Ad Brennan vs. Casey Janssen — Career Comparison

Ad Brennan
Lost GenerationKansasThrows LeftBats LeftNorth AmericaPhiladelphia PhilliesNational LeagueStarting Pitcher
Casey Janssen
MillenialCaliforniaThrows RightBats RightNorth AmericaToronto Blue JaysAmerican LeagueRelief Pitcher

Ad Brennan built a career as a starting pitcher and Casey Janssen as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Ad Brennan posted stronger surface numbers — ERA 3.11 and WHIP 1.312 compared to 3.63 and 1.238 for Casey Janssen. By the career numbers, Ad Brennan had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Ad Brennan and Casey Janssen

Ad Brennan
Career
Per 9 Innings
7
7
Casey Janssen
Careerverified
Per 9 Inningsverified
9
9
Ad Brennan
Career
Per 9 Innings
129
1.71
Casey Janssen
Careerverified
Per 9 Inningsverified
437
7.38
Ad Brennan
Careerverified
Per 9 Inningsverified
77
1.02
Casey Janssen
Career
Per 9 Innings
22
0.37
Ad Brennan
Careerverified
Per 9 Innings
37
0.49
Casey Janssen
Career
Per 9 Inningsverified
31
0.52
Ad Brennan
Career
Per 9 Inningsverified
36
0.48
Casey Janssen
Careerverified
Per 9 Innings
29
0.49
Ad Brennan
Career
Per 9 Innings
50.68
50.68
Casey Janssen
Careerverified
Per 9 Inningsverified
51.67
51.67
Ad Brennan
Careerverified
Per 9 Inningsverified
59.69
59.69
Casey Janssen
Career
Per 9 Innings
5.03
5.03
Ad Brennan
Careerverified
Per 9 Inningsverified
40
0.53
Casey Janssen
Career
Per 9 Innings
0
0
Ad Brennan
Careerverified
Per 9 Inningsverified
5
0.07
Casey Janssen
Career
Per 9 Innings
0
0
Ad Brennan
Career
Per 9 Innings
3
0.04
Casey Janssen
Careerverified
Per 9 Inningsverified
90
1.52
Ad Brennan
Career
Per 9 Inningsverified
234
3.11
Casey Janssen
Careerverified
Per 9 Innings
215
3.63
Ad Brennan
Careerverified
Per 9 Inningsverified
3.11
3.11
Casey Janssen
Career
Per 9 Innings
3.63
3.63
Ad Brennan
Careerverified
Per 9 Inningsverified
3.37
3.37
Casey Janssen
Career
Per 9 Innings
3.44
3.44
Ad Brennan
Careerverified
Per 9 Inningsverified
3.53
3.53
Casey Janssen
Career
Per 9 Innings
3.65
3.65
Ad Brennan
Career
Per 9 Innings
0.257
0.257
Casey Janssen
Careerverified
Per 9 Inningsverified
0.253
0.253
Ad Brennan
Careerverified
Per 9 Innings
2031
27
Casey Janssen
Career
Per 9 Innings
1599
27
Ad Brennan
Careerverified
Per 9 Innings
677
9
Casey Janssen
Career
Per 9 Innings
533
9
Ad Brennan
Career
Per 9 Innings
694
9.23
Casey Janssen
Careerverified
Per 9 Inningsverified
518
8.75
Ad Brennan
Career
Per 9 Innings
9.23
9.23
Casey Janssen
Careerverified
Per 9 Inningsverified
8.75
8.75
Ad Brennan
Careerverified
Per 9 Inningsverified
21
0.28
Casey Janssen
Career
Per 9 Innings
52
0.88
Ad Brennan
Careerverified
Per 9 Inningsverified
0.28
0.28
Casey Janssen
Career
Per 9 Innings
0.88
0.88
Ad Brennan
Career
Per 9 Innings
0.16
0.16
Casey Janssen
Careerverified
Per 9 Inningsverified
0.12
0.12
Ad Brennan
Career
Per 9 Innings
194
2.58
Casey Janssen
Careerverified
Per 9 Inningsverified
129
2.18
Ad Brennan
Careerverified
Per 9 Inningsverified
0
0
Casey Janssen
Career
Per 9 Innings
13
0.22
Ad Brennan
Career
Per 9 Innings
2.58
2.58
Casey Janssen
Careerverified
Per 9 Inningsverified
2.18
2.18
Ad Brennan
Career
Per 9 Innings
283
3.76
Casey Janssen
Careerverified
Per 9 Inningsverified
395
6.67
Ad Brennan
Career
Per 9 Innings
3.76
3.76
Casey Janssen
Careerverified
Per 9 Inningsverified
6.67
6.67
Ad Brennan
Careerverified
Per 9 Inningsverified
2.19
2.19
Casey Janssen
Career
Per 9 Innings
0.9
0.9
Ad Brennan
Career
Per 9 Innings
0.705
0.705
Casey Janssen
Careerverified
Per 9 Inningsverified
0.983
0.983
Ad Brennan
Careerverified
Per 9 Inningsverified
9
0.12
Casey Janssen
Career
Per 9 Innings
16
0.27
Ad Brennan
Careerverified
Per 9 Inningsverified
23
0.31
Casey Janssen
Career
Per 9 Innings
25
0.42
Ad Brennan
Careerverified
Per 9 Inningsverified
2
0.03
Casey Janssen
Career
Per 9 Innings
3
0.05
Ad Brennan
Careerverified
Per 9 Inningsverified
2922
38.84
Casey Janssen
Career
Per 9 Innings
2227
37.6
Ad Brennan
Career
Per 9 Innings
38
0.51
Casey Janssen
Careerverified
Per 9 Inningsverified
199
3.36
Ad Brennan
Career
Per 9 Innings
316
4.2
Casey Janssen
Careerverified
Per 9 Inningsverified
231
3.9
Ad Brennan
Career
Per 9 Innings
4.2
4.2
Casey Janssen
Careerverified
Per 9 Inningsverified
3.9
3.9
Ad Brennan
Careerverified
Per 9 Inningsverified
0
0
Casey Janssen
Career
Per 9 Innings
11
0.19
Ad Brennan
Careerverified
Per 9 Inningsverified
0
0
Casey Janssen
Career
Per 9 Innings
13
0.22
Ad Brennan
Career
Per 9 Innings
0
0
Casey Janssen
Careerverified
Per 9 Inningsverified
40
0.68
Ad Brennan
Career
Per 9 Innings
1.312
1.312
Casey Janssen
Careerverified
Per 9 Inningsverified
1.214
1.214
Ad Brennan
Careerverified
Per 9 Inningsverified
2705
35.96
Casey Janssen
Career
Per 9 Innings
2049
34.6
Ad Brennan
Career
Per 9 Innings
2.45
2.45
Casey Janssen
Careerverified
Per 9 Inningsverified
0.53
0.53
Ad Brennan
Careerverified
Per 9 Inningsverified
0.28
0.28
Casey Janssen
Career
Per 9 Innings
0.291
0.291
Ad Brennan
Careerverified
Per 9 Inningsverified
38.84
38.84
Casey Janssen
Career
Per 9 Innings
37.6
37.6

Fielding Stats for Ad Brennan and Casey Janssen

Ad Brennan
Career
Per 9 Innings
7
7
Casey Janssen
Careerverified
Per 9 Inningsverified
9
9
Ad Brennan
Career
Per 9 Inningsverified
131
14.56
Casey Janssen
Careerverified
Per 9 Innings
437
7.38
Ad Brennan
Career
Per 9 Inningsverified
5
0.56
Casey Janssen
Careerverified
Per 9 Innings
22
0.37
Ad Brennan
Career
Per 9 Innings
243
27
Casey Janssen
Careerverified
Per 9 Innings
1599
27
Ad Brennan
Career
Per 9 Innings
81
9
Casey Janssen
Careerverified
Per 9 Innings
533
9
Ad Brennan
Career
Per 9 Inningsverified
26
2.89
Casey Janssen
Careerverified
Per 9 Innings
52
0.88
Ad Brennan
Careerverified
Per 9 Inningsverified
175
19.44
Casey Janssen
Career
Per 9 Innings
64
1.08
Ad Brennan
Career
Per 9 Innings
11
1.22
Casey Janssen
Careerverified
Per 9 Inningsverified
6
0.1
Ad Brennan
Careerverified
Per 9 Inningsverified
212
23.56
Casey Janssen
Career
Per 9 Innings
122
2.06
Ad Brennan
Careerverified
Per 9 Inningsverified
201
22.33
Casey Janssen
Career
Per 9 Innings
116
1.96
Ad Brennan
Career
Per 9 Innings
94.81
94.81
Casey Janssen
Careerverified
Per 9 Inningsverified
95.08
95.08
Ad Brennan
Careerverified
Per 9 Inningsverified
1.534
1.534
Casey Janssen
Career
Per 9 Innings
0.265
0.265
Ad Brennan
Career
Per 9 Innings
3.82
3.82
Casey Janssen
Careerverified
Per 9 Inningsverified
5.03
5.03
Ad Brennan
Careerverified
Per 9 Inningsverified
5
0.56
Casey Janssen
Career
Per 9 Innings
2
0.03
Ad Brennan
Career
Per 9 Innings
0
0
Casey Janssen
Career
Per 9 Innings
0
0
Ad Brennan
Career
Per 9 Innings
0
0
Casey Janssen
Career
Per 9 Innings
0
0
Ad Brennan
Career
Per 9 Innings
0
0
Casey Janssen
Career
Per 9 Innings
0
0
Ad Brennan
Career
Per 9 Innings
0
0
Casey Janssen
Career
Per 9 Innings
0
0

Hitting Stats for Ad Brennan and Casey Janssen

Ad Brennan
Career
Per 600 PA
7
7
Casey Janssen
Careerverified
Per 600 PAverified
9
9
Ad Brennan
Career
Per 600 PA
132
323.27
Casey Janssen
Careerverified
Per 600 PAverified
437
65550
Ad Brennan
Careerverified
Per 600 PA
245
600
Casey Janssen
Career
Per 600 PA
4
600
Ad Brennan
Careerverified
Per 600 PAverified
220
538.78
Casey Janssen
Career
Per 600 PA
3
450
Ad Brennan
Careerverified
Per 600 PAverified
0.218
0.218
Casey Janssen
Career
Per 600 PA
0
0
Ad Brennan
Careerverified
Per 600 PAverified
0.579
0.579
Casey Janssen
Career
Per 600 PA
0.25
0.25
Ad Brennan
Careerverified
Per 600 PAverified
48
117.55
Casey Janssen
Career
Per 600 PA
0
0
Ad Brennan
Careerverified
Per 600 PAverified
39
95.51
Casey Janssen
Career
Per 600 PA
0
0
Ad Brennan
Careerverified
Per 600 PAverified
6
14.69
Casey Janssen
Career
Per 600 PA
0
0
Ad Brennan
Careerverified
Per 600 PAverified
2
4.9
Casey Janssen
Career
Per 600 PA
0
0
Ad Brennan
Careerverified
Per 600 PAverified
1
2.45
Casey Janssen
Career
Per 600 PA
0
0
Ad Brennan
Careerverified
Per 600 PAverified
9
22.04
Casey Janssen
Career
Per 600 PA
0
0
Ad Brennan
Careerverified
Per 600 PAverified
0.188
0.188
Casey Janssen
Career
Per 600 PA
Ad Brennan
Careerverified
Per 600 PAverified
0.005
0.005
Casey Janssen
Career
Per 600 PA
0
0
Ad Brennan
Careerverified
Per 600 PAverified
0.021
0.021
Casey Janssen
Career
Per 600 PA
Ad Brennan
Careerverified
Per 600 PAverified
17.06
41.79
Casey Janssen
Career
Per 600 PA
0
0
Ad Brennan
Careerverified
Per 600 PAverified
61
149.39
Casey Janssen
Career
Per 600 PA
0
0
Ad Brennan
Careerverified
Per 600 PAverified
62
151.84
Casey Janssen
Career
Per 600 PA
0
0
Ad Brennan
Careerverified
Per 600 PAverified
0.265
0.265
Casey Janssen
Career
Per 600 PA
0
0
Ad Brennan
Careerverified
Per 600 PAverified
0.277
0.277
Casey Janssen
Career
Per 600 PA
0
0
Ad Brennan
Careerverified
Per 600 PAverified
0.542
0.542
Casey Janssen
Career
Per 600 PA
0
0
Ad Brennan
Careerverified
Per 600 PAverified
0.059
0.059
Casey Janssen
Career
Per 600 PA
0
0
Ad Brennan
Careerverified
Per 600 PAverified
0.189
0.189
Casey Janssen
Career
Per 600 PA
0
0
Ad Brennan
Careerverified
Per 600 PAverified
0.442
0.442
Casey Janssen
Career
Per 600 PA
0
0
Ad Brennan
Careerverified
Per 600 PAverified
0.263
0.263
Casey Janssen
Career
Per 600 PA
0
0
Ad Brennan
Careerverified
Per 600 PAverified
15
36.73
Casey Janssen
Career
Per 600 PA
0
0
Ad Brennan
Careerverified
Per 600 PAverified
12
29.39
Casey Janssen
Career
Per 600 PA
0
0
Ad Brennan
Careerverified
Per 600 PAverified
26
63.67
Casey Janssen
Career
Per 600 PA
0
0
Ad Brennan
Careerverified
Per 600 PAverified
18.87
46.22
Casey Janssen
Career
Per 600 PA
-0.29
-43.52
Ad Brennan
Careerverified
Per 600 PAverified
2
4.9
Casey Janssen
Career
Per 600 PA
0
0
Ad Brennan
Careerverified
Per 600 PAverified
12
29.39
Casey Janssen
Career
Per 600 PA
0
0
Ad Brennan
Career
Per 600 PA
0
0
Casey Janssen
Career
Per 600 PA
0
0
Ad Brennan
Career
Per 600 PAverified
40
97.96
Casey Janssen
Careerverified
Per 600 PA
2
300
Ad Brennan
Careerverified
Per 600 PAverified
6.13
6.13
Casey Janssen
Career
Per 600 PA
2
2
Ad Brennan
Careerverified
Per 600 PAverified
0.3
0.3
Casey Janssen
Career
Per 600 PA
0
0
Ad Brennan
Careerverified
Per 600 PA
11
26.94
Casey Janssen
Career
Per 600 PAverified
1
150
Ad Brennan
Career
Per 600 PA
0
0
Casey Janssen
Career
Per 600 PA
0
0
Ad Brennan
Career
Per 600 PA
0
0
Casey Janssen
Career
Per 600 PA
0
0
Ad Brennan
Careerverified
Per 600 PAverified
1
2.45
Casey Janssen
Career
Per 600 PA
0
0
Ad Brennan
Career
Per 600 PA
0
0
Casey Janssen
Career
Per 600 PA
0
0
Ad Brennan
Careerverified
Per 600 PAverified
1
2.45
Casey Janssen
Career
Per 600 PA
0
0
Ad Brennan
Careerverified
Per 600 PAverified
100
100
Casey Janssen
Career
Per 600 PA