William Brennan vs. Darold Knowles — Career Comparison

William Brennan
Baby BoomersFloridaThrows RightBats RightNorth AmericaChicago CubsNational LeagueStarting Pitcher
Darold Knowles
Silent GenerationMissouriThrows LeftBats LeftNorth AmericaWashington SenatorsAmerican LeagueRelief PitcherAll-Star

William Brennan built a career as a starting pitcher and Darold Knowles as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Darold Knowles posted stronger surface numbers — ERA 3.12 and WHIP 1.439 compared to 5.18 and 1.849 for William Brennan. By the career numbers, Darold Knowles had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for William Brennan and Darold Knowles

William Brennan
Career
Per 9 Innings
2
2
Darold Knowles
Careerverified
Per 9 Inningsverified
16
16
William Brennan
Career
Per 9 Innings
12
4.44
Darold Knowles
Careerverified
Per 9 Inningsverified
765
6.3
William Brennan
Career
Per 9 Inningsverified
3
1.11
Darold Knowles
Careerverified
Per 9 Innings
8
0.07
William Brennan
Career
Per 9 Inningsverified
2
0.74
Darold Knowles
Careerverified
Per 9 Innings
66
0.54
William Brennan
Careerverified
Per 9 Innings
2
0.74
Darold Knowles
Career
Per 9 Inningsverified
74
0.61
William Brennan
Careerverified
Per 9 Inningsverified
50
50
Darold Knowles
Career
Per 9 Innings
47.14
47.14
William Brennan
Careerverified
Per 9 Inningsverified
25
25
Darold Knowles
Career
Per 9 Innings
1.05
1.05
William Brennan
Career
Per 9 Innings
0
0
Darold Knowles
Careerverified
Per 9 Inningsverified
1
0.01
William Brennan
Career
Per 9 Innings
0
0
Darold Knowles
Careerverified
Per 9 Inningsverified
1
0.01
William Brennan
Career
Per 9 Innings
0
0
Darold Knowles
Careerverified
Per 9 Inningsverified
143
1.18
William Brennan
Careerverified
Per 9 Innings
14
5.18
Darold Knowles
Career
Per 9 Inningsverified
378
3.12
William Brennan
Career
Per 9 Innings
5.18
5.18
Darold Knowles
Careerverified
Per 9 Inningsverified
3.12
3.12
William Brennan
Career
Per 9 Innings
6.09
6.09
Darold Knowles
Careerverified
Per 9 Inningsverified
3.55
3.55
William Brennan
Career
Per 9 Innings
4.44
4.44
Darold Knowles
Careerverified
Per 9 Inningsverified
3.95
3.95
William Brennan
Career
Per 9 Innings
0.312
0.312
Darold Knowles
Careerverified
Per 9 Inningsverified
0.249
0.249
William Brennan
Career
Per 9 Innings
73
27
Darold Knowles
Careerverified
Per 9 Innings
3276
27
William Brennan
Career
Per 9 Innings
24.1
9
Darold Knowles
Careerverified
Per 9 Innings
1092
9
William Brennan
Careerverified
Per 9 Innings
29
10.73
Darold Knowles
Career
Per 9 Inningsverified
1006
8.29
William Brennan
Career
Per 9 Innings
10.73
10.73
Darold Knowles
Careerverified
Per 9 Inningsverified
8.29
8.29
William Brennan
Careerverified
Per 9 Innings
2
0.74
Darold Knowles
Career
Per 9 Inningsverified
65
0.54
William Brennan
Career
Per 9 Innings
0.74
0.74
Darold Knowles
Careerverified
Per 9 Inningsverified
0.54
0.54
William Brennan
Career
Per 9 Innings
0.17
0.17
Darold Knowles
Careerverified
Per 9 Inningsverified
0.09
0.09
William Brennan
Careerverified
Per 9 Innings
14
5.18
Darold Knowles
Career
Per 9 Inningsverified
480
3.96
William Brennan
Careerverified
Per 9 Innings
2
0.74
Darold Knowles
Career
Per 9 Inningsverified
85
0.7
William Brennan
Career
Per 9 Innings
5.18
5.18
Darold Knowles
Careerverified
Per 9 Inningsverified
3.96
3.96
William Brennan
Career
Per 9 Inningsverified
18
6.66
Darold Knowles
Careerverified
Per 9 Innings
681
5.61
William Brennan
Careerverified
Per 9 Inningsverified
6.66
6.66
Darold Knowles
Career
Per 9 Innings
5.61
5.61
William Brennan
Careerverified
Per 9 Inningsverified
1.5
1.5
Darold Knowles
Career
Per 9 Innings
0.89
0.89
William Brennan
Careerverified
Per 9 Inningsverified
1.315
1.315
Darold Knowles
Career
Per 9 Innings
1.063
1.063
William Brennan
Careerverified
Per 9 Innings
2
0.74
Darold Knowles
Career
Per 9 Inningsverified
30
0.25
William Brennan
Careerverified
Per 9 Innings
1
0.37
Darold Knowles
Career
Per 9 Inningsverified
38
0.31
William Brennan
Careerverified
Per 9 Innings
1
0.37
Darold Knowles
Career
Per 9 Inningsverified
11
0.09
William Brennan
Career
Per 9 Inningsverified
109
40.32
Darold Knowles
Careerverified
Per 9 Innings
4658
38.39
William Brennan
Career
Per 9 Innings
2
0.74
Darold Knowles
Careerverified
Per 9 Inningsverified
417
3.44
William Brennan
Careerverified
Per 9 Innings
15
5.55
Darold Knowles
Career
Per 9 Inningsverified
437
3.6
William Brennan
Career
Per 9 Innings
5.55
5.55
Darold Knowles
Careerverified
Per 9 Inningsverified
3.6
3.6
William Brennan
Careerverified
Per 9 Inningsverified
0
0
Darold Knowles
Career
Per 9 Innings
53
0.44
William Brennan
Careerverified
Per 9 Innings
1
0.37
Darold Knowles
Career
Per 9 Inningsverified
39
0.32
William Brennan
Career
Per 9 Inningsverified
3
1.11
Darold Knowles
Careerverified
Per 9 Innings
42
0.35
William Brennan
Career
Per 9 Innings
1.767
1.767
Darold Knowles
Careerverified
Per 9 Inningsverified
1.361
1.361
William Brennan
Career
Per 9 Inningsverified
93
34.4
Darold Knowles
Careerverified
Per 9 Innings
4048
33.36
William Brennan
Career
Per 9 Innings
1.25
1.25
Darold Knowles
Careerverified
Per 9 Inningsverified
0.57
0.57
William Brennan
Career
Per 9 Innings
0.37
0.37
Darold Knowles
Careerverified
Per 9 Inningsverified
0.285
0.285
William Brennan
Careerverified
Per 9 Inningsverified
40.32
40.32
Darold Knowles
Career
Per 9 Innings
38.39
38.39

Fielding Stats for William Brennan and Darold Knowles

William Brennan
Career
Per 9 Innings
2
2
Darold Knowles
Careerverified
Per 9 Inningsverified
16
16
William Brennan
Career
Per 9 Innings
12
4.44
Darold Knowles
Careerverified
Per 9 Inningsverified
765
6.3
William Brennan
Career
Per 9 Inningsverified
3
1.11
Darold Knowles
Careerverified
Per 9 Innings
8
0.07
William Brennan
Career
Per 9 Innings
73
27
Darold Knowles
Careerverified
Per 9 Innings
3276
27
William Brennan
Career
Per 9 Innings
24.1
9
Darold Knowles
Careerverified
Per 9 Innings
1092
9
William Brennan
Career
Per 9 Inningsverified
4
1.48
Darold Knowles
Careerverified
Per 9 Innings
51
0.42
William Brennan
Career
Per 9 Innings
4
1.48
Darold Knowles
Careerverified
Per 9 Inningsverified
276
2.27
William Brennan
Careerverified
Per 9 Inningsverified
0
0
Darold Knowles
Career
Per 9 Innings
29
0.24
William Brennan
Career
Per 9 Inningsverified
8
2.96
Darold Knowles
Careerverified
Per 9 Innings
356
2.93
William Brennan
Career
Per 9 Inningsverified
8
2.96
Darold Knowles
Careerverified
Per 9 Innings
327
2.7
William Brennan
Careerverified
Per 9 Inningsverified
100
100
Darold Knowles
Career
Per 9 Innings
91.85
91.85
William Brennan
Careerverified
Per 9 Inningsverified
0.667
0.667
Darold Knowles
Career
Per 9 Innings
0.428
0.428
William Brennan
Careerverified
Per 9 Inningsverified
25
25
Darold Knowles
Career
Per 9 Innings
1.05
1.05
William Brennan
Career
Per 9 Innings
0
0
Darold Knowles
Careerverified
Per 9 Inningsverified
16
0.13
William Brennan
Career
Per 9 Innings
0
0
Darold Knowles
Career
Per 9 Innings
0
0
William Brennan
Career
Per 9 Innings
0
0
Darold Knowles
Career
Per 9 Innings
0
0
William Brennan
Career
Per 9 Innings
0
0
Darold Knowles
Career
Per 9 Innings
0
0
William Brennan
Career
Per 9 Innings
0
0
Darold Knowles
Career
Per 9 Innings
0
0

Hitting Stats for William Brennan and Darold Knowles

William Brennan
Career
Per 600 PA
2
2
Darold Knowles
Careerverified
Per 600 PAverified
16
16
William Brennan
Career
Per 600 PA
12
1440
Darold Knowles
Careerverified
Per 600 PAverified
766
3147.95
William Brennan
Career
Per 600 PA
5
600
Darold Knowles
Careerverified
Per 600 PA
146
600
William Brennan
Career
Per 600 PA
3
360
Darold Knowles
Careerverified
Per 600 PAverified
125
513.7
William Brennan
Career
Per 600 PA
0
0
Darold Knowles
Careerverified
Per 600 PAverified
0.12
0.12
William Brennan
Careerverified
Per 600 PAverified
0.5
0.5
Darold Knowles
Career
Per 600 PA
0.397
0.397
William Brennan
Career
Per 600 PA
0
0
Darold Knowles
Careerverified
Per 600 PAverified
15
61.64
William Brennan
Career
Per 600 PA
0
0
Darold Knowles
Careerverified
Per 600 PAverified
14
57.53
William Brennan
Career
Per 600 PA
0
0
Darold Knowles
Career
Per 600 PA
0
0
William Brennan
Career
Per 600 PA
0
0
Darold Knowles
Careerverified
Per 600 PAverified
1
4.11
William Brennan
Career
Per 600 PA
0
0
Darold Knowles
Career
Per 600 PA
0
0
William Brennan
Career
Per 600 PA
0
0
Darold Knowles
Careerverified
Per 600 PAverified
1
4.11
William Brennan
Career
Per 600 PA
Darold Knowles
Careerverified
Per 600 PAverified
0.067
0.067
William Brennan
Career
Per 600 PA
0
0
Darold Knowles
Career
Per 600 PA
0
0
William Brennan
Career
Per 600 PA
Darold Knowles
Career
Per 600 PA
0
0
William Brennan
Career
Per 600 PA
0.04
4.24
Darold Knowles
Careerverified
Per 600 PAverified
3.22
13.22
William Brennan
Career
Per 600 PA
0
0
Darold Knowles
Careerverified
Per 600 PAverified
17
69.86
William Brennan
Career
Per 600 PAverified
1
120
Darold Knowles
Careerverified
Per 600 PA
25
102.74
William Brennan
Careerverified
Per 600 PAverified
0.25
0.25
Darold Knowles
Career
Per 600 PA
0.184
0.184
William Brennan
Career
Per 600 PA
0
0
Darold Knowles
Careerverified
Per 600 PAverified
0.136
0.136
William Brennan
Career
Per 600 PA
0.25
0.25
Darold Knowles
Careerverified
Per 600 PAverified
0.32
0.32
William Brennan
Career
Per 600 PA
0
0
Darold Knowles
Careerverified
Per 600 PAverified
0.016
0.016
William Brennan
Career
Per 600 PA
0.113
0.113
Darold Knowles
Careerverified
Per 600 PAverified
0.117
0.117
William Brennan
Careerverified
Per 600 PAverified
0.333
0.333
Darold Knowles
Career
Per 600 PA
0.243
0.243
William Brennan
Career
Per 600 PA
0
0
Darold Knowles
Careerverified
Per 600 PAverified
0.181
0.181
William Brennan
Career
Per 600 PA
0
0
Darold Knowles
Careerverified
Per 600 PAverified
2
8.22
William Brennan
Career
Per 600 PA
0
0
Darold Knowles
Careerverified
Per 600 PAverified
11
45.21
William Brennan
Career
Per 600 PA
0
0
Darold Knowles
Careerverified
Per 600 PAverified
13
53.42
William Brennan
Career
Per 600 PA
0.04
4.34
Darold Knowles
Careerverified
Per 600 PAverified
1.13
4.62
William Brennan
Career
Per 600 PA
0
0
Darold Knowles
Careerverified
Per 600 PAverified
1
4.11
William Brennan
Career
Per 600 PAverified
1
120
Darold Knowles
Careerverified
Per 600 PA
9
36.99
William Brennan
Career
Per 600 PA
0
0
Darold Knowles
Career
Per 600 PA
0
0
William Brennan
Careerverified
Per 600 PA
2
240
Darold Knowles
Career
Per 600 PAverified
43
176.71
William Brennan
Career
Per 600 PA
2.5
2.5
Darold Knowles
Careerverified
Per 600 PAverified
3.4
3.4
William Brennan
Careerverified
Per 600 PAverified
0.5
0.5
Darold Knowles
Career
Per 600 PA
0.21
0.21
William Brennan
Career
Per 600 PAverified
1
120
Darold Knowles
Careerverified
Per 600 PA
10
41.1
William Brennan
Career
Per 600 PA
0
0
Darold Knowles
Careerverified
Per 600 PAverified
1
4.11
William Brennan
Careerverified
Per 600 PAverified
0
0
Darold Knowles
Career
Per 600 PA
1
4.11
William Brennan
Career
Per 600 PA
0
0
Darold Knowles
Career
Per 600 PA
0
0
William Brennan
Career
Per 600 PA
0
0
Darold Knowles
Career
Per 600 PA
0
0
William Brennan
Career
Per 600 PA
0
0
Darold Knowles
Career
Per 600 PA
0
0
William Brennan
Career
Per 600 PA
Darold Knowles
Career
Per 600 PA