Tom Brennan vs. Mike Marshall — Career Comparison

Tom Brennan
Baby BoomersIllinoisThrows RightBats RightNorth AmericaCleveland GuardiansAmerican LeagueStarting Pitcher
Mike Marshall
Silent GenerationMichiganThrows RightBats RightNorth AmericaMontreal ExposNational LeagueRelief PitcherCy Young AwardAll-Star

Tom Brennan built a career as a starting pitcher and Mike Marshall as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Mike Marshall posted stronger surface numbers — ERA 3.14 and WHIP 1.332 compared to 4.4 and 1.406 for Tom Brennan. By the career numbers, Mike Marshall had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Tom Brennan and Mike Marshall

Tom Brennan
Career
Per 9 Innings
5
5
Mike Marshall
Careerverified
Per 9 Inningsverified
14
14
Tom Brennan
Career
Per 9 Innings
64
2.63
Mike Marshall
Careerverified
Per 9 Inningsverified
724
4.7
Tom Brennan
Career
Per 9 Inningsverified
20
0.82
Mike Marshall
Careerverified
Per 9 Innings
24
0.16
Tom Brennan
Career
Per 9 Innings
9
0.37
Mike Marshall
Careerverified
Per 9 Inningsverified
97
0.63
Tom Brennan
Careerverified
Per 9 Inningsverified
10
0.41
Mike Marshall
Career
Per 9 Innings
112
0.73
Tom Brennan
Careerverified
Per 9 Inningsverified
47.37
47.37
Mike Marshall
Career
Per 9 Innings
46.41
46.41
Tom Brennan
Careerverified
Per 9 Inningsverified
31.25
31.25
Mike Marshall
Career
Per 9 Innings
3.31
3.31
Tom Brennan
Career
Per 9 Inningsverified
2
0.08
Mike Marshall
Careerverified
Per 9 Innings
3
0.02
Tom Brennan
Career
Per 9 Inningsverified
1
0.04
Mike Marshall
Career
Per 9 Innings
1
0.01
Tom Brennan
Career
Per 9 Innings
2
0.08
Mike Marshall
Careerverified
Per 9 Inningsverified
188
1.22
Tom Brennan
Careerverified
Per 9 Innings
107
4.4
Mike Marshall
Career
Per 9 Inningsverified
484
3.14
Tom Brennan
Career
Per 9 Innings
4.4
4.4
Mike Marshall
Careerverified
Per 9 Inningsverified
3.14
3.14
Tom Brennan
Career
Per 9 Innings
4.19
4.19
Mike Marshall
Careerverified
Per 9 Inningsverified
3.29
3.29
Tom Brennan
Career
Per 9 Innings
3.93
3.93
Mike Marshall
Careerverified
Per 9 Inningsverified
3.65
3.65
Tom Brennan
Career
Per 9 Innings
0.294
0.294
Mike Marshall
Careerverified
Per 9 Inningsverified
0.249
0.249
Tom Brennan
Career
Per 9 Innings
657
27
Mike Marshall
Careerverified
Per 9 Innings
4160
27
Tom Brennan
Career
Per 9 Innings
219
9
Mike Marshall
Careerverified
Per 9 Innings
1386.2
9
Tom Brennan
Careerverified
Per 9 Innings
255
10.48
Mike Marshall
Career
Per 9 Inningsverified
1281
8.31
Tom Brennan
Career
Per 9 Innings
10.48
10.48
Mike Marshall
Careerverified
Per 9 Inningsverified
8.31
8.31
Tom Brennan
Careerverified
Per 9 Innings
20
0.82
Mike Marshall
Career
Per 9 Inningsverified
79
0.51
Tom Brennan
Career
Per 9 Innings
0.82
0.82
Mike Marshall
Careerverified
Per 9 Inningsverified
0.51
0.51
Tom Brennan
Career
Per 9 Innings
0.31
0.31
Mike Marshall
Careerverified
Per 9 Inningsverified
0.11
0.11
Tom Brennan
Careerverified
Per 9 Inningsverified
46
1.89
Mike Marshall
Career
Per 9 Innings
514
3.34
Tom Brennan
Careerverified
Per 9 Inningsverified
7
0.29
Mike Marshall
Career
Per 9 Innings
52
0.34
Tom Brennan
Careerverified
Per 9 Inningsverified
1.89
1.89
Mike Marshall
Career
Per 9 Innings
3.34
3.34
Tom Brennan
Career
Per 9 Innings
102
4.19
Mike Marshall
Careerverified
Per 9 Inningsverified
880
5.71
Tom Brennan
Career
Per 9 Innings
4.19
4.19
Mike Marshall
Careerverified
Per 9 Inningsverified
5.71
5.71
Tom Brennan
Careerverified
Per 9 Inningsverified
1.59
1.59
Mike Marshall
Career
Per 9 Innings
1.22
1.22
Tom Brennan
Career
Per 9 Innings
0.676
0.676
Mike Marshall
Careerverified
Per 9 Inningsverified
1.005
1.005
Tom Brennan
Careerverified
Per 9 Inningsverified
2
0.08
Mike Marshall
Career
Per 9 Innings
72
0.47
Tom Brennan
Careerverified
Per 9 Inningsverified
3
0.12
Mike Marshall
Career
Per 9 Innings
31
0.2
Tom Brennan
Careerverified
Per 9 Innings
4
0.16
Mike Marshall
Career
Per 9 Inningsverified
7
0.05
Tom Brennan
Career
Per 9 Inningsverified
939
38.59
Mike Marshall
Careerverified
Per 9 Innings
5842
37.92
Tom Brennan
Career
Per 9 Innings
19
0.78
Mike Marshall
Careerverified
Per 9 Inningsverified
549
3.56
Tom Brennan
Careerverified
Per 9 Innings
124
5.1
Mike Marshall
Career
Per 9 Inningsverified
548
3.56
Tom Brennan
Career
Per 9 Innings
5.1
5.1
Mike Marshall
Careerverified
Per 9 Inningsverified
3.56
3.56
Tom Brennan
Careerverified
Per 9 Inningsverified
10
0.41
Mike Marshall
Career
Per 9 Innings
115
0.75
Tom Brennan
Careerverified
Per 9 Innings
13
0.53
Mike Marshall
Career
Per 9 Inningsverified
37
0.24
Tom Brennan
Career
Per 9 Inningsverified
15
0.62
Mike Marshall
Careerverified
Per 9 Innings
90
0.58
Tom Brennan
Career
Per 9 Innings
1.374
1.374
Mike Marshall
Careerverified
Per 9 Inningsverified
1.295
1.295
Tom Brennan
Career
Per 9 Inningsverified
867
35.63
Mike Marshall
Careerverified
Per 9 Innings
5145
33.39
Tom Brennan
Career
Per 9 Innings
1.94
1.94
Mike Marshall
Careerverified
Per 9 Inningsverified
0.76
0.76
Tom Brennan
Career
Per 9 Innings
0.315
0.315
Mike Marshall
Careerverified
Per 9 Inningsverified
0.287
0.287
Tom Brennan
Careerverified
Per 9 Inningsverified
38.59
38.59
Mike Marshall
Career
Per 9 Innings
37.92
37.92

Fielding Stats for Tom Brennan and Mike Marshall

Tom Brennan
Career
Per 9 Innings
5
5
Mike Marshall
Careerverified
Per 9 Inningsverified
14
14
Tom Brennan
Career
Per 9 Innings
64
2.63
Mike Marshall
Careerverified
Per 9 Inningsverified
724
4.7
Tom Brennan
Career
Per 9 Inningsverified
20
0.82
Mike Marshall
Careerverified
Per 9 Innings
24
0.16
Tom Brennan
Career
Per 9 Innings
657
27
Mike Marshall
Careerverified
Per 9 Innings
4159
27
Tom Brennan
Career
Per 9 Innings
219
9
Mike Marshall
Careerverified
Per 9 Innings
1386.1
9
Tom Brennan
Career
Per 9 Inningsverified
21
0.86
Mike Marshall
Careerverified
Per 9 Innings
105
0.68
Tom Brennan
Career
Per 9 Innings
43
1.77
Mike Marshall
Careerverified
Per 9 Inningsverified
283
1.84
Tom Brennan
Careerverified
Per 9 Inningsverified
2
0.08
Mike Marshall
Career
Per 9 Innings
15
0.1
Tom Brennan
Career
Per 9 Inningsverified
66
2.71
Mike Marshall
Careerverified
Per 9 Innings
403
2.62
Tom Brennan
Career
Per 9 Inningsverified
64
2.63
Mike Marshall
Careerverified
Per 9 Innings
388
2.52
Tom Brennan
Careerverified
Per 9 Inningsverified
96.97
96.97
Mike Marshall
Career
Per 9 Innings
96.28
96.28
Tom Brennan
Careerverified
Per 9 Inningsverified
1
1
Mike Marshall
Career
Per 9 Innings
0.536
0.536
Tom Brennan
Careerverified
Per 9 Inningsverified
31.25
31.25
Mike Marshall
Career
Per 9 Innings
3.31
3.31
Tom Brennan
Career
Per 9 Inningsverified
5
0.21
Mike Marshall
Careerverified
Per 9 Innings
25
0.16
Tom Brennan
Career
Per 9 Innings
0
0
Mike Marshall
Career
Per 9 Innings
0
0
Tom Brennan
Career
Per 9 Innings
0
0
Mike Marshall
Career
Per 9 Innings
0
0
Tom Brennan
Career
Per 9 Innings
0
0
Mike Marshall
Career
Per 9 Innings
0
0
Tom Brennan
Career
Per 9 Innings
0
0
Mike Marshall
Career
Per 9 Innings
0
0

Hitting Stats for Tom Brennan and Mike Marshall

Tom Brennan
Career
Per 600 PA
5
5
Mike Marshall
Careerverified
Per 600 PAverified
14
14
Tom Brennan
Career
Per 600 PAverified
64
4266.67
Mike Marshall
Careerverified
Per 600 PA
725
2004.61
Tom Brennan
Career
Per 600 PA
9
600
Mike Marshall
Careerverified
Per 600 PA
217
600
Tom Brennan
Career
Per 600 PAverified
8
533.33
Mike Marshall
Careerverified
Per 600 PA
179
494.93
Tom Brennan
Career
Per 600 PA
0.125
0.125
Mike Marshall
Careerverified
Per 600 PAverified
0.196
0.196
Tom Brennan
Career
Per 600 PA
0.333
0.333
Mike Marshall
Careerverified
Per 600 PAverified
0.558
0.558
Tom Brennan
Career
Per 600 PA
1
66.67
Mike Marshall
Careerverified
Per 600 PAverified
35
96.77
Tom Brennan
Career
Per 600 PA
1
66.67
Mike Marshall
Careerverified
Per 600 PAverified
33
91.24
Tom Brennan
Career
Per 600 PA
0
0
Mike Marshall
Careerverified
Per 600 PAverified
1
2.76
Tom Brennan
Career
Per 600 PA
0
0
Mike Marshall
Career
Per 600 PA
0
0
Tom Brennan
Career
Per 600 PA
0
0
Mike Marshall
Careerverified
Per 600 PAverified
1
2.76
Tom Brennan
Career
Per 600 PA
0
0
Mike Marshall
Careerverified
Per 600 PAverified
2
5.53
Tom Brennan
Career
Per 600 PA
0
0
Mike Marshall
Careerverified
Per 600 PAverified
0.057
0.057
Tom Brennan
Career
Per 600 PA
0
0
Mike Marshall
Careerverified
Per 600 PAverified
0.006
0.006
Tom Brennan
Career
Per 600 PA
0
0
Mike Marshall
Careerverified
Per 600 PAverified
0.029
0.029
Tom Brennan
Career
Per 600 PA
0.11
7.45
Mike Marshall
Careerverified
Per 600 PAverified
10.74
29.7
Tom Brennan
Career
Per 600 PA
1
66.67
Mike Marshall
Careerverified
Per 600 PAverified
39
107.83
Tom Brennan
Career
Per 600 PA
1
66.67
Mike Marshall
Careerverified
Per 600 PAverified
53
146.54
Tom Brennan
Career
Per 600 PA
0.125
0.125
Mike Marshall
Careerverified
Per 600 PAverified
0.266
0.266
Tom Brennan
Career
Per 600 PA
0.125
0.125
Mike Marshall
Careerverified
Per 600 PAverified
0.218
0.218
Tom Brennan
Career
Per 600 PA
0.25
0.25
Mike Marshall
Careerverified
Per 600 PAverified
0.484
0.484
Tom Brennan
Career
Per 600 PA
0
0
Mike Marshall
Careerverified
Per 600 PAverified
0.022
0.022
Tom Brennan
Career
Per 600 PA
0.088
0.088
Mike Marshall
Careerverified
Per 600 PAverified
0.174
0.174
Tom Brennan
Career
Per 600 PA
0.143
0.143
Mike Marshall
Careerverified
Per 600 PAverified
0.39
0.39
Tom Brennan
Career
Per 600 PA
0.143
0.143
Mike Marshall
Careerverified
Per 600 PAverified
0.231
0.231
Tom Brennan
Career
Per 600 PA
0
0
Mike Marshall
Careerverified
Per 600 PAverified
11
30.41
Tom Brennan
Career
Per 600 PA
0
0
Mike Marshall
Careerverified
Per 600 PAverified
16
44.24
Tom Brennan
Career
Per 600 PA
0
0
Mike Marshall
Careerverified
Per 600 PAverified
26
71.89
Tom Brennan
Career
Per 600 PA
-0.09
-6.12
Mike Marshall
Careerverified
Per 600 PAverified
12.99
35.91
Tom Brennan
Career
Per 600 PA
0
0
Mike Marshall
Careerverified
Per 600 PAverified
1
2.76
Tom Brennan
Career
Per 600 PA
0
0
Mike Marshall
Careerverified
Per 600 PAverified
17
47
Tom Brennan
Career
Per 600 PA
0
0
Mike Marshall
Career
Per 600 PA
0
0
Tom Brennan
Careerverified
Per 600 PAverified
1
66.67
Mike Marshall
Career
Per 600 PA
33
91.24
Tom Brennan
Careerverified
Per 600 PAverified
9
9
Mike Marshall
Career
Per 600 PA
6.58
6.58
Tom Brennan
Career
Per 600 PA
0
0
Mike Marshall
Careerverified
Per 600 PAverified
0.52
0.52
Tom Brennan
Career
Per 600 PAverified
1
66.67
Mike Marshall
Careerverified
Per 600 PA
18
49.77
Tom Brennan
Career
Per 600 PA
0
0
Mike Marshall
Careerverified
Per 600 PAverified
2
5.53
Tom Brennan
Careerverified
Per 600 PAverified
0
0
Mike Marshall
Career
Per 600 PA
2
5.53
Tom Brennan
Career
Per 600 PA
0
0
Mike Marshall
Career
Per 600 PA
0
0
Tom Brennan
Career
Per 600 PA
0
0
Mike Marshall
Career
Per 600 PA
0
0
Tom Brennan
Career
Per 600 PA
0
0
Mike Marshall
Career
Per 600 PA
0
0
Tom Brennan
Career
Per 600 PA
Mike Marshall
Career
Per 600 PA