Antonio Alfonseca vs. Dutch Leonard — Career Comparison
Dutch Leonard 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. Dutch Leonard posted stronger surface numbers — ERA 3.25 and WHIP 1.256 compared to 4.11 and 1.586 for Antonio Alfonseca. By the career numbers, Dutch Leonard had the better of this cross-role comparison — though era context would sharpen the verdict.
Pitching Stats for Antonio Alfonseca and Dutch Leonard
Antonio Alfonseca
Career
Per 9 Innings
11
11
Dutch Leonard
Career
Per 9 Innings
20
20
Antonio Alfonseca
Career
Per 9 Innings
592
8.69
Dutch Leonard
Career
Per 9 Innings
640
1.79
Antonio Alfonseca
Career
Per 9 Innings
35
0.51
Dutch Leonard
Career
Per 9 Innings
191
0.53
Antonio Alfonseca
Career
Per 9 Innings
37
0.54
Dutch Leonard
Career
Per 9 Innings
181
0.51
Antonio Alfonseca
Career
Per 9 Innings
48.61
48.61
Dutch Leonard
Career
Per 9 Innings
51.34
51.34
Antonio Alfonseca
Career
Per 9 Innings
0
0
Dutch Leonard
Career
Per 9 Innings
58.44
58.44
Antonio Alfonseca
Career
Per 9 Innings
0
0
Dutch Leonard
Career
Per 9 Innings
192
0.54
Antonio Alfonseca
Career
Per 9 Innings
129
1.89
Dutch Leonard
Career
Per 9 Innings
44
0.12
Antonio Alfonseca
Career
Per 9 Innings
280
4.11
Dutch Leonard
Career
Per 9 Innings
1162
3.25
Antonio Alfonseca
Career
Per 9 Innings
4.11
4.11
Dutch Leonard
Career
Per 9 Innings
3.25
3.25
Antonio Alfonseca
Career
Per 9 Innings
4.67
4.67
Dutch Leonard
Career
Per 9 Innings
3.28
3.28
Antonio Alfonseca
Career
Per 9 Innings
4.19
4.19
Dutch Leonard
Career
Per 9 Innings
3.65
3.65
Antonio Alfonseca
Career
Per 9 Innings
0.284
0.284
Dutch Leonard
Career
Per 9 Innings
0.26
0.26
Antonio Alfonseca
Career
Per 9 Innings
1839
27
Dutch Leonard
Career
Per 9 Innings
9655
27
Antonio Alfonseca
Career
Per 9 Innings
613
9
Dutch Leonard
Career
Per 9 Innings
3218.1
9
Antonio Alfonseca
Career
Per 9 Innings
677
9.94
Dutch Leonard
Career
Per 9 Innings
3304
9.24
Antonio Alfonseca
Career
Per 9 Innings
9.94
9.94
Dutch Leonard
Career
Per 9 Innings
9.24
9.24
Antonio Alfonseca
Career
Per 9 Innings
55
0.81
Dutch Leonard
Career
Per 9 Innings
158
0.44
Antonio Alfonseca
Career
Per 9 Innings
0.81
0.81
Dutch Leonard
Career
Per 9 Innings
0.44
0.44
Antonio Alfonseca
Career
Per 9 Innings
0.09
0.09
Dutch Leonard
Career
Per 9 Innings
0.25
0.25
Antonio Alfonseca
Career
Per 9 Innings
250
3.67
Dutch Leonard
Career
Per 9 Innings
737
2.06
Antonio Alfonseca
Career
Per 9 Innings
45
0.66
Dutch Leonard
Career
Per 9 Innings
0
0
Antonio Alfonseca
Career
Per 9 Innings
3.67
3.67
Dutch Leonard
Career
Per 9 Innings
2.06
2.06
Antonio Alfonseca
Career
Per 9 Innings
400
5.87
Dutch Leonard
Career
Per 9 Innings
1170
3.27
Antonio Alfonseca
Career
Per 9 Innings
5.87
5.87
Dutch Leonard
Career
Per 9 Innings
3.27
3.27
Antonio Alfonseca
Career
Per 9 Innings
0.68
0.68
Dutch Leonard
Career
Per 9 Innings
1.83
1.83
Antonio Alfonseca
Career
Per 9 Innings
1.06
1.06
Dutch Leonard
Career
Per 9 Innings
0.593
0.593
Antonio Alfonseca
Career
Per 9 Innings
13
0.19
Dutch Leonard
Career
Per 9 Innings
97
0.27
Antonio Alfonseca
Career
Per 9 Innings
22
0.32
Dutch Leonard
Career
Per 9 Innings
56
0.16
Antonio Alfonseca
Career
Per 9 Innings
2
0.03
Dutch Leonard
Career
Per 9 Innings
6
0.02
Antonio Alfonseca
Career
Per 9 Innings
2710
39.79
Dutch Leonard
Career
Per 9 Innings
13487
37.72
Antonio Alfonseca
Career
Per 9 Innings
301
4.42
Dutch Leonard
Career
Per 9 Innings
171
0.48
Antonio Alfonseca
Career
Per 9 Innings
296
4.35
Dutch Leonard
Career
Per 9 Innings
1432
4
Antonio Alfonseca
Career
Per 9 Innings
4.35
4.35
Dutch Leonard
Career
Per 9 Innings
4
4
Antonio Alfonseca
Career
Per 9 Innings
36
0.53
Dutch Leonard
Career
Per 9 Innings
0
0
Antonio Alfonseca
Career
Per 9 Innings
18
0.26
Dutch Leonard
Career
Per 9 Innings
0
0
Antonio Alfonseca
Career
Per 9 Innings
79
1.16
Dutch Leonard
Career
Per 9 Innings
0
0
Antonio Alfonseca
Career
Per 9 Innings
1.512
1.512
Dutch Leonard
Career
Per 9 Innings
1.256
1.256
Antonio Alfonseca
Career
Per 9 Innings
2384
35
Dutch Leonard
Career
Per 9 Innings
12694
35.5
Antonio Alfonseca
Career
Per 9 Innings
0.5
0.5
Dutch Leonard
Career
Per 9 Innings
2.24
2.24
Antonio Alfonseca
Career
Per 9 Innings
0.322
0.322
Dutch Leonard
Career
Per 9 Innings
0.277
0.277
Antonio Alfonseca
Career
Per 9 Innings
39.79
39.79
Dutch Leonard
Career
Per 9 Innings
37.72
37.72
Fielding Stats for Antonio Alfonseca and Dutch Leonard
Antonio Alfonseca
Career
Per 9 Innings
592
8.69
Dutch Leonard
Career
Per 9 Innings
640
Antonio Alfonseca
Career
Per 9 Innings
31
0.46
Dutch Leonard
Career
Per 9 Innings
174
Antonio Alfonseca
Career
Per 9 Innings
84
1.23
Dutch Leonard
Career
Per 9 Innings
719
Antonio Alfonseca
Career
Per 9 Innings
119
1.75
Dutch Leonard
Career
Per 9 Innings
925
Antonio Alfonseca
Career
Per 9 Innings
115
1.69
Dutch Leonard
Career
Per 9 Innings
893
Antonio Alfonseca
Career
Per 9 Innings
96.64
96.64
Dutch Leonard
Career
Per 9 Innings
96.54
Antonio Alfonseca
Career
Per 9 Innings
0.194
0.194
Dutch Leonard
Career
Per 9 Innings
1.395
Antonio Alfonseca
Career
Per 9 Innings
8
0.12
Dutch Leonard
Career
Per 9 Innings
41
Antonio Alfonseca
Career
Per 9 Innings
0
0
Dutch Leonard
Career
Per 9 Innings
0
Antonio Alfonseca
Career
Per 9 Innings
0
0
Dutch Leonard
Career
Per 9 Innings
0
Hitting Stats for Antonio Alfonseca and Dutch Leonard
Antonio Alfonseca
Career
Per 600 PA
592
23680
Dutch Leonard
Career
Per 600 PA
640
330.75
Antonio Alfonseca
Career
Per 600 PA
15
600
Dutch Leonard
Career
Per 600 PA
1161
600
Antonio Alfonseca
Career
Per 600 PA
14
560
Dutch Leonard
Career
Per 600 PA
1054
544.7
Antonio Alfonseca
Career
Per 600 PA
0.143
0.143
Dutch Leonard
Career
Per 600 PA
0.168
0.168
Antonio Alfonseca
Career
Per 600 PA
0.333
0.333
Dutch Leonard
Career
Per 600 PA
0.43
0.43
Antonio Alfonseca
Career
Per 600 PA
0
0
Dutch Leonard
Career
Per 600 PA
0.124
0.124
Antonio Alfonseca
Career
Per 600 PA
0.26
10.23
Dutch Leonard
Career
Per 600 PA
31.89
16.48
Antonio Alfonseca
Career
Per 600 PA
2
80
Dutch Leonard
Career
Per 600 PA
203
104.91
Antonio Alfonseca
Career
Per 600 PA
2
80
Dutch Leonard
Career
Per 600 PA
199
102.84
Antonio Alfonseca
Career
Per 600 PA
0.143
0.143
Dutch Leonard
Career
Per 600 PA
0.185
0.185
Antonio Alfonseca
Career
Per 600 PA
0.143
0.143
Dutch Leonard
Career
Per 600 PA
0.193
0.193
Antonio Alfonseca
Career
Per 600 PA
0.286
0.286
Dutch Leonard
Career
Per 600 PA
0.378
0.378
Antonio Alfonseca
Career
Per 600 PA
0.1
0.1
Dutch Leonard
Career
Per 600 PA
0.131
0.131
Antonio Alfonseca
Career
Per 600 PA
0.167
0.167
Dutch Leonard
Career
Per 600 PA
0.25
0.25
Antonio Alfonseca
Career
Per 600 PA
0.333
0.333
Dutch Leonard
Career
Per 600 PA
0.203
0.203
Antonio Alfonseca
Career
Per 600 PA
2
80
Dutch Leonard
Career
Per 600 PA
122
63.05
Antonio Alfonseca
Career
Per 600 PA
-0.08
-3.25
Dutch Leonard
Career
Per 600 PA
19.84
10.25
Antonio Alfonseca
Career
Per 600 PA
8
320
Dutch Leonard
Career
Per 600 PA
183
94.57
Antonio Alfonseca
Career
Per 600 PA
1.88
1.88
Dutch Leonard
Career
Per 600 PA
6.34
6.34
Antonio Alfonseca
Career
Per 600 PA
0
0
Dutch Leonard
Career
Per 600 PA
0.11
0.11
Antonio Alfonseca
Career
Per 600 PA
1
40
Dutch Leonard
Career
Per 600 PA
85
43.93
Antonio Alfonseca
Career
Per 600 PA
0
0
Dutch Leonard
Career
Per 600 PA
27
13.95