 25
2052-06-03
Weight decreased from 201 to 200
2052-05-27
Power Potential decreased from 30 to 25
Weight increased from 200 to 201
2052-05-20
Movement Potential increased from 50 to 55
Movement increased from 50 to 55
Movement vs L increased from 50 to 55
GB% increased from 54% to 56%
Sinker Pot increased from 55 to 60
Sinker increased from 55 to 60
Weight decreased from 201 to 200
2052-05-13
Movement vs R increased from 50 to 55
Weight increased from 200 to 201
2052-05-06
Power Potential increased from 25 to 30
Sinker Pot decreased from 60 to 55
2052-04-29
Power Potential decreased from 30 to 25
Movement vs R decreased from 55 to 50
2052-04-22
Power Potential increased from 25 to 30
Movement vs R increased from 50 to 55
2052-03-18
Hold decreased from 65 to 60
2052-02-19
Sac Bunt increased from 60 to 65
Sinker Pot increased from 55 to 60
Weight increased from 199 to 200
2052-01-22
Movement vs R decreased from 55 to 50
2051-12-21
Movement Potential decreased from 55 to 50
Movement decreased from 55 to 50
Weight decreased from 200 to 199
2051-12-11
Movement Potential increased from 50 to 55
Movement increased from 50 to 55
2051-12-01
Weight decreased from 201 to 200
2051-11-20
Movement vs R increased from 50 to 55
Local Popularity increased from Unknown to Insignificant
National Popularity increased from Unknown to Insignificant
2051-11-10
Weight decreased from 202 to 201
2051-07-31
Hold increased from 60 to 65
Weight decreased from 203 to 202
2051-07-24
Movement vs R decreased from 55 to 50
2051-07-10
Weight decreased from 204 to 203
2051-06-26
Avoid Ks Potential increased from 45 to 50
Avoid Ks increased from 45 to 50
Avoid Ks vs R increased from 45 to 50
Control vs L decreased from 65 to 60
2051-06-12
Power Potential decreased from 30 to 25
2051-06-05
Power Potential increased from 25 to 30
Movement vs R increased from 50 to 55
Weight decreased from 205 to 204
2051-05-29
Movement vs R decreased from 55 to 50
2051-05-22
Movement vs R increased from 50 to 55
2051-04-24
Movement vs R decreased from 55 to 50
2051-04-10
Contact vs L increased from 40 to 45
Stuff vs L increased from 55 to 60
Movement vs R increased from 50 to 55
2051-04-03
Stuff increased from 55 to 60
Stuff vs R increased from 55 to 60
2051-03-06
Sac Bunt decreased from 65 to 60
Infield Range increased from 25 to 30
Outfield Range increased from 35 to 40
Control Potential decreased from 70 to 65
GB% increased from 53% to 54%
Stamina increased from 60 to 65
Changeup increased from 60 to 65
2051-02-20
Power Potential decreased from 30 to 25
Stuff decreased from 60 to 55
Stuff vs R decreased from 60 to 55
2051-01-23
Contact vs L decreased from 45 to 40
Eye vs L decreased from 30 to 25
2050-12-21
Stuff vs L decreased from 60 to 55
2050-12-11
Stuff increased from 55 to 60
Stuff vs R increased from 55 to 60
Stuff vs L increased from 55 to 60
2050-11-19
Power Potential increased from 25 to 30
Eye vs L increased from 25 to 30
2050-10-11
Eye vs L decreased from 30 to 25
2050-10-03
Contact vs L increased from 40 to 45
Avoid Ks vs L increased from 40 to 45
Control Potential increased from 65 to 70
Control increased from 60 to 65
Control vs R increased from 60 to 65
Control vs L increased from 60 to 65
Stamina decreased from 65 to 60
Curveball increased from 45 to 50
2050-09-26
Power Potential decreased from 30 to 25
Avoid Ks vs L decreased from 45 to 40
Weight increased from 204 to 205
2050-09-19
Avoid Ks vs L increased from 40 to 45
2050-09-12
Power Potential increased from 25 to 30
Avoid Ks vs L decreased from 45 to 40
2050-09-05
Avoid Ks vs L increased from 40 to 45
2050-08-29
Weight increased from 203 to 204
2050-07-11
Power Potential decreased from 30 to 25
2050-07-04
Power Potential increased from 25 to 30
2050-06-27
Contact increased from 40 to 45
Power Potential decreased from 30 to 25
Avoid Ks increased from 40 to 45
Avoid Ks vs R increased from 40 to 45
Sac Bunt increased from 60 to 65
Stuff Potential increased from 55 to 60
Control increased from 55 to 60
Control vs L increased from 55 to 60
Curveball Pot increased from 45 to 50
Changeup Pot increased from 60 to 65
2050-06-20
Stuff Potential decreased from 60 to 55
2050-06-13
Control vs R increased from 55 to 60
2050-06-06
Control vs R decreased from 60 to 55
2050-05-23
Power Potential increased from 25 to 30
Control vs R increased from 55 to 60
2050-05-16
Power Potential decreased from 30 to 25
Control vs R decreased from 60 to 55
2050-05-09
Power Potential increased from 25 to 30
2050-05-02
Control vs R increased from 55 to 60
2050-04-25
Control vs R decreased from 60 to 55
2050-04-11
Contact vs R increased from 35 to 45
Stuff Potential increased from 55 to 60
2050-04-04
Avoid Ks vs L increased from 35 to 40
Control vs R increased from 55 to 60
2050-02-21
Avoid Ks vs L decreased from 40 to 35
Stuff Potential decreased from 60 to 55
Control increased from 50 to 55
Control vs L increased from 50 to 55
GB% decreased from 55% to 53%
Sinker Pot decreased from 60 to 55
Curveball increased from 40 to 45
Changeup increased from 50 to 60
Weight increased from 202 to 203
2050-01-24
Power Potential decreased from 30 to 25
Movement Potential decreased from 55 to 50
Movement vs R decreased from 55 to 50
Sinker Pot increased from 55 to 60
2049-12-31
Stuff Potential increased from 55 to 60
Movement Potential increased from 50 to 55
Movement vs R increased from 50 to 55
2049-12-19
Movement Potential decreased from 55 to 50
Movement vs R decreased from 55 to 50
2049-12-07
Weight increased from 201 to 202
2049-11-27
Power Potential increased from 25 to 30
2049-11-04
Power Potential decreased from 30 to 25
Movement Potential increased from 50 to 55
Movement vs R increased from 50 to 55
2049-10-29
Power Potential increased from 25 to 30
Movement Potential decreased from 55 to 50
Movement vs R decreased from 55 to 50
2049-09-20
Movement Potential increased from 50 to 55
Movement vs R increased from 50 to 55
2049-09-13
Power Potential decreased from 30 to 25
Weight increased from 200 to 201
2049-09-06
Movement Potential decreased from 55 to 50
Movement vs R decreased from 55 to 50
2049-08-30
Weight decreased from 201 to 200
2049-08-23
Movement Potential increased from 50 to 55
Movement vs R increased from 50 to 55
2049-08-16
Movement Potential decreased from 55 to 50
Movement vs R decreased from 55 to 50
2049-08-02
Hold increased from 55 to 60
2049-07-26
Power decreased from 30 to 25
Power vs R decreased from 30 to 25
Power vs L decreased from 30 to 25
2049-07-19
Power increased from 25 to 30
Power vs R increased from 25 to 30
Power vs L increased from 25 to 30
2049-07-12
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
Movement Potential increased from 50 to 55
Movement vs R increased from 50 to 55
Movement vs L increased from 45 to 50
Control decreased from 55 to 50
GB% increased from 54% to 55%
Sinker increased from 50 to 55
Cutter Pot increased from 60 to 65
Cutter increased from 60 to 65
Curveball increased from 35 to 40
Changeup Pot increased from 55 to 60
Changeup increased from 40 to 50
2049-07-05
Stuff vs L increased from 50 to 55
2049-06-21
Control increased from 50 to 55
2049-06-14
Weight increased from 200 to 201
2049-05-31
Control decreased from 55 to 50
2049-05-17
Stuff vs L decreased from 55 to 50
2049-05-10
Movement vs L decreased from 50 to 45
Control increased from 50 to 55
2049-05-03
Movement vs L increased from 45 to 50
Control decreased from 55 to 50
2049-04-26
Control increased from 50 to 55
2049-04-19
Power Potential increased from 25 to 30
Eye vs L increased from 25 to 30
Stuff vs L increased from 50 to 55
2049-04-05
Stuff increased from 45 to 55
Stuff vs R increased from 50 to 55
Stuff vs L increased from 45 to 50
Movement Potential increased from 45 to 50
Movement increased from 40 to 50
Movement vs R increased from 40 to 50
Movement vs L increased from 40 to 45
Control vs R increased from 50 to 55
Velocity increased from 94-96 mph to 95-97 mph
Stamina increased from 60 to 65
Fastball increased from 60 to 65
Sinker increased from 45 to 50
Cutter increased from 55 to 60
Changeup Pot decreased from 60 to 55
Changeup increased from 35 to 40
Splitter Pot increased from 55 to 60
Splitter increased from 55 to 60
2049-03-22
Stuff decreased from 50 to 45
2049-03-22
Stuff increased from 45 to 50
Movement vs L increased from 35 to 40
Weight decreased from 201 to 200
2049-03-08
Stuff decreased from 50 to 45
Movement vs L decreased from 40 to 35
2049-02-22
Power Potential decreased from 30 to 25
Local Popularity decreased from Well Known to Unknown
2049-01-25
Power decreased from 30 to 25
Power vs R decreased from 30 to 25
Power vs L decreased from 30 to 25
Stuff vs L decreased from 50 to 45
Movement Potential decreased from 50 to 45
Weight increased from 200 to 201
2049-01-01
Stuff vs L increased from 45 to 50
Local Popularity increased from Unknown to Well Known
2048-07-01
Contact Potential decreased from 50 to 45
Contact increased from 35 to 40
Gap increased from 35 to 40
Gap vs R increased from 35 to 40
Eye increased from 25 to 30
Eye vs R 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 50 to 55
Stuff increased from 40 to 50
Stuff vs R increased from 40 to 50
Stuff vs L increased from 40 to 45
Movement Potential increased from 45 to 50
Movement increased from 30 to 40
Movement vs R increased from 30 to 40
Movement vs L increased from 30 to 40
Control increased from 40 to 50
Control vs R increased from 40 to 50
Control vs L increased from 40 to 50
Velocity increased from 93-95 mph to 94-96 mph
Fastball Pot increased from 60 to 65
Fastball increased from 50 to 60
Sinker Pot increased from 50 to 55
Sinker increased from 40 to 45
Cutter Pot increased from 55 to 60
Cutter increased from 45 to 55
Curveball increased from 30 to 35
Changeup increased from 30 to 35
Splitter increased from 45 to 55
Weight decreased from 202 to 200
2048-01-01
Weight decreased from 204 to 202
2047-07-01
Contact decreased from 40 to 35
Contact vs R decreased from 40 to 35
Contact vs L increased from 30 to 40
Gap Potential increased from 35 to 40
Gap increased from 30 to 35
Gap vs R increased from 30 to 35
Gap vs L increased from 30 to 35
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 35 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
Stuff increased from 35 to 40
Stuff vs R increased from 35 to 40
Stuff vs L increased from 35 to 40
Movement increased from 25 to 30
Movement vs R increased from 25 to 30
Movement vs L increased from 25 to 30
Control increased from 30 to 40
Control vs R increased from 30 to 40
Control vs L increased from 30 to 40
Fastball increased from 45 to 50
Sinker Pot decreased from 55 to 50
Cutter increased from 40 to 45
Changeup increased from 25 to 30
Weight decreased from 207 to 204
2047-01-01
Power decreased from 30 to 25
Power vs R decreased from 30 to 25
Power vs L decreased from 30 to 25
Avoid Ks Potential decreased from 50 to 45
Avoid Ks decreased from 30 to 25
Avoid Ks vs R decreased from 30 to 25
Control decreased from 35 to 30
Control vs R decreased from 35 to 30
Weight decreased from 210 to 207
2046-07-01
Contact Potential decreased from 60 to 50
Contact increased from 35 to 40
Gap Potential decreased from 40 to 35
Power Potential decreased from 35 to 30
Eye Potential decreased from 40 to 35
Avoid Ks Potential decreased from 55 to 50
Avoid Ks vs L decreased from 30 to 25
Bunt for Hit increased from 20 to 25
Stuff Potential decreased from 55 to 50
Stuff vs L increased from 30 to 35
Movement Potential decreased from 50 to 45
Control Potential decreased from 70 to 65
Control increased from 30 to 35
Control vs R increased from 30 to 35
Fastball Pot decreased from 65 to 60
Cutter Pot decreased from 60 to 55
Changeup Pot decreased from 65 to 60
Splitter Pot decreased from 60 to 55
Splitter increased from 40 to 45
Weight increased from 208 to 210
2046-01-01
Contact vs R increased from 35 to 40
Gap vs L 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
Bunt for Hit decreased from 25 to 20
Catcher Ability decreased from 30 to 25
Stuff Potential decreased from 60 to 55
Stuff increased from 30 to 35
Stuff vs R increased from 30 to 35
Movement increased from 20 to 25
Movement vs R increased from 20 to 25
Movement vs L increased from 20 to 25
Control Potential decreased from 75 to 70
Velocity increased from 92-94 mph to 93-95 mph
GB% decreased from 55% to 54%
Fastball increased from 40 to 45
Cutter increased from 35 to 40
Curveball Pot decreased from 50 to 45
Curveball increased from 25 to 30
Changeup Pot decreased from 70 to 65
Weight decreased from 210 to 208
Local Popularity decreased from Insignificant to Unknown
2045-07-01
Contact vs L decreased from 35 to 30
Gap vs L 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
Sinker increased from 35 to 40
Weight increased from 209 to 210
Height increased from 204 to 205
Local Popularity increased from Unknown to Insignificant
2045-01-01
Contact Potential increased from 50 to 60
Contact increased from 25 to 35
Contact vs R increased from 25 to 35
Contact vs L increased from 25 to 35
Gap Potential increased from 35 to 40
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 30 to 35
Power increased from 25 to 30
Power vs R increased from 25 to 30
Power vs L increased from 25 to 30
Eye Potential increased from 25 to 40
Eye increased from 20 to 25
Eye vs R increased from 20 to 25
Eye vs L increased from 20 to 25
Avoid Ks Potential increased from 40 to 55
Avoid Ks increased from 20 to 30
Avoid Ks vs R increased from 20 to 30
Avoid Ks vs L increased from 20 to 30
Sac Bunt decreased from 70 to 60
Bunt for Hit increased from 20 to 25
Infield Range decreased from 30 to 25
Infield Error increased from 25 to 30
Infield Arm increased from 40 to 45
Outfield Range decreased from 40 to 35
Outfield Error increased from 25 to 30
Catcher Ability increased from 20 to 30
P defense increased from 40 to 45
Movement decreased from 25 to 20
Movement vs R decreased from 25 to 20
Movement vs L decreased from 25 to 20
Control Potential increased from 65 to 75
Control increased from 25 to 30
Control vs R increased from 25 to 30
Control vs L increased from 25 to 30
GB% decreased from 56% to 55%
Stamina increased from 55 to 60
Fastball Pot increased from 55 to 65
Curveball decreased from 30 to 25
Changeup Pot decreased from 75 to 70
Splitter Pot increased from 55 to 60
Splitter increased from 35 to 40
2044-07-01
Power Potential increased from 25 to 30
Control Potential decreased from 70 to 65
Weight decreased from 210 to 209
2044-01-01
Weight increased from 209 to 210
2043-07-01
Weight increased from 208 to 209
Height increased from 203 to 204