Jack Aker Career Pitching Summary

  • May 7, 2025

Jack Aker played in Major League Baseball from 1964 to 1974, appearing in 495 games over 11 seasons. He recorded a total of 47 W and 45 L, an ERA of 3.28, 404 SO, a WHIP of 1.277, and a WAR of 8.6.

🧾 Basic Profile

Jack Aker
NameJack Aker
Date of BirthJuly 13, 1940
Nationality
United States
PositionPitcher
ThrowsRight
BatsRight
MLB Debut1964

Jack Aker Yearly Pitching Stats

This chart shows the season-by-season changes in ERA, SO, and IP for Jack Aker.

Change Chart

    📊 Career Summary

    Jack Aker appeared in 495 games over 11 MLB seasons from 1964 to 1974. Below are his cumulative stats and MLB all-time rankings:

    GS0 (MLB Rank: 7,909)
    GF321 (MLB Rank: 104)
    W47 (MLB Rank: 1,534)
    L45 (MLB Rank: 1,718)
    SV124 (MLB Rank: 128)
    ERA3.28 (MLB Rank: 1,920)
    IP746 (MLB Rank: 1,768)
    SO404 (MLB Rank: 1,935)
    BB274 (MLB Rank: 1,776)
    H679 (MLB Rank: 1,932)
    HR63 (MLB Rank: 1,627)
    SO94.87 (MLB Rank: 5,686)
    BB93.31 (MLB Rank: 7,362)
    H98.19 (MLB Rank: 9,459)
    HR90.76 (MLB Rank: 5,692)
    WHIP1.277 (MLB Rank: 9,679)
    WAR8.6 (MLB Rank: 1,421)

    📊 Last Season Summary (1974)

    In his final season (1974), Jack Aker recorded the following stats:

    GS0
    GF24
    W2
    L2
    SV2
    ERA3.57
    IP58
    SO25
    BB23
    H50
    HR7
    SO93.88
    BB93.57
    H97.76
    HR91.09
    WHIP1.259
    WAR0.1

    📈 Seasonal Highlights

    • Most Wins: 1966, 8 W
    • Most SO: 1966, 68 SO
    • Most IP: 1966, 113 IP
    • Best WAR: 1966, 4.6 WAR
    • Best ERA: 1966, 1.99 ERA

    🎯 Postseason Performance

    Jack Aker has no postseason appearances.

    Jack Aker Career Pitching Stats Overview

    seasonWLERAW-L%SVSOIPWARWHIPHRHBBRERERA+FIPSO9SO/BBGSGGFCGSHOHR9H9BB9BKHBPIBBWPBF
    1964
    0
    1
    8.82
    0
    0
    7
    16.1
    -0.9
    1.653
    6
    17
    10
    18
    16
    45
    9.46
    3.9
    0.7
    0
    9
    1
    0
    0
    3.3
    9.4
    5.5
    0
    6
    1
    0
    80
    1965
    4
    3
    3.16
    0.571
    3
    26
    51.1
    1.1
    1.227
    3
    45
    18
    18
    18
    112
    3.49
    4.6
    1.44
    0
    34
    14
    0
    0
    0.5
    7.9
    3.2
    0
    3
    6
    1
    210
    1966
    8
    4
    1.99
    0.667
    32
    68
    113
    4.6
    0.965
    6
    81
    28
    27
    25
    171
    2.86
    5.4
    2.43
    0
    66
    57
    0
    0
    0.5
    6.5
    2.2
    0
    3
    10
    0
    442
    1967
    3
    8
    4.3
    0.273
    12
    65
    88
    -0.3
    1.352
    9
    87
    32
    44
    42
    75
    3.58
    6.6
    2.03
    0
    57
    40
    0
    0
    0.9
    8.9
    3.3
    0
    3
    8
    1
    373
    1968
    4
    4
    4.1
    0.5
    12
    44
    74.2
    -1.4
    1.406
    6
    72
    33
    39
    34
    68
    3.82
    5.3
    1.33
    0
    54
    30
    0
    0
    0.7
    8.7
    4
    0
    6
    6
    4
    330
    1969
    8
    6
    3.17
    0.571
    14
    47
    82.1
    1.5
    1.348
    8
    76
    35
    32
    29
    112
    4.09
    5.1
    1.34
    0
    53
    32
    0
    0
    0.9
    8.3
    3.8
    0
    5
    9
    0
    348
    1970
    4
    2
    2.06
    0.667
    16
    36
    70
    2.4
    1.1
    3
    57
    20
    19
    16
    173
    3.2
    4.6
    1.8
    0
    41
    28
    0
    0
    0.4
    7.3
    2.6
    0
    4
    5
    1
    284
    1971
    4
    4
    2.59
    0.5
    4
    24
    55.2
    0.9
    1.329
    3
    48
    26
    20
    16
    127
    3.69
    3.9
    0.92
    0
    41
    20
    0
    0
    0.5
    7.8
    4.2
    0
    0
    9
    3
    237
    1972
    6
    6
    2.96
    0.5
    17
    37
    73
    0.3
    1.315
    4
    70
    26
    33
    24
    126
    3.41
    4.6
    1.42
    0
    52
    43
    0
    0
    0.5
    8.6
    3.2
    0
    6
    5
    2
    315
    1973
    4
    5
    4.1
    0.444
    12
    25
    63.2
    0.3
    1.555
    8
    76
    23
    33
    29
    96
    4.59
    3.5
    1.09
    0
    47
    32
    0
    0
    1.1
    10.7
    3.3
    0
    2
    6
    0
    281
    1974
    2
    2
    3.57
    0.5
    2
    25
    58
    0.1
    1.259
    7
    50
    23
    29
    23
    104
    4.58
    3.9
    1.09
    0
    41
    24
    0
    0
    1.1
    7.8
    3.6
    0
    2
    3
    1
    244