Dan Jennings vs. Jack O'Connor — Career Comparison

Dan Jennings
MillenialCaliforniaThrows LeftBats LeftNorth AmericaChicago White SoxAmerican LeagueRelief Pitcher
Jack O'Connor
Baby BoomersCaliforniaThrows LeftBats LeftNorth AmericaMinnesota TwinsAmerican LeagueRelief Pitcher

The numbers give Dan Jennings a clear advantage over Jack O'Connor across the core pitching metrics. Dan Jennings led in home run suppression (HR9+ 259 vs 89), run prevention (ERA+ 161 vs 80), and skill-based run prevention (DICE+ 104 vs 86). Jack O'Connor held the edge in strikeout rate (K%+ 85 vs 82). Dan Jennings was the better reliever — the numbers make that case clearly.

Pitching Stats for Dan Jennings and Jack O'Connor

Dan Jennings
Careerverified
Per 9 Inningsverified
8
8
Jack O'Connor
Career
Per 9 Innings
6
6
Dan Jennings
Careerverified
Per 9 Inningsverified
390
10.07
Jack O'Connor
Career
Per 9 Innings
129
3.64
Dan Jennings
Career
Per 9 Innings
1
0.03
Jack O'Connor
Careerverified
Per 9 Inningsverified
28
0.79
Dan Jennings
Careerverified
Per 9 Inningsverified
17
0.44
Jack O'Connor
Career
Per 9 Innings
14
0.4
Dan Jennings
Career
Per 9 Innings
20
0.52
Jack O'Connor
Careerverified
Per 9 Inningsverified
17
0.48
Dan Jennings
Careerverified
Per 9 Inningsverified
45.95
45.95
Jack O'Connor
Career
Per 9 Innings
45.16
45.16
Dan Jennings
Career
Per 9 Innings
0.26
0.26
Jack O'Connor
Careerverified
Per 9 Inningsverified
21.71
21.71
Dan Jennings
Career
Per 9 Innings
0
0
Jack O'Connor
Careerverified
Per 9 Inningsverified
6
0.17
Dan Jennings
Career
Per 9 Innings
0
0
Jack O'Connor
Careerverified
Per 9 Inningsverified
1
0.03
Dan Jennings
Career
Per 9 Innings
2
0.05
Jack O'Connor
Career
Per 9 Inningsverified
2
0.06
Dan Jennings
Careerverified
Per 9 Inningsverified
120
3.1
Jack O'Connor
Career
Per 9 Innings
173
4.89
Dan Jennings
Careerverified
Per 9 Inningsverified
3.1
3.1
Jack O'Connor
Career
Per 9 Innings
4.89
4.89
Dan Jennings
Careerverified
Per 9 Inningsverified
3.96
3.96
Jack O'Connor
Career
Per 9 Innings
5.02
5.02
Dan Jennings
Careerverified
Per 9 Inningsverified
3.74
3.74
Jack O'Connor
Career
Per 9 Innings
4.93
4.93
Dan Jennings
Careerverified
Per 9 Inningsverified
0.259
0.259
Jack O'Connor
Career
Per 9 Innings
0.278
0.278
Dan Jennings
Careerverified
Per 9 Innings
1046
27
Jack O'Connor
Career
Per 9 Innings
956
27
Dan Jennings
Careerverified
Per 9 Innings
348.2
9
Jack O'Connor
Career
Per 9 Innings
318.2
9
Dan Jennings
Careerverified
Per 9 Inningsverified
341
8.8
Jack O'Connor
Career
Per 9 Innings
343
9.69
Dan Jennings
Careerverified
Per 9 Inningsverified
8.8
8.8
Jack O'Connor
Career
Per 9 Innings
9.69
9.69
Dan Jennings
Careerverified
Per 9 Inningsverified
25
0.65
Jack O'Connor
Career
Per 9 Innings
36
1.02
Dan Jennings
Careerverified
Per 9 Inningsverified
0.65
0.65
Jack O'Connor
Career
Per 9 Innings
1.02
1.02
Dan Jennings
Careerverified
Per 9 Inningsverified
0.06
0.06
Jack O'Connor
Career
Per 9 Innings
0.28
0.28
Dan Jennings
Careerverified
Per 9 Inningsverified
157
4.05
Jack O'Connor
Career
Per 9 Innings
163
4.6
Dan Jennings
Careerverified
Per 9 Inningsverified
20
0.52
Jack O'Connor
Career
Per 9 Innings
22
0.62
Dan Jennings
Careerverified
Per 9 Inningsverified
4.05
4.05
Jack O'Connor
Career
Per 9 Innings
4.6
4.6
Dan Jennings
Careerverified
Per 9 Inningsverified
281
7.25
Jack O'Connor
Career
Per 9 Innings
177
5
Dan Jennings
Careerverified
Per 9 Inningsverified
7.25
7.25
Jack O'Connor
Career
Per 9 Innings
5
5
Dan Jennings
Career
Per 9 Innings
0.72
0.72
Jack O'Connor
Careerverified
Per 9 Inningsverified
1.37
1.37
Dan Jennings
Careerverified
Per 9 Inningsverified
1.256
1.256
Jack O'Connor
Career
Per 9 Innings
1.067
1.067
Dan Jennings
Career
Per 9 Innings
19
0.49
Jack O'Connor
Careerverified
Per 9 Inningsverified
10
0.28
Dan Jennings
Career
Per 9 Innings
8
0.21
Jack O'Connor
Careerverified
Per 9 Inningsverified
4
0.11
Dan Jennings
Careerverified
Per 9 Inningsverified
1
0.03
Jack O'Connor
Career
Per 9 Innings
2
0.06
Dan Jennings
Careerverified
Per 9 Innings
1512
39.03
Jack O'Connor
Career
Per 9 Inningsverified
1426
40.27
Dan Jennings
Careerverified
Per 9 Inningsverified
77
1.99
Jack O'Connor
Career
Per 9 Innings
37
1.04
Dan Jennings
Careerverified
Per 9 Inningsverified
141
3.64
Jack O'Connor
Career
Per 9 Innings
187
5.28
Dan Jennings
Careerverified
Per 9 Inningsverified
3.64
3.64
Jack O'Connor
Career
Per 9 Innings
5.28
5.28
Dan Jennings
Careerverified
Per 9 Inningsverified
12
0.31
Jack O'Connor
Career
Per 9 Innings
15
0.42
Dan Jennings
Career
Per 9 Innings
16
0.41
Jack O'Connor
Careerverified
Per 9 Inningsverified
11
0.31
Dan Jennings
Careerverified
Per 9 Inningsverified
46
1.19
Jack O'Connor
Career
Per 9 Innings
36
1.02
Dan Jennings
Careerverified
Per 9 Inningsverified
1.428
1.428
Jack O'Connor
Career
Per 9 Innings
1.588
1.588
Dan Jennings
Careerverified
Per 9 Innings
1319
34.05
Jack O'Connor
Career
Per 9 Inningsverified
1233
34.82
Dan Jennings
Careerverified
Per 9 Inningsverified
0.36
0.36
Jack O'Connor
Career
Per 9 Innings
1.45
1.45
Dan Jennings
Career
Per 9 Innings
0.312
0.312
Jack O'Connor
Careerverified
Per 9 Inningsverified
0.301
0.301
Dan Jennings
Career
Per 9 Innings
39.03
39.03
Jack O'Connor
Careerverified
Per 9 Inningsverified
40.27
40.27

Fielding Stats for Dan Jennings and Jack O'Connor

Dan Jennings
Careerverified
Per 9 Inningsverified
8
8
Jack O'Connor
Career
Per 9 Innings
6
6
Dan Jennings
Careerverified
Per 9 Inningsverified
390
10.07
Jack O'Connor
Career
Per 9 Innings
129
3.64
Dan Jennings
Career
Per 9 Innings
1
0.03
Jack O'Connor
Careerverified
Per 9 Inningsverified
28
0.79
Dan Jennings
Careerverified
Per 9 Innings
1046
27
Jack O'Connor
Career
Per 9 Innings
956
27
Dan Jennings
Careerverified
Per 9 Innings
348.2
9
Jack O'Connor
Career
Per 9 Innings
318.2
9
Dan Jennings
Careerverified
Per 9 Inningsverified
18
0.46
Jack O'Connor
Career
Per 9 Innings
10
0.28
Dan Jennings
Careerverified
Per 9 Inningsverified
54
1.39
Jack O'Connor
Career
Per 9 Innings
23
0.65
Dan Jennings
Career
Per 9 Innings
4
0.1
Jack O'Connor
Careerverified
Per 9 Inningsverified
3
0.08
Dan Jennings
Careerverified
Per 9 Inningsverified
76
1.96
Jack O'Connor
Career
Per 9 Innings
36
1.02
Dan Jennings
Careerverified
Per 9 Inningsverified
72
1.86
Jack O'Connor
Career
Per 9 Innings
33
0.93
Dan Jennings
Careerverified
Per 9 Inningsverified
94.74
94.74
Jack O'Connor
Career
Per 9 Innings
91.67
91.67
Dan Jennings
Career
Per 9 Innings
0.185
0.185
Jack O'Connor
Careerverified
Per 9 Inningsverified
0.256
0.256
Dan Jennings
Career
Per 9 Innings
0.26
0.26
Jack O'Connor
Careerverified
Per 9 Inningsverified
21.71
21.71
Dan Jennings
Career
Per 9 Innings
2
0.05
Jack O'Connor
Careerverified
Per 9 Inningsverified
5
0.14
Dan Jennings
Career
Per 9 Innings
0
0
Jack O'Connor
Career
Per 9 Innings
0
0
Dan Jennings
Career
Per 9 Innings
0
0
Jack O'Connor
Career
Per 9 Innings
0
0
Dan Jennings
Career
Per 9 Innings
0
0
Jack O'Connor
Career
Per 9 Innings
0
0
Dan Jennings
Career
Per 9 Innings
0
0
Jack O'Connor
Career
Per 9 Innings
0
0

Hitting Stats for Dan Jennings and Jack O'Connor

Dan Jennings
Careerverified
Per 600 PAverified
8
8
Jack O'Connor
Career
Per 600 PA
6
Dan Jennings
Careerverified
Per 600 PAverified
390
58500
Jack O'Connor
Career
Per 600 PA
129
Dan Jennings
Careerverified
Per 600 PAverified
4
600
Jack O'Connor
Career
Per 600 PA
0
Dan Jennings
Careerverified
Per 600 PAverified
4
600
Jack O'Connor
Career
Per 600 PA
0
Dan Jennings
Careerverified
Per 600 PAverified
0.5
0.5
Jack O'Connor
Career
Per 600 PA
Dan Jennings
Careerverified
Per 600 PAverified
1.25
1.25
Jack O'Connor
Career
Per 600 PA
Dan Jennings
Careerverified
Per 600 PAverified
2
300
Jack O'Connor
Career
Per 600 PA
0
Dan Jennings
Careerverified
Per 600 PAverified
1
150
Jack O'Connor
Career
Per 600 PA
0
Dan Jennings
Careerverified
Per 600 PAverified
1
150
Jack O'Connor
Career
Per 600 PA
0
Dan Jennings
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Dan Jennings
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Dan Jennings
Careerverified
Per 600 PAverified
1
150
Jack O'Connor
Career
Per 600 PA
0
Dan Jennings
Careerverified
Per 600 PAverified
0.5
0.5
Jack O'Connor
Career
Per 600 PA
Dan Jennings
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
Dan Jennings
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
Dan Jennings
Careerverified
Per 600 PAverified
1.25
186.79
Jack O'Connor
Career
Per 600 PA
Dan Jennings
Careerverified
Per 600 PAverified
3
450
Jack O'Connor
Career
Per 600 PA
0
Dan Jennings
Careerverified
Per 600 PAverified
2
300
Jack O'Connor
Career
Per 600 PA
0
Dan Jennings
Careerverified
Per 600 PAverified
0.5
0.5
Jack O'Connor
Career
Per 600 PA
Dan Jennings
Careerverified
Per 600 PAverified
0.75
0.75
Jack O'Connor
Career
Per 600 PA
Dan Jennings
Careerverified
Per 600 PAverified
1.25
1.25
Jack O'Connor
Career
Per 600 PA
Dan Jennings
Careerverified
Per 600 PAverified
0.25
0.25
Jack O'Connor
Career
Per 600 PA
Dan Jennings
Careerverified
Per 600 PAverified
0.413
0.413
Jack O'Connor
Career
Per 600 PA
Dan Jennings
Careerverified
Per 600 PAverified
1.5
1.5
Jack O'Connor
Career
Per 600 PA
Dan Jennings
Careerverified
Per 600 PAverified
0.667
0.667
Jack O'Connor
Career
Per 600 PA
Dan Jennings
Careerverified
Per 600 PAverified
1
150
Jack O'Connor
Career
Per 600 PA
0
Dan Jennings
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Dan Jennings
Careerverified
Per 600 PAverified
1
150
Jack O'Connor
Career
Per 600 PA
0
Dan Jennings
Careerverified
Per 600 PAverified
1.2
180.17
Jack O'Connor
Career
Per 600 PA
Dan Jennings
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Dan Jennings
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Dan Jennings
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Dan Jennings
Career
Per 600 PA
1
150
Jack O'Connor
Careerverified
Per 600 PAverified
0
Dan Jennings
Careerverified
Per 600 PAverified
4
4
Jack O'Connor
Career
Per 600 PA
Dan Jennings
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
Dan Jennings
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Dan Jennings
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Dan Jennings
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Dan Jennings
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Dan Jennings
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Dan Jennings
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Dan Jennings
Career
Per 600 PA
Jack O'Connor
Career
Per 600 PA