Antonio Alfonseca vs. Jack O'Connor — Career Comparison

Antonio Alfonseca
Gen XD.R.Throws RightBats RightCaribbeanFlorida MarlinsNational LeagueRelief Pitcher
Jack O'Connor
Baby BoomersCaliforniaThrows LeftBats LeftNorth AmericaMinnesota TwinsAmerican LeagueRelief Pitcher

The numbers give Antonio Alfonseca a clear advantage over Jack O'Connor across the core pitching metrics. Antonio Alfonseca led in home run suppression (HR9+ 126 vs 89), walk avoidance (BB%+ 108 vs 82), and run prevention (ERA+ 97 vs 80). Jack O'Connor held the edge in strikeout rate (K%+ 85 vs 81). Antonio Alfonseca was the better reliever — the numbers make that case clearly.

Pitching Stats for Antonio Alfonseca and Jack O'Connor

Antonio Alfonseca
Careerverified
Per 9 Inningsverified
11
11
Jack O'Connor
Career
Per 9 Innings
6
6
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
592
8.69
Jack O'Connor
Career
Per 9 Innings
129
3.64
Antonio Alfonseca
Career
Per 9 Innings
0
0
Jack O'Connor
Careerverified
Per 9 Inningsverified
28
0.79
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
35
0.51
Jack O'Connor
Career
Per 9 Innings
14
0.4
Antonio Alfonseca
Career
Per 9 Innings
37
0.54
Jack O'Connor
Careerverified
Per 9 Inningsverified
17
0.48
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
48.61
48.61
Jack O'Connor
Career
Per 9 Innings
45.16
45.16
Antonio Alfonseca
Career
Per 9 Innings
0
0
Jack O'Connor
Careerverified
Per 9 Inningsverified
21.71
21.71
Antonio Alfonseca
Career
Per 9 Innings
0
0
Jack O'Connor
Careerverified
Per 9 Inningsverified
6
0.17
Antonio Alfonseca
Career
Per 9 Innings
0
0
Jack O'Connor
Careerverified
Per 9 Inningsverified
1
0.03
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
129
1.89
Jack O'Connor
Career
Per 9 Innings
2
0.06
Antonio Alfonseca
Career
Per 9 Inningsverified
280
4.11
Jack O'Connor
Careerverified
Per 9 Innings
173
4.89
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
4.11
4.11
Jack O'Connor
Career
Per 9 Innings
4.89
4.89
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
4.67
4.67
Jack O'Connor
Career
Per 9 Innings
5.02
5.02
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
4.19
4.19
Jack O'Connor
Career
Per 9 Innings
4.93
4.93
Antonio Alfonseca
Career
Per 9 Innings
0.284
0.284
Jack O'Connor
Careerverified
Per 9 Inningsverified
0.278
0.278
Antonio Alfonseca
Careerverified
Per 9 Innings
1839
27
Jack O'Connor
Career
Per 9 Innings
956
27
Antonio Alfonseca
Careerverified
Per 9 Innings
613
9
Jack O'Connor
Career
Per 9 Innings
318.2
9
Antonio Alfonseca
Career
Per 9 Innings
677
9.94
Jack O'Connor
Careerverified
Per 9 Inningsverified
343
9.69
Antonio Alfonseca
Career
Per 9 Innings
9.94
9.94
Jack O'Connor
Careerverified
Per 9 Inningsverified
9.69
9.69
Antonio Alfonseca
Career
Per 9 Inningsverified
55
0.81
Jack O'Connor
Careerverified
Per 9 Innings
36
1.02
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
0.81
0.81
Jack O'Connor
Career
Per 9 Innings
1.02
1.02
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
0.09
0.09
Jack O'Connor
Career
Per 9 Innings
0.28
0.28
Antonio Alfonseca
Career
Per 9 Inningsverified
250
3.67
Jack O'Connor
Careerverified
Per 9 Innings
163
4.6
Antonio Alfonseca
Career
Per 9 Innings
45
0.66
Jack O'Connor
Careerverified
Per 9 Inningsverified
22
0.62
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
3.67
3.67
Jack O'Connor
Career
Per 9 Innings
4.6
4.6
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
400
5.87
Jack O'Connor
Career
Per 9 Innings
177
5
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
5.87
5.87
Jack O'Connor
Career
Per 9 Innings
5
5
Antonio Alfonseca
Career
Per 9 Innings
0.68
0.68
Jack O'Connor
Careerverified
Per 9 Inningsverified
1.37
1.37
Antonio Alfonseca
Career
Per 9 Innings
1.06
1.06
Jack O'Connor
Careerverified
Per 9 Inningsverified
1.067
1.067
Antonio Alfonseca
Career
Per 9 Inningsverified
13
0.19
Jack O'Connor
Careerverified
Per 9 Innings
10
0.28
Antonio Alfonseca
Career
Per 9 Innings
22
0.32
Jack O'Connor
Careerverified
Per 9 Inningsverified
4
0.11
Antonio Alfonseca
Career
Per 9 Inningsverified
2
0.03
Jack O'Connor
Career
Per 9 Innings
2
0.06
Antonio Alfonseca
Careerverified
Per 9 Innings
2710
39.79
Jack O'Connor
Career
Per 9 Inningsverified
1426
40.27
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
301
4.42
Jack O'Connor
Career
Per 9 Innings
37
1.04
Antonio Alfonseca
Career
Per 9 Inningsverified
296
4.35
Jack O'Connor
Careerverified
Per 9 Innings
187
5.28
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
4.35
4.35
Jack O'Connor
Career
Per 9 Innings
5.28
5.28
Antonio Alfonseca
Career
Per 9 Innings
36
0.53
Jack O'Connor
Careerverified
Per 9 Inningsverified
15
0.42
Antonio Alfonseca
Career
Per 9 Inningsverified
18
0.26
Jack O'Connor
Careerverified
Per 9 Innings
11
0.31
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
79
1.16
Jack O'Connor
Career
Per 9 Innings
36
1.02
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
1.512
1.512
Jack O'Connor
Career
Per 9 Innings
1.588
1.588
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
2384
35
Jack O'Connor
Career
Per 9 Innings
1233
34.82
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
0.5
0.5
Jack O'Connor
Career
Per 9 Innings
1.45
1.45
Antonio Alfonseca
Career
Per 9 Innings
0.322
0.322
Jack O'Connor
Careerverified
Per 9 Inningsverified
0.301
0.301
Antonio Alfonseca
Career
Per 9 Innings
39.79
39.79
Jack O'Connor
Careerverified
Per 9 Inningsverified
40.27
40.27

Fielding Stats for Antonio Alfonseca and Jack O'Connor

Antonio Alfonseca
Careerverified
Per 9 Inningsverified
11
11
Jack O'Connor
Career
Per 9 Innings
6
6
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
592
8.69
Jack O'Connor
Career
Per 9 Innings
129
3.64
Antonio Alfonseca
Career
Per 9 Innings
0
0
Jack O'Connor
Careerverified
Per 9 Inningsverified
28
0.79
Antonio Alfonseca
Careerverified
Per 9 Innings
1839
27
Jack O'Connor
Career
Per 9 Innings
956
27
Antonio Alfonseca
Careerverified
Per 9 Innings
613
9
Jack O'Connor
Career
Per 9 Innings
318.2
9
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
31
0.46
Jack O'Connor
Career
Per 9 Innings
10
0.28
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
84
1.23
Jack O'Connor
Career
Per 9 Innings
23
0.65
Antonio Alfonseca
Career
Per 9 Inningsverified
4
0.06
Jack O'Connor
Careerverified
Per 9 Innings
3
0.08
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
119
1.75
Jack O'Connor
Career
Per 9 Innings
36
1.02
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
115
1.69
Jack O'Connor
Career
Per 9 Innings
33
0.93
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
96.64
96.64
Jack O'Connor
Career
Per 9 Innings
91.67
91.67
Antonio Alfonseca
Career
Per 9 Innings
0.194
0.194
Jack O'Connor
Careerverified
Per 9 Inningsverified
0.256
0.256
Antonio Alfonseca
Career
Per 9 Innings
0
0
Jack O'Connor
Careerverified
Per 9 Inningsverified
21.71
21.71
Antonio Alfonseca
Careerverified
Per 9 Innings
8
0.12
Jack O'Connor
Career
Per 9 Inningsverified
5
0.14
Antonio Alfonseca
Career
Per 9 Innings
0
0
Jack O'Connor
Career
Per 9 Innings
0
0
Antonio Alfonseca
Career
Per 9 Innings
0
0
Jack O'Connor
Career
Per 9 Innings
0
0
Antonio Alfonseca
Career
Per 9 Innings
0
0
Jack O'Connor
Career
Per 9 Innings
0
0
Antonio Alfonseca
Career
Per 9 Innings
0
0
Jack O'Connor
Career
Per 9 Innings
0
0

Hitting Stats for Antonio Alfonseca and Jack O'Connor

Antonio Alfonseca
Careerverified
Per 600 PAverified
11
11
Jack O'Connor
Career
Per 600 PA
6
Antonio Alfonseca
Careerverified
Per 600 PAverified
592
23680
Jack O'Connor
Career
Per 600 PA
129
Antonio Alfonseca
Careerverified
Per 600 PAverified
15
600
Jack O'Connor
Career
Per 600 PA
0
Antonio Alfonseca
Careerverified
Per 600 PAverified
14
560
Jack O'Connor
Career
Per 600 PA
0
Antonio Alfonseca
Careerverified
Per 600 PAverified
0.143
0.143
Jack O'Connor
Career
Per 600 PA
Antonio Alfonseca
Careerverified
Per 600 PAverified
0.333
0.333
Jack O'Connor
Career
Per 600 PA
Antonio Alfonseca
Careerverified
Per 600 PAverified
2
80
Jack O'Connor
Career
Per 600 PA
0
Antonio Alfonseca
Careerverified
Per 600 PAverified
2
80
Jack O'Connor
Career
Per 600 PA
0
Antonio Alfonseca
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Antonio Alfonseca
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Antonio Alfonseca
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Antonio Alfonseca
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Antonio Alfonseca
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
Antonio Alfonseca
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
Antonio Alfonseca
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
Antonio Alfonseca
Careerverified
Per 600 PAverified
0.26
10.23
Jack O'Connor
Career
Per 600 PA
Antonio Alfonseca
Careerverified
Per 600 PAverified
2
80
Jack O'Connor
Career
Per 600 PA
0
Antonio Alfonseca
Careerverified
Per 600 PAverified
2
80
Jack O'Connor
Career
Per 600 PA
0
Antonio Alfonseca
Careerverified
Per 600 PAverified
0.143
0.143
Jack O'Connor
Career
Per 600 PA
Antonio Alfonseca
Careerverified
Per 600 PAverified
0.143
0.143
Jack O'Connor
Career
Per 600 PA
Antonio Alfonseca
Careerverified
Per 600 PAverified
0.286
0.286
Jack O'Connor
Career
Per 600 PA
Antonio Alfonseca
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
Antonio Alfonseca
Careerverified
Per 600 PAverified
0.1
0.1
Jack O'Connor
Career
Per 600 PA
Antonio Alfonseca
Careerverified
Per 600 PAverified
0.167
0.167
Jack O'Connor
Career
Per 600 PA
Antonio Alfonseca
Careerverified
Per 600 PAverified
0.333
0.333
Jack O'Connor
Career
Per 600 PA
Antonio Alfonseca
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Antonio Alfonseca
Careerverified
Per 600 PAverified
2
80
Jack O'Connor
Career
Per 600 PA
0
Antonio Alfonseca
Careerverified
Per 600 PAverified
2
80
Jack O'Connor
Career
Per 600 PA
0
Antonio Alfonseca
Careerverified
Per 600 PAverified
-0.08
-3.25
Jack O'Connor
Career
Per 600 PA
Antonio Alfonseca
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Antonio Alfonseca
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Antonio Alfonseca
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Antonio Alfonseca
Career
Per 600 PA
8
320
Jack O'Connor
Careerverified
Per 600 PAverified
0
Antonio Alfonseca
Careerverified
Per 600 PAverified
1.88
1.88
Jack O'Connor
Career
Per 600 PA
Antonio Alfonseca
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
Antonio Alfonseca
Careerverified
Per 600 PAverified
1
40
Jack O'Connor
Career
Per 600 PA
0
Antonio Alfonseca
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Antonio Alfonseca
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Antonio Alfonseca
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Antonio Alfonseca
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Antonio Alfonseca
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Antonio Alfonseca
Career
Per 600 PA
Jack O'Connor
Career
Per 600 PA