Antonio Alfonseca vs. Shang Johnson — Career Comparison
Shang Johnson built a career as a starting pitcher and Antonio Alfonseca as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Antonio Alfonseca posted stronger surface numbers — ERA 4.11 and WHIP 1.586 compared to 4.18 and 1.347 for Shang Johnson. By the career numbers, Antonio Alfonseca had the better of this cross-role comparison — though era context would sharpen the verdict.
Pitching Stats for Antonio Alfonseca and Shang Johnson
Antonio Alfonseca
Career
Per 9 Innings
592
8.69
Shang Johnson
Career
Per 9 Innings
17
1.73
Antonio Alfonseca
Career
Per 9 Innings
35
0.51
Shang Johnson
Career
Per 9 Innings
3
0.31
Antonio Alfonseca
Career
Per 9 Innings
37
0.54
Shang Johnson
Career
Per 9 Innings
2
0.2
Antonio Alfonseca
Career
Per 9 Innings
48.61
48.61
Shang Johnson
Career
Per 9 Innings
60
60
Antonio Alfonseca
Career
Per 9 Innings
0
0
Shang Johnson
Career
Per 9 Innings
47.06
47.06
Antonio Alfonseca
Career
Per 9 Innings
280
4.11
Shang Johnson
Career
Per 9 Innings
41
4.18
Antonio Alfonseca
Career
Per 9 Innings
4.11
4.11
Shang Johnson
Career
Per 9 Innings
4.18
4.18
Antonio Alfonseca
Career
Per 9 Innings
4.67
4.67
Shang Johnson
Career
Per 9 Innings
3.79
3.79
Antonio Alfonseca
Career
Per 9 Innings
4.19
4.19
Shang Johnson
Career
Per 9 Innings
3.42
3.42
Antonio Alfonseca
Career
Per 9 Innings
0.284
0.284
Shang Johnson
Career
Per 9 Innings
0.298
0.298
Antonio Alfonseca
Career
Per 9 Innings
1839
27
Shang Johnson
Career
Per 9 Innings
265
27
Antonio Alfonseca
Career
Per 9 Innings
613
9
Shang Johnson
Career
Per 9 Innings
88.1
9
Antonio Alfonseca
Career
Per 9 Innings
677
9.94
Shang Johnson
Career
Per 9 Innings
90
9.17
Antonio Alfonseca
Career
Per 9 Innings
9.94
9.94
Shang Johnson
Career
Per 9 Innings
9.17
9.17
Antonio Alfonseca
Career
Per 9 Innings
55
0.81
Shang Johnson
Career
Per 9 Innings
2
0.2
Antonio Alfonseca
Career
Per 9 Innings
0.81
0.81
Shang Johnson
Career
Per 9 Innings
0.2
0.2
Antonio Alfonseca
Career
Per 9 Innings
0.09
0.09
Shang Johnson
Career
Per 9 Innings
0.12
0.12
Antonio Alfonseca
Career
Per 9 Innings
250
3.67
Shang Johnson
Career
Per 9 Innings
29
2.95
Antonio Alfonseca
Career
Per 9 Innings
45
0.66
Shang Johnson
Career
Per 9 Innings
0
0
Antonio Alfonseca
Career
Per 9 Innings
3.67
3.67
Shang Johnson
Career
Per 9 Innings
2.95
2.95
Antonio Alfonseca
Career
Per 9 Innings
400
5.87
Shang Johnson
Career
Per 9 Innings
38
3.87
Antonio Alfonseca
Career
Per 9 Innings
5.87
5.87
Shang Johnson
Career
Per 9 Innings
3.87
3.87
Antonio Alfonseca
Career
Per 9 Innings
0.68
0.68
Shang Johnson
Career
Per 9 Innings
2.24
2.24
Antonio Alfonseca
Career
Per 9 Innings
1.06
1.06
Shang Johnson
Career
Per 9 Innings
0.759
0.759
Antonio Alfonseca
Career
Per 9 Innings
2710
39.79
Shang Johnson
Career
Per 9 Innings
339
34.54
Antonio Alfonseca
Career
Per 9 Innings
301
4.42
Shang Johnson
Career
Per 9 Innings
5
0.51
Antonio Alfonseca
Career
Per 9 Innings
296
4.35
Shang Johnson
Career
Per 9 Innings
56
5.71
Antonio Alfonseca
Career
Per 9 Innings
4.35
4.35
Shang Johnson
Career
Per 9 Innings
5.71
5.71
Antonio Alfonseca
Career
Per 9 Innings
36
0.53
Shang Johnson
Career
Per 9 Innings
8
0.82
Antonio Alfonseca
Career
Per 9 Innings
18
0.26
Shang Johnson
Career
Per 9 Innings
0
0
Antonio Alfonseca
Career
Per 9 Innings
79
1.16
Shang Johnson
Career
Per 9 Innings
2
0.2
Antonio Alfonseca
Career
Per 9 Innings
1.512
1.512
Shang Johnson
Career
Per 9 Innings
1.347
1.347
Antonio Alfonseca
Career
Per 9 Innings
2384
35
Shang Johnson
Career
Per 9 Innings
302
30.77
Antonio Alfonseca
Career
Per 9 Innings
0.5
0.5
Shang Johnson
Career
Per 9 Innings
3.29
3.29
Antonio Alfonseca
Career
Per 9 Innings
0.322
0.322
Shang Johnson
Career
Per 9 Innings
0.336
0.336
Antonio Alfonseca
Career
Per 9 Innings
39.79
39.79
Shang Johnson
Career
Per 9 Innings
34.54
34.54
Fielding Stats for Antonio Alfonseca and Shang Johnson
Antonio Alfonseca
Career
Per 9 Innings
11
11
Shang Johnson
Career
Per 9 Innings
5
5
Antonio Alfonseca
Career
Per 9 Innings
592
8.69
Shang Johnson
Career
Per 9 Innings
18
2.02
Antonio Alfonseca
Career
Per 9 Innings
0
0
Shang Johnson
Career
Per 9 Innings
4
0.45
Antonio Alfonseca
Career
Per 9 Innings
1839
27
Shang Johnson
Career
Per 9 Innings
241
27
Antonio Alfonseca
Career
Per 9 Innings
613
9
Shang Johnson
Career
Per 9 Innings
80.1
9
Antonio Alfonseca
Career
Per 9 Innings
84
1.23
Shang Johnson
Career
Per 9 Innings
18
2.02
Antonio Alfonseca
Career
Per 9 Innings
4
0.06
Shang Johnson
Career
Per 9 Innings
2
0.22
Antonio Alfonseca
Career
Per 9 Innings
119
1.75
Shang Johnson
Career
Per 9 Innings
20
2.24
Antonio Alfonseca
Career
Per 9 Innings
115
1.69
Shang Johnson
Career
Per 9 Innings
18
2.02
Antonio Alfonseca
Career
Per 9 Innings
96.64
96.64
Shang Johnson
Career
Per 9 Innings
90
90
Antonio Alfonseca
Career
Per 9 Innings
0.194
0.194
Shang Johnson
Career
Per 9 Innings
1
1
Antonio Alfonseca
Career
Per 9 Innings
0
0
Shang Johnson
Career
Per 9 Innings
22.22
22.22
Antonio Alfonseca
Career
Per 9 Innings
0
0
Shang Johnson
Career
Per 9 Innings
0
0
Antonio Alfonseca
Career
Per 9 Innings
0
0
Shang Johnson
Career
Per 9 Innings
0
0
Antonio Alfonseca
Career
Per 9 Innings
0
0
Shang Johnson
Career
Per 9 Innings
0
0
Hitting Stats for Antonio Alfonseca and Shang Johnson
Antonio Alfonseca
Career
Per 600 PA
592
23680
Shang Johnson
Career
Per 600 PA
21
293.02
Antonio Alfonseca
Career
Per 600 PA
15
600
Shang Johnson
Career
Per 600 PA
43
600
Antonio Alfonseca
Career
Per 600 PA
14
560
Shang Johnson
Career
Per 600 PA
37
516.28
Antonio Alfonseca
Career
Per 600 PA
0.143
0.143
Shang Johnson
Career
Per 600 PA
0.27
0.27
Antonio Alfonseca
Career
Per 600 PA
0.333
0.333
Shang Johnson
Career
Per 600 PA
0.64
0.64
Antonio Alfonseca
Career
Per 600 PA
0.26
10.23
Shang Johnson
Career
Per 600 PA
3.29
45.84
Antonio Alfonseca
Career
Per 600 PA
2
80
Shang Johnson
Career
Per 600 PA
10
139.53
Antonio Alfonseca
Career
Per 600 PA
2
80
Shang Johnson
Career
Per 600 PA
13
181.4
Antonio Alfonseca
Career
Per 600 PA
0.143
0.143
Shang Johnson
Career
Per 600 PA
0.325
0.325
Antonio Alfonseca
Career
Per 600 PA
0.143
0.143
Shang Johnson
Career
Per 600 PA
0.27
0.27
Antonio Alfonseca
Career
Per 600 PA
0.286
0.286
Shang Johnson
Career
Per 600 PA
0.595
0.595
Antonio Alfonseca
Career
Per 600 PA
0.1
0.1
Shang Johnson
Career
Per 600 PA
0.214
0.214
Antonio Alfonseca
Career
Per 600 PA
0.167
0.167
Shang Johnson
Career
Per 600 PA
0.482
0.482
Antonio Alfonseca
Career
Per 600 PA
0.333
0.333
Shang Johnson
Career
Per 600 PA
0.27
0.27
Antonio Alfonseca
Career
Per 600 PA
2
80
Shang Johnson
Career
Per 600 PA
3
41.86
Antonio Alfonseca
Career
Per 600 PA
-0.08
-3.25
Shang Johnson
Career
Per 600 PA
4.49
62.66
Antonio Alfonseca
Career
Per 600 PA
1.88
1.88
Shang Johnson
Career
Per 600 PA
Antonio Alfonseca
Career
Per 600 PA
1
40
Shang Johnson
Career
Per 600 PA
3
41.86
Antonio Alfonseca
Career
Per 600 PA
0
0
Shang Johnson
Career
Per 600 PA
0
0