Antonio Alfonseca vs. Jeriome Robertson — Career Comparison
Jeriome Robertson 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 5.71 and 1.660 for Jeriome Robertson. 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 Jeriome Robertson
Antonio Alfonseca
Career
Per 9 Innings
11
11
Jeriome Robertson
Career
Per 9 Innings
3
3
Antonio Alfonseca
Career
Per 9 Innings
592
8.69
Jeriome Robertson
Career
Per 9 Innings
51
2.49
Antonio Alfonseca
Career
Per 9 Innings
35
0.51
Jeriome Robertson
Career
Per 9 Innings
16
0.78
Antonio Alfonseca
Career
Per 9 Innings
37
0.54
Jeriome Robertson
Career
Per 9 Innings
12
0.59
Antonio Alfonseca
Career
Per 9 Innings
48.61
48.61
Jeriome Robertson
Career
Per 9 Innings
57.14
57.14
Antonio Alfonseca
Career
Per 9 Innings
0
0
Jeriome Robertson
Career
Per 9 Innings
62.75
62.75
Antonio Alfonseca
Career
Per 9 Innings
0
0
Jeriome Robertson
Career
Per 9 Innings
0
0
Antonio Alfonseca
Career
Per 9 Innings
280
4.11
Jeriome Robertson
Career
Per 9 Innings
117
5.71
Antonio Alfonseca
Career
Per 9 Innings
4.11
4.11
Jeriome Robertson
Career
Per 9 Innings
5.71
5.71
Antonio Alfonseca
Career
Per 9 Innings
4.67
4.67
Jeriome Robertson
Career
Per 9 Innings
5.78
5.78
Antonio Alfonseca
Career
Per 9 Innings
4.19
4.19
Jeriome Robertson
Career
Per 9 Innings
5.45
5.45
Antonio Alfonseca
Career
Per 9 Innings
0.284
0.284
Jeriome Robertson
Career
Per 9 Innings
0.297
0.297
Antonio Alfonseca
Career
Per 9 Innings
1839
27
Jeriome Robertson
Career
Per 9 Innings
553
27
Antonio Alfonseca
Career
Per 9 Innings
613
9
Jeriome Robertson
Career
Per 9 Innings
184.1
9
Antonio Alfonseca
Career
Per 9 Innings
677
9.94
Jeriome Robertson
Career
Per 9 Innings
215
10.5
Antonio Alfonseca
Career
Per 9 Innings
9.94
9.94
Jeriome Robertson
Career
Per 9 Innings
10.5
10.5
Antonio Alfonseca
Career
Per 9 Innings
55
0.81
Jeriome Robertson
Career
Per 9 Innings
32
1.56
Antonio Alfonseca
Career
Per 9 Innings
0.81
0.81
Jeriome Robertson
Career
Per 9 Innings
1.56
1.56
Antonio Alfonseca
Career
Per 9 Innings
0.09
0.09
Jeriome Robertson
Career
Per 9 Innings
0.63
0.63
Antonio Alfonseca
Career
Per 9 Innings
250
3.67
Jeriome Robertson
Career
Per 9 Innings
78
3.81
Antonio Alfonseca
Career
Per 9 Innings
45
0.66
Jeriome Robertson
Career
Per 9 Innings
13
0.63
Antonio Alfonseca
Career
Per 9 Innings
3.67
3.67
Jeriome Robertson
Career
Per 9 Innings
3.81
3.81
Antonio Alfonseca
Career
Per 9 Innings
400
5.87
Jeriome Robertson
Career
Per 9 Innings
111
5.42
Antonio Alfonseca
Career
Per 9 Innings
5.87
5.87
Jeriome Robertson
Career
Per 9 Innings
5.42
5.42
Antonio Alfonseca
Career
Per 9 Innings
0.68
0.68
Jeriome Robertson
Career
Per 9 Innings
2.18
2.18
Antonio Alfonseca
Career
Per 9 Innings
1.06
1.06
Jeriome Robertson
Career
Per 9 Innings
1.025
1.025
Antonio Alfonseca
Career
Per 9 Innings
13
0.19
Jeriome Robertson
Career
Per 9 Innings
4
0.2
Antonio Alfonseca
Career
Per 9 Innings
22
0.32
Jeriome Robertson
Career
Per 9 Innings
8
0.39
Antonio Alfonseca
Career
Per 9 Innings
2
0.03
Jeriome Robertson
Career
Per 9 Innings
2
0.1
Antonio Alfonseca
Career
Per 9 Innings
2710
39.79
Jeriome Robertson
Career
Per 9 Innings
832
40.62
Antonio Alfonseca
Career
Per 9 Innings
301
4.42
Jeriome Robertson
Career
Per 9 Innings
3
0.15
Antonio Alfonseca
Career
Per 9 Innings
296
4.35
Jeriome Robertson
Career
Per 9 Innings
128
6.25
Antonio Alfonseca
Career
Per 9 Innings
4.35
4.35
Jeriome Robertson
Career
Per 9 Innings
6.25
6.25
Antonio Alfonseca
Career
Per 9 Innings
36
0.53
Jeriome Robertson
Career
Per 9 Innings
13
0.63
Antonio Alfonseca
Career
Per 9 Innings
18
0.26
Jeriome Robertson
Career
Per 9 Innings
9
0.44
Antonio Alfonseca
Career
Per 9 Innings
79
1.16
Jeriome Robertson
Career
Per 9 Innings
15
0.73
Antonio Alfonseca
Career
Per 9 Innings
1.512
1.512
Jeriome Robertson
Career
Per 9 Innings
1.59
1.59
Antonio Alfonseca
Career
Per 9 Innings
2384
35
Jeriome Robertson
Career
Per 9 Innings
724
35.35
Antonio Alfonseca
Career
Per 9 Innings
0.5
0.5
Jeriome Robertson
Career
Per 9 Innings
2.51
2.51
Antonio Alfonseca
Career
Per 9 Innings
0.322
0.322
Jeriome Robertson
Career
Per 9 Innings
0.315
0.315
Antonio Alfonseca
Career
Per 9 Innings
39.79
39.79
Jeriome Robertson
Career
Per 9 Innings
40.62
40.62
Fielding Stats for Antonio Alfonseca and Jeriome Robertson
Antonio Alfonseca
Career
Per 9 Innings
11
11
Jeriome Robertson
Career
Per 9 Innings
3
3
Antonio Alfonseca
Career
Per 9 Innings
592
8.69
Jeriome Robertson
Career
Per 9 Innings
51
2.49
Antonio Alfonseca
Career
Per 9 Innings
0
0
Jeriome Robertson
Career
Per 9 Innings
32
1.56
Antonio Alfonseca
Career
Per 9 Innings
1839
27
Jeriome Robertson
Career
Per 9 Innings
553
27
Antonio Alfonseca
Career
Per 9 Innings
613
9
Jeriome Robertson
Career
Per 9 Innings
184.1
9
Antonio Alfonseca
Career
Per 9 Innings
31
0.46
Jeriome Robertson
Career
Per 9 Innings
13
0.63
Antonio Alfonseca
Career
Per 9 Innings
84
1.23
Jeriome Robertson
Career
Per 9 Innings
41
2
Antonio Alfonseca
Career
Per 9 Innings
4
0.06
Jeriome Robertson
Career
Per 9 Innings
4
0.2
Antonio Alfonseca
Career
Per 9 Innings
119
1.75
Jeriome Robertson
Career
Per 9 Innings
58
2.83
Antonio Alfonseca
Career
Per 9 Innings
115
1.69
Jeriome Robertson
Career
Per 9 Innings
54
2.64
Antonio Alfonseca
Career
Per 9 Innings
96.64
96.64
Jeriome Robertson
Career
Per 9 Innings
93.1
93.1
Antonio Alfonseca
Career
Per 9 Innings
0.194
0.194
Jeriome Robertson
Career
Per 9 Innings
1.059
1.059
Antonio Alfonseca
Career
Per 9 Innings
0
0
Jeriome Robertson
Career
Per 9 Innings
62.75
62.75
Antonio Alfonseca
Career
Per 9 Innings
8
0.12
Jeriome Robertson
Career
Per 9 Innings
3
0.15
Antonio Alfonseca
Career
Per 9 Innings
0
0
Jeriome Robertson
Career
Per 9 Innings
0
0
Antonio Alfonseca
Career
Per 9 Innings
0
0
Jeriome Robertson
Career
Per 9 Innings
0
0
Antonio Alfonseca
Career
Per 9 Innings
0
0
Jeriome Robertson
Career
Per 9 Innings
0
0
Hitting Stats for Antonio Alfonseca and Jeriome Robertson
Antonio Alfonseca
Career
Per 600 PA
592
23680
Jeriome Robertson
Career
Per 600 PA
52
537.93
Antonio Alfonseca
Career
Per 600 PA
15
600
Jeriome Robertson
Career
Per 600 PA
58
600
Antonio Alfonseca
Career
Per 600 PA
14
560
Jeriome Robertson
Career
Per 600 PA
52
537.93
Antonio Alfonseca
Career
Per 600 PA
0.143
0.143
Jeriome Robertson
Career
Per 600 PA
0.154
0.154
Antonio Alfonseca
Career
Per 600 PA
0.333
0.333
Jeriome Robertson
Career
Per 600 PA
0.422
0.422
Antonio Alfonseca
Career
Per 600 PA
2
80
Jeriome Robertson
Career
Per 600 PA
7
72.41
Antonio Alfonseca
Career
Per 600 PA
0
0
Jeriome Robertson
Career
Per 600 PA
0.125
0.125
Antonio Alfonseca
Career
Per 600 PA
0
0
Jeriome Robertson
Career
Per 600 PA
0
0
Antonio Alfonseca
Career
Per 600 PA
0.26
10.23
Jeriome Robertson
Career
Per 600 PA
1.37
14.16
Antonio Alfonseca
Career
Per 600 PA
2
80
Jeriome Robertson
Career
Per 600 PA
10
103.45
Antonio Alfonseca
Career
Per 600 PA
2
80
Jeriome Robertson
Career
Per 600 PA
9
93.1
Antonio Alfonseca
Career
Per 600 PA
0.143
0.143
Jeriome Robertson
Career
Per 600 PA
0.17
0.17
Antonio Alfonseca
Career
Per 600 PA
0.143
0.143
Jeriome Robertson
Career
Per 600 PA
0.192
0.192
Antonio Alfonseca
Career
Per 600 PA
0.286
0.286
Jeriome Robertson
Career
Per 600 PA
0.362
0.362
Antonio Alfonseca
Career
Per 600 PA
0
0
Jeriome Robertson
Career
Per 600 PA
0.039
0.039
Antonio Alfonseca
Career
Per 600 PA
0.1
0.1
Jeriome Robertson
Career
Per 600 PA
0.125
0.125
Antonio Alfonseca
Career
Per 600 PA
0.167
0.167
Jeriome Robertson
Career
Per 600 PA
0.239
0.239
Antonio Alfonseca
Career
Per 600 PA
0.333
0.333
Jeriome Robertson
Career
Per 600 PA
0.211
0.211
Antonio Alfonseca
Career
Per 600 PA
2
80
Jeriome Robertson
Career
Per 600 PA
7
72.41
Antonio Alfonseca
Career
Per 600 PA
-0.08
-3.25
Jeriome Robertson
Career
Per 600 PA
0.44
4.58
Antonio Alfonseca
Career
Per 600 PA
8
320
Jeriome Robertson
Career
Per 600 PA
14
144.83
Antonio Alfonseca
Career
Per 600 PA
1.88
1.88
Jeriome Robertson
Career
Per 600 PA
4.14
4.14
Antonio Alfonseca
Career
Per 600 PA
0
0
Jeriome Robertson
Career
Per 600 PA
0.07
0.07
Antonio Alfonseca
Career
Per 600 PA
1
40
Jeriome Robertson
Career
Per 600 PA
5
51.72
Antonio Alfonseca
Career
Per 600 PA
0
0
Jeriome Robertson
Career
Per 600 PA
2
20.69
Antonio Alfonseca
Career
Per 600 PA
0
0
Jeriome Robertson
Career
Per 600 PA
0
0