Jack Aker vs. Jonathon Niese — Career Comparison

Jack Aker
Silent GenerationCaliforniaThrows RightBats RightNorth AmericaKansas City AthleticsAmerican LeagueRelief Pitcher
Jonathon Niese
MillenialOhioThrows LeftBats LeftNorth AmericaNew York MetsNational LeagueStarting Pitcher

Jonathon Niese 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. Jonathon Niese led in home run suppression (HR9+ 91 vs 76), run prevention (ERA+ 99 vs 89), and walk avoidance (BB%+ 107 vs 100). Role difference aside, Jonathon Niese holds a clear edge on every meaningful shared measure.

Pitching Stats for Jack Aker and Jonathon Niese

Jack Aker
Careerverified
Per 9 Inningsverified
11
11
Jonathon Niese
Career
Per 9 Innings
9
9
Jack Aker
Careerverified
Per 9 Inningsverified
495
5.97
Jonathon Niese
Career
Per 9 Innings
211
1.6
Jack Aker
Career
Per 9 Innings
0
0
Jonathon Niese
Careerverified
Per 9 Inningsverified
197
1.49
Jack Aker
Career
Per 9 Inningsverified
47
0.57
Jonathon Niese
Careerverified
Per 9 Innings
69
0.52
Jack Aker
Careerverified
Per 9 Innings
45
0.54
Jonathon Niese
Career
Per 9 Inningsverified
68
0.51
Jack Aker
Careerverified
Per 9 Inningsverified
51.09
51.09
Jonathon Niese
Career
Per 9 Innings
50.36
50.36
Jack Aker
Career
Per 9 Innings
0
0
Jonathon Niese
Careerverified
Per 9 Inningsverified
93.36
93.36
Jack Aker
Career
Per 9 Innings
0
0
Jonathon Niese
Careerverified
Per 9 Inningsverified
3
0.02
Jack Aker
Career
Per 9 Innings
0
0
Jonathon Niese
Careerverified
Per 9 Inningsverified
2
0.02
Jack Aker
Careerverified
Per 9 Inningsverified
123
1.48
Jonathon Niese
Career
Per 9 Innings
0
0
Jack Aker
Careerverified
Per 9 Inningsverified
272
3.28
Jonathon Niese
Career
Per 9 Innings
538
4.07
Jack Aker
Careerverified
Per 9 Inningsverified
3.28
3.28
Jonathon Niese
Career
Per 9 Innings
4.07
4.07
Jack Aker
Careerverified
Per 9 Inningsverified
3.45
3.45
Jonathon Niese
Career
Per 9 Innings
4.32
4.32
Jack Aker
Career
Per 9 Innings
4.29
4.29
Jonathon Niese
Careerverified
Per 9 Inningsverified
3.92
3.92
Jack Aker
Careerverified
Per 9 Inningsverified
0.244
0.244
Jonathon Niese
Career
Per 9 Innings
0.275
0.275
Jack Aker
Career
Per 9 Innings
2238
27
Jonathon Niese
Careerverified
Per 9 Innings
3568
27
Jack Aker
Career
Per 9 Innings
746
9
Jonathon Niese
Careerverified
Per 9 Innings
1189.1
9
Jack Aker
Careerverified
Per 9 Inningsverified
679
8.19
Jonathon Niese
Career
Per 9 Innings
1279
9.68
Jack Aker
Careerverified
Per 9 Inningsverified
8.19
8.19
Jonathon Niese
Career
Per 9 Innings
9.68
9.68
Jack Aker
Careerverified
Per 9 Inningsverified
64
0.77
Jonathon Niese
Career
Per 9 Innings
131
0.99
Jack Aker
Careerverified
Per 9 Inningsverified
0.77
0.77
Jonathon Niese
Career
Per 9 Innings
0.99
0.99
Jack Aker
Careerverified
Per 9 Inningsverified
0.13
0.13
Jonathon Niese
Career
Per 9 Innings
0.62
0.62
Jack Aker
Careerverified
Per 9 Innings
274
3.31
Jonathon Niese
Career
Per 9 Inningsverified
367
2.78
Jack Aker
Career
Per 9 Innings
68
0.82
Jonathon Niese
Careerverified
Per 9 Inningsverified
15
0.11
Jack Aker
Career
Per 9 Innings
3.31
3.31
Jonathon Niese
Careerverified
Per 9 Inningsverified
2.78
2.78
Jack Aker
Career
Per 9 Innings
404
4.87
Jonathon Niese
Careerverified
Per 9 Inningsverified
914
6.92
Jack Aker
Career
Per 9 Innings
4.87
4.87
Jonathon Niese
Careerverified
Per 9 Inningsverified
6.92
6.92
Jack Aker
Career
Per 9 Innings
0.82
0.82
Jonathon Niese
Careerverified
Per 9 Inningsverified
4.33
4.33
Jack Aker
Career
Per 9 Innings
0.909
0.909
Jonathon Niese
Careerverified
Per 9 Inningsverified
1.077
1.077
Jack Aker
Careerverified
Per 9 Inningsverified
13
0.16
Jonathon Niese
Career
Per 9 Innings
36
0.27
Jack Aker
Careerverified
Per 9 Innings
40
0.48
Jonathon Niese
Career
Per 9 Inningsverified
41
0.31
Jack Aker
Career
Per 9 Innings
0
0
Jonathon Niese
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
3144
37.93
Jonathon Niese
Careerverified
Per 9 Inningsverified
5154
39
Jack Aker
Careerverified
Per 9 Inningsverified
321
3.87
Jonathon Niese
Career
Per 9 Innings
4
0.03
Jack Aker
Careerverified
Per 9 Inningsverified
312
3.76
Jonathon Niese
Career
Per 9 Innings
603
4.56
Jack Aker
Careerverified
Per 9 Inningsverified
3.76
3.76
Jonathon Niese
Career
Per 9 Innings
4.56
4.56
Jack Aker
Careerverified
Per 9 Inningsverified
32
0.39
Jonathon Niese
Career
Per 9 Innings
73
0.55
Jack Aker
Careerverified
Per 9 Inningsverified
12
0.14
Jonathon Niese
Career
Per 9 Innings
22
0.17
Jack Aker
Career
Per 9 Innings
19
0.23
Jonathon Niese
Careerverified
Per 9 Inningsverified
114
0.86
Jack Aker
Careerverified
Per 9 Inningsverified
1.278
1.278
Jonathon Niese
Career
Per 9 Innings
1.384
1.384
Jack Aker
Career
Per 9 Innings
2786
33.61
Jonathon Niese
Careerverified
Per 9 Inningsverified
4651
35.2
Jack Aker
Careerverified
Per 9 Inningsverified
0.63
0.63
Jonathon Niese
Career
Per 9 Innings
2.86
2.86
Jack Aker
Careerverified
Per 9 Inningsverified
0.265
0.265
Jonathon Niese
Career
Per 9 Innings
0.318
0.318
Jack Aker
Career
Per 9 Innings
37.93
37.93
Jonathon Niese
Careerverified
Per 9 Inningsverified
39
39

Fielding Stats for Jack Aker and Jonathon Niese

Jack Aker
Careerverified
Per 9 Inningsverified
11
11
Jonathon Niese
Career
Per 9 Innings
9
9
Jack Aker
Careerverified
Per 9 Inningsverified
495
5.97
Jonathon Niese
Career
Per 9 Innings
211
1.6
Jack Aker
Career
Per 9 Innings
0
0
Jonathon Niese
Careerverified
Per 9 Inningsverified
197
1.49
Jack Aker
Career
Per 9 Innings
2240
27
Jonathon Niese
Careerverified
Per 9 Innings
3568
27
Jack Aker
Career
Per 9 Innings
746.2
9
Jonathon Niese
Careerverified
Per 9 Innings
1189.1
9
Jack Aker
Careerverified
Per 9 Inningsverified
65
0.78
Jonathon Niese
Career
Per 9 Innings
39
0.3
Jack Aker
Career
Per 9 Inningsverified
167
2.01
Jonathon Niese
Careerverified
Per 9 Innings
208
1.57
Jack Aker
Careerverified
Per 9 Innings
8
0.1
Jonathon Niese
Career
Per 9 Inningsverified
11
0.08
Jack Aker
Career
Per 9 Inningsverified
240
2.89
Jonathon Niese
Careerverified
Per 9 Innings
258
1.95
Jack Aker
Career
Per 9 Inningsverified
232
2.8
Jonathon Niese
Careerverified
Per 9 Innings
247
1.87
Jack Aker
Careerverified
Per 9 Inningsverified
96.67
96.67
Jonathon Niese
Career
Per 9 Innings
95.74
95.74
Jack Aker
Career
Per 9 Innings
0.469
0.469
Jonathon Niese
Careerverified
Per 9 Inningsverified
1.171
1.171
Jack Aker
Career
Per 9 Innings
0
0
Jonathon Niese
Careerverified
Per 9 Inningsverified
93.36
93.36
Jack Aker
Careerverified
Per 9 Inningsverified
20
0.24
Jonathon Niese
Career
Per 9 Innings
11
0.08
Jack Aker
Career
Per 9 Innings
0
0
Jonathon Niese
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
0
0
Jonathon Niese
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
0
0
Jonathon Niese
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
0
0
Jonathon Niese
Career
Per 9 Innings
0
0

Hitting Stats for Jack Aker and Jonathon Niese

Jack Aker
Careerverified
Per 600 PAverified
11
11
Jonathon Niese
Career
Per 600 PA
9
9
Jack Aker
Careerverified
Per 600 PAverified
496
2861.54
Jonathon Niese
Career
Per 600 PA
216
313.8
Jack Aker
Career
Per 600 PA
104
600
Jonathon Niese
Careerverified
Per 600 PA
413
600
Jack Aker
Career
Per 600 PAverified
92
530.77
Jonathon Niese
Careerverified
Per 600 PA
347
504.12
Jack Aker
Career
Per 600 PA
0.076
0.076
Jonathon Niese
Careerverified
Per 600 PAverified
0.15
0.15
Jack Aker
Career
Per 600 PA
0.279
0.279
Jonathon Niese
Careerverified
Per 600 PAverified
0.476
0.476
Jack Aker
Career
Per 600 PA
7
40.38
Jonathon Niese
Careerverified
Per 600 PAverified
52
75.54
Jack Aker
Career
Per 600 PA
5
28.85
Jonathon Niese
Careerverified
Per 600 PAverified
44
63.92
Jack Aker
Career
Per 600 PAverified
2
11.54
Jonathon Niese
Careerverified
Per 600 PA
7
10.17
Jack Aker
Career
Per 600 PA
0
0
Jonathon Niese
Careerverified
Per 600 PAverified
1
1.45
Jack Aker
Career
Per 600 PA
0
0
Jonathon Niese
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
2
11.54
Jonathon Niese
Careerverified
Per 600 PAverified
8
11.62
Jack Aker
Careerverified
Per 600 PAverified
0.286
0.286
Jonathon Niese
Career
Per 600 PA
0.154
0.154
Jack Aker
Career
Per 600 PA
0
0
Jonathon Niese
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0
0
Jonathon Niese
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0.81
4.66
Jonathon Niese
Careerverified
Per 600 PAverified
14.92
21.68
Jack Aker
Career
Per 600 PA
9
51.92
Jonathon Niese
Careerverified
Per 600 PAverified
61
88.62
Jack Aker
Career
Per 600 PA
9
51.92
Jonathon Niese
Careerverified
Per 600 PAverified
87
126.39
Jack Aker
Career
Per 600 PA
0.096
0.096
Jonathon Niese
Careerverified
Per 600 PAverified
0.228
0.228
Jack Aker
Career
Per 600 PA
0.098
0.098
Jonathon Niese
Careerverified
Per 600 PAverified
0.176
0.176
Jack Aker
Career
Per 600 PA
0.194
0.194
Jonathon Niese
Careerverified
Per 600 PAverified
0.404
0.404
Jack Aker
Career
Per 600 PA
0.022
0.022
Jonathon Niese
Careerverified
Per 600 PAverified
0.026
0.026
Jack Aker
Career
Per 600 PA
0.068
0.068
Jonathon Niese
Careerverified
Per 600 PAverified
0.146
0.146
Jack Aker
Career
Per 600 PA
0.128
0.128
Jonathon Niese
Careerverified
Per 600 PAverified
0.323
0.323
Jack Aker
Career
Per 600 PA
0.171
0.171
Jonathon Niese
Careerverified
Per 600 PAverified
0.284
0.284
Jack Aker
Career
Per 600 PA
3
17.31
Jonathon Niese
Careerverified
Per 600 PAverified
27
39.23
Jack Aker
Career
Per 600 PA
4
23.08
Jonathon Niese
Careerverified
Per 600 PAverified
19
27.6
Jack Aker
Career
Per 600 PA
7
40.38
Jonathon Niese
Careerverified
Per 600 PAverified
46
66.83
Jack Aker
Career
Per 600 PA
-4.13
-23.83
Jonathon Niese
Careerverified
Per 600 PAverified
12.71
18.47
Jack Aker
Careerverified
Per 600 PAverified
1
5.77
Jonathon Niese
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
1
5.77
Jonathon Niese
Careerverified
Per 600 PAverified
35
50.85
Jack Aker
Career
Per 600 PA
0
0
Jonathon Niese
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PA
51
294.23
Jonathon Niese
Career
Per 600 PAverified
164
238.26
Jack Aker
Career
Per 600 PA
2.04
2.04
Jonathon Niese
Careerverified
Per 600 PAverified
2.52
2.52
Jack Aker
Career
Per 600 PA
0.02
0.02
Jonathon Niese
Careerverified
Per 600 PAverified
0.21
0.21
Jack Aker
Career
Per 600 PAverified
10
57.69
Jonathon Niese
Careerverified
Per 600 PA
31
45.04
Jack Aker
Career
Per 600 PA
0
0
Jonathon Niese
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PA
1
5.77
Jonathon Niese
Career
Per 600 PAverified
2
2.91
Jack Aker
Career
Per 600 PA
0
0
Jonathon Niese
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0
0
Jonathon Niese
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0
0
Jonathon Niese
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
Jonathon Niese
Career
Per 600 PA