Jack Aker vs. Zac Gallen — Career Comparison

Jack Aker
Silent GenerationCaliforniaThrows RightBats RightNorth AmericaKansas City AthleticsAmerican LeagueRelief Pitcher
Zac Gallen
MillenialNew JerseyThrows RightBats RightNorth AmericaArizona DiamondbacksNational LeagueStarting PitcherAll-Star

Zac Gallen 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. Zac Gallen led in home run suppression (HR9+ 124 vs 76), skill-based run prevention (DICE+ 118 vs 88), and strikeout rate (K%+ 115 vs 86). Role difference aside, Zac Gallen holds a clear edge on every meaningful shared measure.

Pitching Stats for Jack Aker and Zac Gallen

Jack Aker
Careerverified
Per 9 Inningsverified
11
11
Zac Gallen
Career
Per 9 Innings
7
7
Jack Aker
Careerverified
Per 9 Inningsverified
495
5.97
Zac Gallen
Career
Per 9 Innings
176
1.57
Jack Aker
Career
Per 9 Innings
0
0
Zac Gallen
Careerverified
Per 9 Inningsverified
176
1.57
Jack Aker
Career
Per 9 Innings
47
0.57
Zac Gallen
Careerverified
Per 9 Inningsverified
66
0.59
Jack Aker
Careerverified
Per 9 Innings
45
0.54
Zac Gallen
Career
Per 9 Inningsverified
52
0.46
Jack Aker
Career
Per 9 Innings
51.09
51.09
Zac Gallen
Careerverified
Per 9 Inningsverified
55.93
55.93
Jack Aker
Career
Per 9 Innings
0
0
Zac Gallen
Careerverified
Per 9 Inningsverified
100
100
Jack Aker
Career
Per 9 Innings
0
0
Zac Gallen
Careerverified
Per 9 Inningsverified
2
0.02
Jack Aker
Career
Per 9 Innings
0
0
Zac Gallen
Careerverified
Per 9 Inningsverified
2
0.02
Jack Aker
Careerverified
Per 9 Inningsverified
123
1.48
Zac Gallen
Career
Per 9 Innings
0
0
Jack Aker
Careerverified
Per 9 Inningsverified
272
3.28
Zac Gallen
Career
Per 9 Innings
401
3.58
Jack Aker
Careerverified
Per 9 Inningsverified
3.28
3.28
Zac Gallen
Career
Per 9 Innings
3.58
3.58
Jack Aker
Career
Per 9 Innings
3.45
3.45
Zac Gallen
Careerverified
Per 9 Inningsverified
3.14
3.14
Jack Aker
Career
Per 9 Innings
4.29
4.29
Zac Gallen
Careerverified
Per 9 Inningsverified
3.48
3.48
Jack Aker
Career
Per 9 Innings
0.244
0.244
Zac Gallen
Careerverified
Per 9 Inningsverified
0.224
0.224
Jack Aker
Career
Per 9 Innings
2238
27
Zac Gallen
Careerverified
Per 9 Innings
3022
27
Jack Aker
Career
Per 9 Innings
746
9
Zac Gallen
Careerverified
Per 9 Innings
1007.1
9
Jack Aker
Careerverified
Per 9 Innings
679
8.19
Zac Gallen
Career
Per 9 Inningsverified
843
7.53
Jack Aker
Career
Per 9 Innings
8.19
8.19
Zac Gallen
Careerverified
Per 9 Inningsverified
7.53
7.53
Jack Aker
Careerverified
Per 9 Inningsverified
64
0.77
Zac Gallen
Career
Per 9 Innings
117
1.05
Jack Aker
Careerverified
Per 9 Inningsverified
0.77
0.77
Zac Gallen
Career
Per 9 Innings
1.05
1.05
Jack Aker
Careerverified
Per 9 Inningsverified
0.13
0.13
Zac Gallen
Career
Per 9 Innings
0.66
0.66
Jack Aker
Careerverified
Per 9 Innings
274
3.31
Zac Gallen
Career
Per 9 Inningsverified
324
2.89
Jack Aker
Career
Per 9 Innings
68
0.82
Zac Gallen
Careerverified
Per 9 Inningsverified
3
0.03
Jack Aker
Career
Per 9 Innings
3.31
3.31
Zac Gallen
Careerverified
Per 9 Inningsverified
2.89
2.89
Jack Aker
Career
Per 9 Innings
404
4.87
Zac Gallen
Careerverified
Per 9 Inningsverified
1060
9.47
Jack Aker
Career
Per 9 Innings
4.87
4.87
Zac Gallen
Careerverified
Per 9 Inningsverified
9.47
9.47
Jack Aker
Career
Per 9 Innings
0.82
0.82
Zac Gallen
Careerverified
Per 9 Inningsverified
6.02
6.02
Jack Aker
Career
Per 9 Innings
0.909
0.909
Zac Gallen
Careerverified
Per 9 Inningsverified
1.374
1.374
Jack Aker
Careerverified
Per 9 Inningsverified
13
0.16
Zac Gallen
Career
Per 9 Innings
33
0.29
Jack Aker
Career
Per 9 Innings
40
0.48
Zac Gallen
Careerverified
Per 9 Inningsverified
36
0.32
Jack Aker
Careerverified
Per 9 Inningsverified
0
0
Zac Gallen
Career
Per 9 Innings
1
0.01
Jack Aker
Career
Per 9 Inningsverified
3144
37.93
Zac Gallen
Careerverified
Per 9 Innings
4142
37.01
Jack Aker
Careerverified
Per 9 Inningsverified
321
3.87
Zac Gallen
Career
Per 9 Innings
0
0
Jack Aker
Careerverified
Per 9 Inningsverified
312
3.76
Zac Gallen
Career
Per 9 Innings
425
3.8
Jack Aker
Careerverified
Per 9 Inningsverified
3.76
3.76
Zac Gallen
Career
Per 9 Innings
3.8
3.8
Jack Aker
Career
Per 9 Innings
32
0.39
Zac Gallen
Careerverified
Per 9 Inningsverified
7
0.06
Jack Aker
Careerverified
Per 9 Inningsverified
12
0.14
Zac Gallen
Career
Per 9 Innings
17
0.15
Jack Aker
Career
Per 9 Innings
19
0.23
Zac Gallen
Careerverified
Per 9 Inningsverified
74
0.66
Jack Aker
Career
Per 9 Innings
1.278
1.278
Zac Gallen
Careerverified
Per 9 Inningsverified
1.159
1.159
Jack Aker
Career
Per 9 Inningsverified
2786
33.61
Zac Gallen
Careerverified
Per 9 Innings
3758
33.58
Jack Aker
Careerverified
Per 9 Inningsverified
0.63
0.63
Zac Gallen
Career
Per 9 Innings
2.41
2.41
Jack Aker
Careerverified
Per 9 Inningsverified
0.265
0.265
Zac Gallen
Career
Per 9 Innings
0.281
0.281
Jack Aker
Careerverified
Per 9 Inningsverified
37.93
37.93
Zac Gallen
Career
Per 9 Innings
37.01
37.01

Fielding Stats for Jack Aker and Zac Gallen

Jack Aker
Careerverified
Per 9 Inningsverified
11
11
Zac Gallen
Career
Per 9 Innings
7
7
Jack Aker
Careerverified
Per 9 Inningsverified
495
5.97
Zac Gallen
Career
Per 9 Innings
176
1.57
Jack Aker
Career
Per 9 Innings
0
0
Zac Gallen
Careerverified
Per 9 Inningsverified
176
1.57
Jack Aker
Career
Per 9 Innings
2240
27
Zac Gallen
Careerverified
Per 9 Innings
3022
27
Jack Aker
Career
Per 9 Innings
746.2
9
Zac Gallen
Careerverified
Per 9 Innings
1007.1
9
Jack Aker
Careerverified
Per 9 Inningsverified
65
0.78
Zac Gallen
Career
Per 9 Innings
63
0.56
Jack Aker
Careerverified
Per 9 Inningsverified
167
2.01
Zac Gallen
Career
Per 9 Innings
71
0.63
Jack Aker
Career
Per 9 Innings
8
0.1
Zac Gallen
Careerverified
Per 9 Inningsverified
3
0.03
Jack Aker
Careerverified
Per 9 Inningsverified
240
2.89
Zac Gallen
Career
Per 9 Innings
137
1.22
Jack Aker
Careerverified
Per 9 Inningsverified
232
2.8
Zac Gallen
Career
Per 9 Innings
134
1.2
Jack Aker
Career
Per 9 Innings
96.67
96.67
Zac Gallen
Careerverified
Per 9 Inningsverified
97.81
97.81
Jack Aker
Career
Per 9 Innings
0.469
0.469
Zac Gallen
Careerverified
Per 9 Inningsverified
0.761
0.761
Jack Aker
Career
Per 9 Innings
0
0
Zac Gallen
Careerverified
Per 9 Inningsverified
100
100
Jack Aker
Careerverified
Per 9 Inningsverified
20
0.24
Zac Gallen
Career
Per 9 Innings
6
0.05
Jack Aker
Career
Per 9 Innings
0
0
Zac Gallen
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
0
0
Zac Gallen
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
0
0
Zac Gallen
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
0
0
Zac Gallen
Career
Per 9 Innings
0
0

Hitting Stats for Jack Aker and Zac Gallen

Jack Aker
Careerverified
Per 600 PAverified
11
11
Zac Gallen
Career
Per 600 PA
7
7
Jack Aker
Careerverified
Per 600 PAverified
496
2861.54
Zac Gallen
Career
Per 600 PA
176
1600
Jack Aker
Careerverified
Per 600 PA
104
600
Zac Gallen
Career
Per 600 PA
66
600
Jack Aker
Careerverified
Per 600 PAverified
92
530.77
Zac Gallen
Career
Per 600 PA
51
463.64
Jack Aker
Career
Per 600 PA
0.076
0.076
Zac Gallen
Careerverified
Per 600 PAverified
0.157
0.157
Jack Aker
Career
Per 600 PA
0.279
0.279
Zac Gallen
Careerverified
Per 600 PAverified
0.508
0.508
Jack Aker
Career
Per 600 PA
7
40.38
Zac Gallen
Careerverified
Per 600 PAverified
8
72.73
Jack Aker
Career
Per 600 PA
5
28.85
Zac Gallen
Careerverified
Per 600 PAverified
6
54.55
Jack Aker
Career
Per 600 PA
2
11.54
Zac Gallen
Career
Per 600 PAverified
2
18.18
Jack Aker
Career
Per 600 PA
0
0
Zac Gallen
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0
0
Zac Gallen
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
2
11.54
Zac Gallen
Career
Per 600 PAverified
2
18.18
Jack Aker
Careerverified
Per 600 PAverified
0.286
0.286
Zac Gallen
Career
Per 600 PA
0.25
0.25
Jack Aker
Career
Per 600 PA
0
0
Zac Gallen
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0
0
Zac Gallen
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0.81
4.66
Zac Gallen
Careerverified
Per 600 PAverified
1.56
14.2
Jack Aker
Career
Per 600 PA
9
51.92
Zac Gallen
Careerverified
Per 600 PAverified
10
90.91
Jack Aker
Career
Per 600 PA
9
51.92
Zac Gallen
Career
Per 600 PAverified
9
81.82
Jack Aker
Career
Per 600 PA
0.096
0.096
Zac Gallen
Careerverified
Per 600 PAverified
0.173
0.173
Jack Aker
Career
Per 600 PA
0.098
0.098
Zac Gallen
Careerverified
Per 600 PAverified
0.196
0.196
Jack Aker
Career
Per 600 PA
0.194
0.194
Zac Gallen
Careerverified
Per 600 PAverified
0.369
0.369
Jack Aker
Career
Per 600 PA
0.022
0.022
Zac Gallen
Careerverified
Per 600 PAverified
0.039
0.039
Jack Aker
Career
Per 600 PA
0.068
0.068
Zac Gallen
Careerverified
Per 600 PAverified
0.127
0.127
Jack Aker
Career
Per 600 PA
0.128
0.128
Zac Gallen
Careerverified
Per 600 PAverified
0.25
0.25
Jack Aker
Career
Per 600 PA
0.171
0.171
Zac Gallen
Careerverified
Per 600 PAverified
0.32
0.32
Jack Aker
Career
Per 600 PA
3
17.31
Zac Gallen
Careerverified
Per 600 PAverified
4
36.36
Jack Aker
Career
Per 600 PA
4
23.08
Zac Gallen
Career
Per 600 PAverified
4
36.36
Jack Aker
Career
Per 600 PA
7
40.38
Zac Gallen
Careerverified
Per 600 PAverified
8
72.73
Jack Aker
Career
Per 600 PA
-4.13
-23.83
Zac Gallen
Careerverified
Per 600 PAverified
0.83
7.58
Jack Aker
Careerverified
Per 600 PAverified
1
5.77
Zac Gallen
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
1
5.77
Zac Gallen
Career
Per 600 PAverified
1
9.09
Jack Aker
Career
Per 600 PA
0
0
Zac Gallen
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
51
294.23
Zac Gallen
Careerverified
Per 600 PAverified
26
236.36
Jack Aker
Career
Per 600 PA
2.04
2.04
Zac Gallen
Careerverified
Per 600 PAverified
2.54
2.54
Jack Aker
Career
Per 600 PA
0.02
0.02
Zac Gallen
Careerverified
Per 600 PAverified
0.04
0.04
Jack Aker
Career
Per 600 PA
10
57.69
Zac Gallen
Careerverified
Per 600 PAverified
14
127.27
Jack Aker
Career
Per 600 PA
0
0
Zac Gallen
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PAverified
1
5.77
Zac Gallen
Career
Per 600 PA
1
9.09
Jack Aker
Career
Per 600 PA
0
0
Zac Gallen
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0
0
Zac Gallen
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0
0
Zac Gallen
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
Zac Gallen
Career
Per 600 PA