Jim Acker vs. Dan Jennings — Career Comparison

Jim Acker
Baby BoomersTexasThrows RightBats RightNorth AmericaToronto Blue JaysAmerican LeagueRelief Pitcher
Dan Jennings
MillenialCaliforniaThrows LeftBats LeftNorth AmericaChicago White SoxAmerican LeagueRelief Pitcher

The numbers give Dan Jennings a clear advantage over Jim Acker across the core pitching metrics. Dan Jennings led in home run suppression (HR9+ 259 vs 92), run prevention (ERA+ 161 vs 92), and skill-based run prevention (DICE+ 104 vs 86). Jim Acker held the edge in walk avoidance (BB%+ 98 vs 89). Dan Jennings was the better reliever — the numbers make that case clearly.

Pitching Stats for Jim Acker and Dan Jennings

Jim Acker
Careerverified
Per 9 Inningsverified
10
10
Dan Jennings
Career
Per 9 Innings
8
8
Jim Acker
Careerverified
Per 9 Innings
467
4.65
Dan Jennings
Career
Per 9 Inningsverified
390
10.07
Jim Acker
Careerverified
Per 9 Inningsverified
32
0.32
Dan Jennings
Career
Per 9 Innings
1
0.03
Jim Acker
Careerverified
Per 9 Innings
33
0.33
Dan Jennings
Career
Per 9 Inningsverified
17
0.44
Jim Acker
Career
Per 9 Inningsverified
49
0.49
Dan Jennings
Careerverified
Per 9 Innings
20
0.52
Jim Acker
Career
Per 9 Innings
40.24
40.24
Dan Jennings
Careerverified
Per 9 Inningsverified
45.95
45.95
Jim Acker
Careerverified
Per 9 Inningsverified
6.85
6.85
Dan Jennings
Career
Per 9 Innings
0.26
0.26
Jim Acker
Career
Per 9 Innings
0
0
Dan Jennings
Career
Per 9 Innings
0
0
Jim Acker
Career
Per 9 Innings
0
0
Dan Jennings
Career
Per 9 Innings
0
0
Jim Acker
Careerverified
Per 9 Inningsverified
30
0.3
Dan Jennings
Career
Per 9 Innings
2
0.05
Jim Acker
Career
Per 9 Innings
399
3.97
Dan Jennings
Careerverified
Per 9 Inningsverified
120
3.1
Jim Acker
Career
Per 9 Innings
3.97
3.97
Dan Jennings
Careerverified
Per 9 Inningsverified
3.1
3.1
Jim Acker
Career
Per 9 Innings
4.07
4.07
Dan Jennings
Careerverified
Per 9 Inningsverified
3.96
3.96
Jim Acker
Career
Per 9 Innings
4.31
4.31
Dan Jennings
Careerverified
Per 9 Inningsverified
3.74
3.74
Jim Acker
Career
Per 9 Innings
0.267
0.267
Dan Jennings
Careerverified
Per 9 Inningsverified
0.259
0.259
Jim Acker
Careerverified
Per 9 Innings
2713
27
Dan Jennings
Career
Per 9 Innings
1046
27
Jim Acker
Careerverified
Per 9 Innings
904.1
9
Dan Jennings
Career
Per 9 Innings
348.2
9
Jim Acker
Career
Per 9 Innings
918
9.14
Dan Jennings
Careerverified
Per 9 Inningsverified
341
8.8
Jim Acker
Career
Per 9 Innings
9.14
9.14
Dan Jennings
Careerverified
Per 9 Inningsverified
8.8
8.8
Jim Acker
Career
Per 9 Innings
82
0.82
Dan Jennings
Careerverified
Per 9 Inningsverified
25
0.65
Jim Acker
Career
Per 9 Innings
0.82
0.82
Dan Jennings
Careerverified
Per 9 Inningsverified
0.65
0.65
Jim Acker
Career
Per 9 Innings
0.18
0.18
Dan Jennings
Careerverified
Per 9 Inningsverified
0.06
0.06
Jim Acker
Career
Per 9 Inningsverified
329
3.27
Dan Jennings
Careerverified
Per 9 Innings
157
4.05
Jim Acker
Career
Per 9 Inningsverified
40
0.4
Dan Jennings
Careerverified
Per 9 Innings
20
0.52
Jim Acker
Careerverified
Per 9 Inningsverified
3.27
3.27
Dan Jennings
Career
Per 9 Innings
4.05
4.05
Jim Acker
Careerverified
Per 9 Innings
482
4.8
Dan Jennings
Career
Per 9 Inningsverified
281
7.25
Jim Acker
Career
Per 9 Innings
4.8
4.8
Dan Jennings
Careerverified
Per 9 Inningsverified
7.25
7.25
Jim Acker
Careerverified
Per 9 Inningsverified
1.03
1.03
Dan Jennings
Career
Per 9 Innings
0.72
0.72
Jim Acker
Career
Per 9 Innings
0.897
0.897
Dan Jennings
Careerverified
Per 9 Inningsverified
1.256
1.256
Jim Acker
Career
Per 9 Inningsverified
31
0.31
Dan Jennings
Careerverified
Per 9 Innings
19
0.49
Jim Acker
Career
Per 9 Innings
32
0.32
Dan Jennings
Careerverified
Per 9 Inningsverified
8
0.21
Jim Acker
Career
Per 9 Inningsverified
2
0.02
Dan Jennings
Careerverified
Per 9 Innings
1
0.03
Jim Acker
Careerverified
Per 9 Innings
3868
38.49
Dan Jennings
Career
Per 9 Inningsverified
1512
39.03
Jim Acker
Careerverified
Per 9 Innings
159
1.58
Dan Jennings
Career
Per 9 Inningsverified
77
1.99
Jim Acker
Career
Per 9 Innings
447
4.45
Dan Jennings
Careerverified
Per 9 Inningsverified
141
3.64
Jim Acker
Career
Per 9 Innings
4.45
4.45
Dan Jennings
Careerverified
Per 9 Inningsverified
3.64
3.64
Jim Acker
Career
Per 9 Innings
43
0.43
Dan Jennings
Careerverified
Per 9 Inningsverified
12
0.31
Jim Acker
Career
Per 9 Inningsverified
31
0.31
Dan Jennings
Careerverified
Per 9 Innings
16
0.41
Jim Acker
Careerverified
Per 9 Innings
100
1
Dan Jennings
Career
Per 9 Inningsverified
46
1.19
Jim Acker
Careerverified
Per 9 Inningsverified
1.379
1.379
Dan Jennings
Career
Per 9 Innings
1.428
1.428
Jim Acker
Careerverified
Per 9 Inningsverified
3433
34.17
Dan Jennings
Career
Per 9 Innings
1319
34.05
Jim Acker
Career
Per 9 Innings
0.96
0.96
Dan Jennings
Careerverified
Per 9 Inningsverified
0.36
0.36
Jim Acker
Careerverified
Per 9 Inningsverified
0.291
0.291
Dan Jennings
Career
Per 9 Innings
0.312
0.312
Jim Acker
Career
Per 9 Innings
38.49
38.49
Dan Jennings
Careerverified
Per 9 Inningsverified
39.03
39.03

Fielding Stats for Jim Acker and Dan Jennings

Jim Acker
Careerverified
Per 9 Inningsverified
10
10
Dan Jennings
Career
Per 9 Innings
8
8
Jim Acker
Careerverified
Per 9 Innings
467
4.65
Dan Jennings
Career
Per 9 Inningsverified
390
10.07
Jim Acker
Careerverified
Per 9 Inningsverified
32
0.32
Dan Jennings
Career
Per 9 Innings
1
0.03
Jim Acker
Careerverified
Per 9 Innings
2713
27
Dan Jennings
Career
Per 9 Innings
1046
27
Jim Acker
Careerverified
Per 9 Innings
904.1
9
Dan Jennings
Career
Per 9 Innings
348.2
9
Jim Acker
Careerverified
Per 9 Inningsverified
73
0.73
Dan Jennings
Career
Per 9 Innings
18
0.46
Jim Acker
Careerverified
Per 9 Inningsverified
161
1.6
Dan Jennings
Career
Per 9 Innings
54
1.39
Jim Acker
Careerverified
Per 9 Inningsverified
2
0.02
Dan Jennings
Career
Per 9 Innings
4
0.1
Jim Acker
Careerverified
Per 9 Inningsverified
236
2.35
Dan Jennings
Career
Per 9 Innings
76
1.96
Jim Acker
Careerverified
Per 9 Inningsverified
234
2.33
Dan Jennings
Career
Per 9 Innings
72
1.86
Jim Acker
Careerverified
Per 9 Inningsverified
99.15
99.15
Dan Jennings
Career
Per 9 Innings
94.74
94.74
Jim Acker
Careerverified
Per 9 Inningsverified
0.501
0.501
Dan Jennings
Career
Per 9 Innings
0.185
0.185
Jim Acker
Careerverified
Per 9 Inningsverified
6.85
6.85
Dan Jennings
Career
Per 9 Innings
0.26
0.26
Jim Acker
Careerverified
Per 9 Inningsverified
11
0.11
Dan Jennings
Career
Per 9 Innings
2
0.05
Jim Acker
Career
Per 9 Innings
0
0
Dan Jennings
Career
Per 9 Innings
0
0
Jim Acker
Career
Per 9 Innings
0
0
Dan Jennings
Career
Per 9 Innings
0
0
Jim Acker
Career
Per 9 Innings
0
0
Dan Jennings
Career
Per 9 Innings
0
0
Jim Acker
Career
Per 9 Innings
0
0
Dan Jennings
Career
Per 9 Innings
0
0

Hitting Stats for Jim Acker and Dan Jennings

Jim Acker
Careerverified
Per 600 PAverified
10
10
Dan Jennings
Career
Per 600 PA
8
8
Jim Acker
Careerverified
Per 600 PA
467
5003.57
Dan Jennings
Career
Per 600 PAverified
390
58500
Jim Acker
Careerverified
Per 600 PA
56
600
Dan Jennings
Career
Per 600 PA
4
600
Jim Acker
Careerverified
Per 600 PA
54
578.57
Dan Jennings
Career
Per 600 PAverified
4
600
Jim Acker
Career
Per 600 PA
0.167
0.167
Dan Jennings
Careerverified
Per 600 PAverified
0.5
0.5
Jim Acker
Career
Per 600 PA
0.393
0.393
Dan Jennings
Careerverified
Per 600 PAverified
1.25
1.25
Jim Acker
Careerverified
Per 600 PA
9
96.43
Dan Jennings
Career
Per 600 PAverified
2
300
Jim Acker
Careerverified
Per 600 PA
8
85.71
Dan Jennings
Career
Per 600 PAverified
1
150
Jim Acker
Career
Per 600 PA
1
10.71
Dan Jennings
Career
Per 600 PAverified
1
150
Jim Acker
Career
Per 600 PA
0
0
Dan Jennings
Career
Per 600 PA
0
0
Jim Acker
Career
Per 600 PA
0
0
Dan Jennings
Career
Per 600 PA
0
0
Jim Acker
Career
Per 600 PA
1
10.71
Dan Jennings
Career
Per 600 PAverified
1
150
Jim Acker
Career
Per 600 PA
0.111
0.111
Dan Jennings
Careerverified
Per 600 PAverified
0.5
0.5
Jim Acker
Career
Per 600 PA
0
0
Dan Jennings
Career
Per 600 PA
0
0
Jim Acker
Career
Per 600 PA
0
0
Dan Jennings
Career
Per 600 PA
0
0
Jim Acker
Careerverified
Per 600 PA
1.75
18.73
Dan Jennings
Career
Per 600 PAverified
1.25
186.79
Jim Acker
Careerverified
Per 600 PA
10
107.14
Dan Jennings
Career
Per 600 PAverified
3
450
Jim Acker
Careerverified
Per 600 PA
11
117.86
Dan Jennings
Career
Per 600 PAverified
2
300
Jim Acker
Career
Per 600 PA
0.196
0.196
Dan Jennings
Careerverified
Per 600 PAverified
0.5
0.5
Jim Acker
Career
Per 600 PA
0.185
0.185
Dan Jennings
Careerverified
Per 600 PAverified
0.75
0.75
Jim Acker
Career
Per 600 PA
0.382
0.382
Dan Jennings
Careerverified
Per 600 PAverified
1.25
1.25
Jim Acker
Career
Per 600 PA
0.019
0.019
Dan Jennings
Careerverified
Per 600 PAverified
0.25
0.25
Jim Acker
Career
Per 600 PA
0.135
0.135
Dan Jennings
Careerverified
Per 600 PAverified
0.413
0.413
Jim Acker
Career
Per 600 PA
0.261
0.261
Dan Jennings
Careerverified
Per 600 PAverified
1.5
1.5
Jim Acker
Career
Per 600 PA
0.409
0.409
Dan Jennings
Careerverified
Per 600 PAverified
0.667
0.667
Jim Acker
Careerverified
Per 600 PA
2
21.43
Dan Jennings
Career
Per 600 PAverified
1
150
Jim Acker
Careerverified
Per 600 PAverified
1
10.71
Dan Jennings
Career
Per 600 PA
0
0
Jim Acker
Careerverified
Per 600 PA
3
32.14
Dan Jennings
Career
Per 600 PAverified
1
150
Jim Acker
Career
Per 600 PA
0.88
9.45
Dan Jennings
Careerverified
Per 600 PAverified
1.2
180.17
Jim Acker
Career
Per 600 PA
0
0
Dan Jennings
Career
Per 600 PA
0
0
Jim Acker
Careerverified
Per 600 PAverified
2
21.43
Dan Jennings
Career
Per 600 PA
0
0
Jim Acker
Career
Per 600 PA
0
0
Dan Jennings
Career
Per 600 PA
0
0
Jim Acker
Career
Per 600 PA
32
342.86
Dan Jennings
Careerverified
Per 600 PAverified
1
150
Jim Acker
Career
Per 600 PA
1.75
1.75
Dan Jennings
Careerverified
Per 600 PAverified
4
4
Jim Acker
Careerverified
Per 600 PAverified
0.06
0.06
Dan Jennings
Career
Per 600 PA
0
0
Jim Acker
Career
Per 600 PA
0
0
Dan Jennings
Career
Per 600 PA
0
0
Jim Acker
Career
Per 600 PA
0
0
Dan Jennings
Career
Per 600 PA
0
0
Jim Acker
Career
Per 600 PA
1
10.71
Dan Jennings
Careerverified
Per 600 PAverified
0
0
Jim Acker
Career
Per 600 PA
0
0
Dan Jennings
Career
Per 600 PA
0
0
Jim Acker
Career
Per 600 PA
0
0
Dan Jennings
Career
Per 600 PA
0
0
Jim Acker
Career
Per 600 PA
0
0
Dan Jennings
Career
Per 600 PA
0
0
Jim Acker
Career
Per 600 PA
Dan Jennings
Career
Per 600 PA