Jack Aker vs. Mark Clark — Career Comparison

Jack Aker
Silent GenerationCaliforniaThrows RightBats RightNorth AmericaKansas City AthleticsAmerican LeagueRelief Pitcher
Mark Clark
Gen XCubaThrows RightBats RightCaribbeanCleveland GuardiansAmerican LeagueStarting Pitcher

Mark Clark built a career as a starting pitcher and Jack Aker as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Mark Clark led in walk avoidance (BB%+ 126 vs 100), home run suppression (HR9+ 91 vs 76), and run prevention (ERA+ 101 vs 89). Jack Aker held the edge in strikeout rate (K%+ 86 vs 77). Role difference aside, Mark Clark holds a clear edge on every meaningful shared measure.

Pitching Stats for Jack Aker and Mark Clark

Jack Aker
Careerverified
Per 9 Inningsverified
11
11
Mark Clark
Career
Per 9 Innings
10
10
Jack Aker
Careerverified
Per 9 Inningsverified
495
5.97
Mark Clark
Career
Per 9 Innings
219
1.58
Jack Aker
Career
Per 9 Innings
0
0
Mark Clark
Careerverified
Per 9 Inningsverified
197
1.42
Jack Aker
Career
Per 9 Inningsverified
47
0.57
Mark Clark
Careerverified
Per 9 Innings
74
0.53
Jack Aker
Careerverified
Per 9 Innings
45
0.54
Mark Clark
Career
Per 9 Inningsverified
71
0.51
Jack Aker
Careerverified
Per 9 Inningsverified
51.09
51.09
Mark Clark
Career
Per 9 Innings
51.03
51.03
Jack Aker
Career
Per 9 Innings
0
0
Mark Clark
Careerverified
Per 9 Inningsverified
89.95
89.95
Jack Aker
Career
Per 9 Innings
0
0
Mark Clark
Careerverified
Per 9 Inningsverified
15
0.11
Jack Aker
Career
Per 9 Innings
0
0
Mark Clark
Careerverified
Per 9 Inningsverified
3
0.02
Jack Aker
Careerverified
Per 9 Inningsverified
123
1.48
Mark Clark
Career
Per 9 Innings
0
0
Jack Aker
Careerverified
Per 9 Inningsverified
272
3.28
Mark Clark
Career
Per 9 Innings
638
4.61
Jack Aker
Careerverified
Per 9 Inningsverified
3.28
3.28
Mark Clark
Career
Per 9 Innings
4.61
4.61
Jack Aker
Careerverified
Per 9 Inningsverified
3.45
3.45
Mark Clark
Career
Per 9 Innings
4.42
4.42
Jack Aker
Careerverified
Per 9 Inningsverified
4.29
4.29
Mark Clark
Career
Per 9 Innings
4.38
4.38
Jack Aker
Careerverified
Per 9 Inningsverified
0.244
0.244
Mark Clark
Career
Per 9 Innings
0.279
0.279
Jack Aker
Career
Per 9 Innings
2238
27
Mark Clark
Careerverified
Per 9 Innings
3739
27
Jack Aker
Career
Per 9 Innings
746
9
Mark Clark
Careerverified
Per 9 Innings
1246.1
9
Jack Aker
Careerverified
Per 9 Inningsverified
679
8.19
Mark Clark
Career
Per 9 Innings
1364
9.85
Jack Aker
Careerverified
Per 9 Inningsverified
8.19
8.19
Mark Clark
Career
Per 9 Innings
9.85
9.85
Jack Aker
Careerverified
Per 9 Inningsverified
64
0.77
Mark Clark
Career
Per 9 Innings
154
1.11
Jack Aker
Careerverified
Per 9 Inningsverified
0.77
0.77
Mark Clark
Career
Per 9 Innings
1.11
1.11
Jack Aker
Careerverified
Per 9 Inningsverified
0.13
0.13
Mark Clark
Career
Per 9 Innings
0.7
0.7
Jack Aker
Careerverified
Per 9 Innings
274
3.31
Mark Clark
Career
Per 9 Inningsverified
367
2.65
Jack Aker
Career
Per 9 Innings
68
0.82
Mark Clark
Careerverified
Per 9 Inningsverified
21
0.15
Jack Aker
Career
Per 9 Innings
3.31
3.31
Mark Clark
Careerverified
Per 9 Inningsverified
2.65
2.65
Jack Aker
Career
Per 9 Innings
404
4.87
Mark Clark
Careerverified
Per 9 Inningsverified
728
5.26
Jack Aker
Career
Per 9 Innings
4.87
4.87
Mark Clark
Careerverified
Per 9 Inningsverified
5.26
5.26
Jack Aker
Career
Per 9 Innings
0.82
0.82
Mark Clark
Careerverified
Per 9 Inningsverified
3.32
3.32
Jack Aker
Careerverified
Per 9 Inningsverified
0.909
0.909
Mark Clark
Career
Per 9 Innings
0.879
0.879
Jack Aker
Careerverified
Per 9 Inningsverified
13
0.16
Mark Clark
Career
Per 9 Innings
47
0.34
Jack Aker
Career
Per 9 Innings
40
0.48
Mark Clark
Careerverified
Per 9 Inningsverified
24
0.17
Jack Aker
Careerverified
Per 9 Inningsverified
0
0
Mark Clark
Career
Per 9 Innings
6
0.04
Jack Aker
Career
Per 9 Innings
3144
37.93
Mark Clark
Careerverified
Per 9 Inningsverified
5367
38.76
Jack Aker
Careerverified
Per 9 Inningsverified
321
3.87
Mark Clark
Career
Per 9 Innings
3
0.02
Jack Aker
Careerverified
Per 9 Inningsverified
312
3.76
Mark Clark
Career
Per 9 Innings
687
4.96
Jack Aker
Careerverified
Per 9 Inningsverified
3.76
3.76
Mark Clark
Career
Per 9 Innings
4.96
4.96
Jack Aker
Careerverified
Per 9 Innings
32
0.39
Mark Clark
Career
Per 9 Inningsverified
44
0.32
Jack Aker
Careerverified
Per 9 Inningsverified
12
0.14
Mark Clark
Career
Per 9 Innings
41
0.3
Jack Aker
Career
Per 9 Innings
19
0.23
Mark Clark
Careerverified
Per 9 Inningsverified
95
0.69
Jack Aker
Careerverified
Per 9 Inningsverified
1.278
1.278
Mark Clark
Career
Per 9 Innings
1.389
1.389
Jack Aker
Career
Per 9 Innings
2786
33.61
Mark Clark
Careerverified
Per 9 Inningsverified
4891
35.32
Jack Aker
Careerverified
Per 9 Inningsverified
0.63
0.63
Mark Clark
Career
Per 9 Innings
3.14
3.14
Jack Aker
Careerverified
Per 9 Inningsverified
0.265
0.265
Mark Clark
Career
Per 9 Innings
0.302
0.302
Jack Aker
Career
Per 9 Innings
37.93
37.93
Mark Clark
Careerverified
Per 9 Inningsverified
38.76
38.76

Fielding Stats for Jack Aker and Mark Clark

Jack Aker
Careerverified
Per 9 Inningsverified
11
11
Mark Clark
Career
Per 9 Innings
10
10
Jack Aker
Careerverified
Per 9 Inningsverified
495
5.97
Mark Clark
Career
Per 9 Innings
219
1.58
Jack Aker
Career
Per 9 Innings
0
0
Mark Clark
Careerverified
Per 9 Inningsverified
197
1.42
Jack Aker
Career
Per 9 Innings
2240
27
Mark Clark
Careerverified
Per 9 Innings
3739
27
Jack Aker
Career
Per 9 Innings
746.2
9
Mark Clark
Careerverified
Per 9 Innings
1246.1
9
Jack Aker
Careerverified
Per 9 Inningsverified
65
0.78
Mark Clark
Career
Per 9 Innings
57
0.41
Jack Aker
Careerverified
Per 9 Inningsverified
167
2.01
Mark Clark
Career
Per 9 Innings
153
1.1
Jack Aker
Career
Per 9 Innings
8
0.1
Mark Clark
Careerverified
Per 9 Inningsverified
6
0.04
Jack Aker
Careerverified
Per 9 Inningsverified
240
2.89
Mark Clark
Career
Per 9 Innings
216
1.56
Jack Aker
Careerverified
Per 9 Inningsverified
232
2.8
Mark Clark
Career
Per 9 Innings
210
1.52
Jack Aker
Career
Per 9 Innings
96.67
96.67
Mark Clark
Careerverified
Per 9 Inningsverified
97.22
97.22
Jack Aker
Career
Per 9 Innings
0.469
0.469
Mark Clark
Careerverified
Per 9 Inningsverified
0.959
0.959
Jack Aker
Career
Per 9 Innings
0
0
Mark Clark
Careerverified
Per 9 Inningsverified
89.95
89.95
Jack Aker
Careerverified
Per 9 Inningsverified
20
0.24
Mark Clark
Career
Per 9 Innings
12
0.09
Jack Aker
Career
Per 9 Innings
0
0
Mark Clark
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
0
0
Mark Clark
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
0
0
Mark Clark
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
0
0
Mark Clark
Career
Per 9 Innings
0
0

Hitting Stats for Jack Aker and Mark Clark

Jack Aker
Careerverified
Per 600 PAverified
11
11
Mark Clark
Career
Per 600 PA
10
10
Jack Aker
Careerverified
Per 600 PAverified
496
2861.54
Mark Clark
Career
Per 600 PA
219
469.29
Jack Aker
Career
Per 600 PA
104
600
Mark Clark
Careerverified
Per 600 PA
280
600
Jack Aker
Career
Per 600 PAverified
92
530.77
Mark Clark
Careerverified
Per 600 PA
242
518.57
Jack Aker
Careerverified
Per 600 PAverified
0.076
0.076
Mark Clark
Career
Per 600 PA
0.058
0.058
Jack Aker
Careerverified
Per 600 PAverified
0.279
0.279
Mark Clark
Career
Per 600 PA
0.271
0.271
Jack Aker
Career
Per 600 PAverified
7
40.38
Mark Clark
Careerverified
Per 600 PA
14
30
Jack Aker
Career
Per 600 PAverified
5
28.85
Mark Clark
Careerverified
Per 600 PA
10
21.43
Jack Aker
Career
Per 600 PAverified
2
11.54
Mark Clark
Careerverified
Per 600 PA
3
6.43
Jack Aker
Career
Per 600 PA
0
0
Mark Clark
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0
0
Mark Clark
Careerverified
Per 600 PAverified
1
2.14
Jack Aker
Career
Per 600 PAverified
2
11.54
Mark Clark
Careerverified
Per 600 PA
4
8.57
Jack Aker
Career
Per 600 PA
0.286
0.286
Mark Clark
Career
Per 600 PA
0.286
0.286
Jack Aker
Career
Per 600 PA
0
0
Mark Clark
Careerverified
Per 600 PAverified
0.004
0.004
Jack Aker
Career
Per 600 PA
0
0
Mark Clark
Careerverified
Per 600 PAverified
0.071
0.071
Jack Aker
Career
Per 600 PA
0.81
4.66
Mark Clark
Careerverified
Per 600 PAverified
2.46
5.27
Jack Aker
Career
Per 600 PAverified
9
51.92
Mark Clark
Careerverified
Per 600 PA
20
42.86
Jack Aker
Career
Per 600 PAverified
9
51.92
Mark Clark
Careerverified
Per 600 PA
22
47.14
Jack Aker
Careerverified
Per 600 PAverified
0.096
0.096
Mark Clark
Career
Per 600 PA
0.088
0.088
Jack Aker
Careerverified
Per 600 PAverified
0.098
0.098
Mark Clark
Career
Per 600 PA
0.083
0.083
Jack Aker
Careerverified
Per 600 PAverified
0.194
0.194
Mark Clark
Career
Per 600 PA
0.17
0.17
Jack Aker
Career
Per 600 PA
0.022
0.022
Mark Clark
Careerverified
Per 600 PAverified
0.025
0.025
Jack Aker
Careerverified
Per 600 PAverified
0.068
0.068
Mark Clark
Career
Per 600 PA
0.06
0.06
Jack Aker
Careerverified
Per 600 PAverified
0.128
0.128
Mark Clark
Career
Per 600 PA
0.122
0.122
Jack Aker
Careerverified
Per 600 PAverified
0.171
0.171
Mark Clark
Career
Per 600 PA
0.096
0.096
Jack Aker
Career
Per 600 PAverified
3
17.31
Mark Clark
Careerverified
Per 600 PA
7
15
Jack Aker
Career
Per 600 PAverified
4
23.08
Mark Clark
Careerverified
Per 600 PA
9
19.29
Jack Aker
Career
Per 600 PAverified
7
40.38
Mark Clark
Careerverified
Per 600 PA
15
32.14
Jack Aker
Careerverified
Per 600 PAverified
-4.13
-23.83
Mark Clark
Career
Per 600 PA
-11.96
-25.63
Jack Aker
Careerverified
Per 600 PAverified
1
5.77
Mark Clark
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
1
5.77
Mark Clark
Careerverified
Per 600 PAverified
8
17.14
Jack Aker
Career
Per 600 PA
0
0
Mark Clark
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PA
51
294.23
Mark Clark
Career
Per 600 PAverified
106
227.14
Jack Aker
Career
Per 600 PA
2.04
2.04
Mark Clark
Careerverified
Per 600 PAverified
2.64
2.64
Jack Aker
Career
Per 600 PA
0.02
0.02
Mark Clark
Careerverified
Per 600 PAverified
0.08
0.08
Jack Aker
Career
Per 600 PA
10
57.69
Mark Clark
Careerverified
Per 600 PAverified
29
62.14
Jack Aker
Career
Per 600 PA
0
0
Mark Clark
Careerverified
Per 600 PAverified
1
2.14
Jack Aker
Careerverified
Per 600 PA
1
5.77
Mark Clark
Career
Per 600 PAverified
2
4.29
Jack Aker
Career
Per 600 PA
0
0
Mark Clark
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0
0
Mark Clark
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0
0
Mark Clark
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
Mark Clark
Career
Per 600 PA