Kenley Jansen vs. Carl Mays — Career Comparison

Kenley Jansen
MillenialCuraçaoThrows RightBats Switch CarribeanLos Angeles Angels of AnaheimAmerican LeagueRelief PitcherAll-Star
Carl Mays
Lost GenerationKentuckyThrows RightBats LeftNorth AmericaBoston Red SoxAmerican LeagueStarting Pitcher

Carl Mays built a career as a starting pitcher and Kenley Jansen as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Kenley Jansen posted stronger surface numbers — ERA 2.57 and WHIP 0.983 compared to 2.92 and 1.207 for Carl Mays. By the career numbers, Kenley Jansen had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Kenley Jansen and Carl Mays

Kenley Jansen
Careerverified
Per 9 Inningsverified
16
16
Carl Mays
Career
Per 9 Innings
15
15
Kenley Jansen
Careerverified
Per 9 Inningsverified
933
9.05
Carl Mays
Career
Per 9 Innings
490
1.46
Kenley Jansen
Career
Per 9 Innings
0
0
Carl Mays
Careerverified
Per 9 Inningsverified
325
0.97
Kenley Jansen
Career
Per 9 Innings
54
0.52
Carl Mays
Careerverified
Per 9 Inningsverified
207
0.62
Kenley Jansen
Careerverified
Per 9 Innings
40
0.39
Carl Mays
Career
Per 9 Inningsverified
126
0.38
Kenley Jansen
Career
Per 9 Innings
57.45
57.45
Carl Mays
Careerverified
Per 9 Inningsverified
62.16
62.16
Kenley Jansen
Career
Per 9 Innings
0
0
Carl Mays
Careerverified
Per 9 Inningsverified
66.33
66.33
Kenley Jansen
Career
Per 9 Innings
0
0
Carl Mays
Careerverified
Per 9 Inningsverified
231
0.69
Kenley Jansen
Career
Per 9 Innings
0
0
Carl Mays
Careerverified
Per 9 Inningsverified
29
0.09
Kenley Jansen
Careerverified
Per 9 Inningsverified
476
4.62
Carl Mays
Career
Per 9 Innings
31
0.09
Kenley Jansen
Careerverified
Per 9 Inningsverified
265
2.57
Carl Mays
Career
Per 9 Innings
979
2.92
Kenley Jansen
Careerverified
Per 9 Inningsverified
2.57
2.57
Carl Mays
Career
Per 9 Innings
2.92
2.92
Kenley Jansen
Careerverified
Per 9 Inningsverified
2.03
2.03
Carl Mays
Career
Per 9 Innings
2.94
2.94
Kenley Jansen
Careerverified
Per 9 Inningsverified
2.49
2.49
Carl Mays
Career
Per 9 Innings
3.56
3.56
Kenley Jansen
Careerverified
Per 9 Inningsverified
0.183
0.183
Carl Mays
Career
Per 9 Innings
0.252
0.252
Kenley Jansen
Career
Per 9 Innings
2782
27
Carl Mays
Careerverified
Per 9 Innings
9064
27
Kenley Jansen
Career
Per 9 Innings
927.1
9
Carl Mays
Careerverified
Per 9 Innings
3021.1
9
Kenley Jansen
Careerverified
Per 9 Inningsverified
610
5.92
Carl Mays
Career
Per 9 Innings
2912
8.67
Kenley Jansen
Careerverified
Per 9 Inningsverified
5.92
5.92
Carl Mays
Career
Per 9 Innings
8.67
8.67
Kenley Jansen
Career
Per 9 Innings
88
0.85
Carl Mays
Careerverified
Per 9 Inningsverified
73
0.22
Kenley Jansen
Career
Per 9 Innings
0.85
0.85
Carl Mays
Careerverified
Per 9 Inningsverified
0.22
0.22
Kenley Jansen
Careerverified
Per 9 Inningsverified
0.09
0.09
Carl Mays
Career
Per 9 Innings
0.15
0.15
Kenley Jansen
Careerverified
Per 9 Innings
282
2.74
Carl Mays
Career
Per 9 Inningsverified
734
2.19
Kenley Jansen
Career
Per 9 Innings
20
0.19
Carl Mays
Careerverified
Per 9 Inningsverified
0
0
Kenley Jansen
Career
Per 9 Innings
2.74
2.74
Carl Mays
Careerverified
Per 9 Inningsverified
2.19
2.19
Kenley Jansen
Careerverified
Per 9 Inningsverified
1278
12.4
Carl Mays
Career
Per 9 Innings
862
2.57
Kenley Jansen
Careerverified
Per 9 Inningsverified
12.4
12.4
Carl Mays
Career
Per 9 Innings
2.57
2.57
Kenley Jansen
Career
Per 9 Innings
1.37
1.37
Carl Mays
Careerverified
Per 9 Inningsverified
1.76
1.76
Kenley Jansen
Careerverified
Per 9 Inningsverified
1.682
1.682
Carl Mays
Career
Per 9 Innings
0.528
0.528
Kenley Jansen
Careerverified
Per 9 Innings
21
0.2
Carl Mays
Career
Per 9 Inningsverified
34
0.1
Kenley Jansen
Careerverified
Per 9 Innings
32
0.31
Carl Mays
Career
Per 9 Inningsverified
89
0.27
Kenley Jansen
Career
Per 9 Innings
18
0.17
Carl Mays
Careerverified
Per 9 Inningsverified
1
0
Kenley Jansen
Career
Per 9 Innings
3680
35.72
Carl Mays
Careerverified
Per 9 Inningsverified
12385
36.89
Kenley Jansen
Careerverified
Per 9 Inningsverified
700
6.79
Carl Mays
Career
Per 9 Innings
125
0.37
Kenley Jansen
Careerverified
Per 9 Inningsverified
284
2.76
Carl Mays
Career
Per 9 Innings
1211
3.61
Kenley Jansen
Careerverified
Per 9 Inningsverified
2.76
2.76
Carl Mays
Career
Per 9 Innings
3.61
3.61
Kenley Jansen
Career
Per 9 Innings
7
0.07
Carl Mays
Careerverified
Per 9 Inningsverified
0
0
Kenley Jansen
Career
Per 9 Innings
19
0.18
Carl Mays
Careerverified
Per 9 Inningsverified
0
0
Kenley Jansen
Careerverified
Per 9 Inningsverified
25
0.24
Carl Mays
Career
Per 9 Innings
0
0
Kenley Jansen
Careerverified
Per 9 Inningsverified
0.962
0.962
Carl Mays
Career
Per 9 Innings
1.207
1.207
Kenley Jansen
Career
Per 9 Innings
3340
32.42
Carl Mays
Careerverified
Per 9 Inningsverified
11562
34.44
Kenley Jansen
Careerverified
Per 9 Inningsverified
0.3
0.3
Carl Mays
Career
Per 9 Innings
2.47
2.47
Kenley Jansen
Careerverified
Per 9 Inningsverified
0.264
0.264
Carl Mays
Career
Per 9 Innings
0.267
0.267
Kenley Jansen
Career
Per 9 Innings
35.72
35.72
Carl Mays
Careerverified
Per 9 Inningsverified
36.89
36.89

Fielding Stats for Kenley Jansen and Carl Mays

Kenley Jansen
Careerverified
Per 9 Inningsverified
16
16
Carl Mays
Career
Per 9 Innings
15
Kenley Jansen
Careerverified
Per 9 Inningsverified
933
9.05
Carl Mays
Career
Per 9 Innings
490
Kenley Jansen
Career
Per 9 Innings
0
0
Carl Mays
Career
Per 9 Innings
0
Kenley Jansen
Careerverified
Per 9 Inningsverified
2782
27
Carl Mays
Career
Per 9 Innings
0
Kenley Jansen
Careerverified
Per 9 Inningsverified
927.1
9
Carl Mays
Career
Per 9 Innings
0
Kenley Jansen
Career
Per 9 Inningsverified
37
0.36
Carl Mays
Careerverified
Per 9 Innings
174
Kenley Jansen
Career
Per 9 Inningsverified
32
0.31
Carl Mays
Careerverified
Per 9 Innings
1138
Kenley Jansen
Careerverified
Per 9 Innings
6
0.06
Carl Mays
Career
Per 9 Inningsverified
44
Kenley Jansen
Career
Per 9 Inningsverified
75
0.73
Carl Mays
Careerverified
Per 9 Innings
1356
Kenley Jansen
Career
Per 9 Inningsverified
69
0.67
Carl Mays
Careerverified
Per 9 Innings
1312
Kenley Jansen
Career
Per 9 Inningsverified
92
92
Carl Mays
Careerverified
Per 9 Innings
96.76
Kenley Jansen
Career
Per 9 Inningsverified
0.074
0.074
Carl Mays
Careerverified
Per 9 Innings
2.678
Kenley Jansen
Career
Per 9 Innings
0
0
Carl Mays
Career
Per 9 Innings
0
Kenley Jansen
Career
Per 9 Inningsverified
3
0.03
Carl Mays
Careerverified
Per 9 Innings
56
Kenley Jansen
Career
Per 9 Innings
0
0
Carl Mays
Career
Per 9 Innings
0
Kenley Jansen
Career
Per 9 Innings
0
0
Carl Mays
Career
Per 9 Innings
0
Kenley Jansen
Career
Per 9 Innings
0
0
Carl Mays
Career
Per 9 Innings
0
Kenley Jansen
Career
Per 9 Innings
0
0
Carl Mays
Career
Per 9 Innings
0

Hitting Stats for Kenley Jansen and Carl Mays

Kenley Jansen
Careerverified
Per 600 PAverified
16
16
Carl Mays
Career
Per 600 PA
15
15
Kenley Jansen
Careerverified
Per 600 PAverified
935
56100
Carl Mays
Career
Per 600 PA
502
251.21
Kenley Jansen
Career
Per 600 PA
10
600
Carl Mays
Careerverified
Per 600 PA
1199
600
Kenley Jansen
Career
Per 600 PA
9
540
Carl Mays
Careerverified
Per 600 PAverified
1085
542.95
Kenley Jansen
Careerverified
Per 600 PAverified
0.333
0.333
Carl Mays
Career
Per 600 PA
0.268
0.268
Kenley Jansen
Careerverified
Per 600 PAverified
0.85
0.85
Carl Mays
Career
Per 600 PA
0.684
0.684
Kenley Jansen
Career
Per 600 PAverified
3
180
Carl Mays
Careerverified
Per 600 PA
291
145.62
Kenley Jansen
Career
Per 600 PAverified
2
120
Carl Mays
Careerverified
Per 600 PA
233
116.6
Kenley Jansen
Career
Per 600 PAverified
1
60
Carl Mays
Careerverified
Per 600 PA
32
16.01
Kenley Jansen
Career
Per 600 PA
0
0
Carl Mays
Careerverified
Per 600 PAverified
21
10.51
Kenley Jansen
Career
Per 600 PA
0
0
Carl Mays
Careerverified
Per 600 PAverified
5
2.5
Kenley Jansen
Career
Per 600 PAverified
1
60
Carl Mays
Careerverified
Per 600 PA
58
29.02
Kenley Jansen
Careerverified
Per 600 PAverified
0.333
0.333
Carl Mays
Career
Per 600 PA
0.199
0.199
Kenley Jansen
Career
Per 600 PA
0
0
Carl Mays
Careerverified
Per 600 PAverified
0.005
0.005
Kenley Jansen
Career
Per 600 PA
0
0
Carl Mays
Careerverified
Per 600 PAverified
0.017
0.017
Kenley Jansen
Career
Per 600 PAverified
1.28
76.89
Carl Mays
Careerverified
Per 600 PA
121.02
60.56
Kenley Jansen
Career
Per 600 PAverified
4
240
Carl Mays
Careerverified
Per 600 PA
380
190.16
Kenley Jansen
Career
Per 600 PAverified
4
240
Carl Mays
Careerverified
Per 600 PA
361
180.65
Kenley Jansen
Careerverified
Per 600 PAverified
0.4
0.4
Carl Mays
Career
Per 600 PA
0.313
0.313
Kenley Jansen
Careerverified
Per 600 PAverified
0.444
0.444
Carl Mays
Career
Per 600 PA
0.35
0.35
Kenley Jansen
Careerverified
Per 600 PAverified
0.844
0.844
Carl Mays
Career
Per 600 PA
0.663
0.663
Kenley Jansen
Careerverified
Per 600 PAverified
0.111
0.111
Carl Mays
Career
Per 600 PA
0.082
0.082
Kenley Jansen
Careerverified
Per 600 PAverified
0.291
0.291
Carl Mays
Career
Per 600 PA
0.228
0.228
Kenley Jansen
Careerverified
Per 600 PAverified
0.714
0.714
Carl Mays
Career
Per 600 PA
0.567
0.567
Kenley Jansen
Careerverified
Per 600 PAverified
0.5
0.5
Carl Mays
Career
Per 600 PA
0.297
0.297
Kenley Jansen
Career
Per 600 PAverified
1
60
Carl Mays
Careerverified
Per 600 PA
113
56.55
Kenley Jansen
Career
Per 600 PAverified
1
60
Carl Mays
Careerverified
Per 600 PA
110
55.05
Kenley Jansen
Career
Per 600 PAverified
2
120
Carl Mays
Careerverified
Per 600 PA
218
109.09
Kenley Jansen
Career
Per 600 PAverified
1.31
78.48
Carl Mays
Careerverified
Per 600 PA
139.67
69.89
Kenley Jansen
Career
Per 600 PA
0
0
Carl Mays
Careerverified
Per 600 PAverified
4
2
Kenley Jansen
Career
Per 600 PAverified
1
60
Carl Mays
Careerverified
Per 600 PA
66
33.03
Kenley Jansen
Career
Per 600 PA
0
0
Carl Mays
Career
Per 600 PA
0
0
Kenley Jansen
Careerverified
Per 600 PA
3
180
Carl Mays
Career
Per 600 PAverified
116
58.05
Kenley Jansen
Career
Per 600 PA
3.33
3.33
Carl Mays
Careerverified
Per 600 PAverified
10.34
10.34
Kenley Jansen
Career
Per 600 PA
0.33
0.33
Carl Mays
Careerverified
Per 600 PAverified
0.57
0.57
Kenley Jansen
Career
Per 600 PA
0
0
Carl Mays
Careerverified
Per 600 PAverified
44
22.02
Kenley Jansen
Career
Per 600 PA
0
0
Carl Mays
Career
Per 600 PA
0
0
Kenley Jansen
Career
Per 600 PA
1
60
Carl Mays
Careerverified
Per 600 PAverified
0
0
Kenley Jansen
Career
Per 600 PA
0
0
Carl Mays
Careerverified
Per 600 PAverified
1
0.5
Kenley Jansen
Career
Per 600 PA
0
0
Carl Mays
Careerverified
Per 600 PAverified
1
0.5
Kenley Jansen
Career
Per 600 PA
0
0
Carl Mays
Careerverified
Per 600 PAverified
2
1
Kenley Jansen
Career
Per 600 PA
Carl Mays
Careerverified
Per 600 PAverified
50
50