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Bill Lee League
10-3-2123
John Mazeroski Relief Pitcher
Retired (1985, Age 34)
CAREER BIOGRAPHICAL DATA
ERA 9.41 Total Rating B    Bats/Throws R/R
W-L 11-33 Status Deceased (2025) Option Years 0  
SV 4 Age at Death 74 Date of Birth 09-05-1951
K 253 Drafted Round 3, Pick 47
(1969)		 Majors Svc Time 3 years
(159 games)
IP 340.2
WHIP 2.17
OFFENSE PITCHING MENTORING
Contact vs. R F  Contact vs. L F  Endurance C-   Ldrship D 
Power vs. R D- Power vs. L D- Velocity A+   Mentor Val C 
Speed C  Bunt D  Control C-
POSITIONS DEFENSE/HEALTH POSTSEASON
 C * --- SS --- Range C- WS Rings 0
1B --- LF --- Arm B- WS Appearances 0
2B --- CF ---   Health C+ LCS Appearances 0
3B --- RF ---   Injured Days 0 All Star Teams 0
* League requires 90% rating to start at catcher.

Year   Team W L G GS CG SHO SV BS IP H R ER HBP BB SO WHIP ERA Awards
1969 DET
0
 0
6
0
0
0
0
 2
4.2
 9 6 6 0 3
3
2.57
11.57
1970 DET
1
 18
30
30
0
0
0
 0
85.2
 166 134 134 5 63
57
2.67
14.08
1971 DET
2
 8
67
0
0
0
2
 5
94.1
 162 111 109 8 62
73
2.37
10.40
1981 BRO
4
 3
54
0
0
0
0
 3
67.0
 86 49 47 6 33
50
1.78
6.31
1982 BRO
1
 0
1
0
0
0
0
 0
2.0
 3 2 2 0 1
2
2.00
9.00
1983 BRO
3
 2
64
0
0
0
2
 1
67.0
 70 44 42 4 46
56
1.73
5.64
1984 BRO
0
 2
19
0
0
0
0
 2
20.0
 24 17 16 1 11
12
1.75
7.20
2123
0
 0
0
0
0
0
0
 0
0.0
 0 0 0 0 0
0
0.00
0.00
Total
11
 33
241
30
0
0
4
 13
340.2
 520 363 356 24 219
253
2.17
9.41
Career Transactions
DateTransaction
1985-11-01John Mazeroski has retired from the Free Agency Pool
1984-05-29The Brooklyn Superbas have waived John Mazeroski.
1984-05-01The Brooklyn Superbas have promoted Fin Peerson to the major league team. The Brooklyn Superbas have promoted Irv Comorosky to the major league team. The Brooklyn Superbas have sent Erik Lassetter to the minors. The Brooklyn Superbas have designated John Mazeroski for assignment.
1983-05-12The Brooklyn Superbas have promoted John Mazeroski to the major league team. The Brooklyn Superbas have sent Wattie Berry to the minors.
1982-04-04The Brooklyn Superbas have promoted Dave Wade to the major league team. The Brooklyn Superbas have designated John Mazeroski for assignment.
1981-06-04John Mazeroski of the Brooklyn Superbas is injured and is expected to be out 20 days.
1981-04-01The Brooklyn Superbas have promoted John Mazeroski to the major league team.
1981-04-01The Brooklyn Superbas have acquired John Mazeroski from the waiver wire.
1974-04-11The Detroit Night Monkeys have waived John Mazeroski.
1971-10-12The Detroit Night Monkeys have promoted Chuck Miller to the major league team. The Detroit Night Monkeys have sent John Mazeroski to the minors.
1971-06-02John Mazeroski of the Detroit Night Monkeys is injured and is expected to be out 17 days.
1970-04-13The Detroit Night Monkeys have promoted John Mazeroski to the major league team. The Detroit Night Monkeys have sent Earl Gonder to the minors.
1970-04-04The Detroit Night Monkeys have promoted Earl Knight to the major league team. The Detroit Night Monkeys have sent John Mazeroski to the minors.
1970-04-02The Detroit Night Monkeys have promoted John Mazeroski to the major leagues.
1969-04-15The Detroit Night Monkeys have promoted Buttercup Raymer to the major league team. The Detroit Night Monkeys have sent Chuck Miller to the minors. The Detroit Night Monkeys have sent John Mazeroski to the minors.
1969-04-01The Detroit Night Monkeys have promoted John Mazeroski to the major leagues.