Antonio Alfonseca Career Pitching Summary

  • May 7, 2025

Antonio Alfonseca played in Major League Baseball from 1997 to 2007, appearing in 592 games over 11 seasons. He recorded a total of 35 W and 37 L, an ERA of 4.11, 400 SO, a WHIP of 1.512, and a WAR of 3.7.

🧾 Basic Profile

Antonio Alfonseca
NameAntonio Alfonseca
Date of BirthApril 16, 1972
Nationality
Dominican Republic
PositionPitcher
ThrowsRight
BatsRight
MLB Debut1997
Beautiful Chart

Antonio Alfonseca Yearly Pitching Stats

This chart shows the season-by-season changes in ERA, SO, and IP for Antonio Alfonseca.

Parsing Data

Data Source: Baseball Reference

Image Source: Wikipedia

📊 Career Summary

Antonio Alfonseca appeared in 592 games over 11 MLB seasons from 1997 to 2007. Below are his cumulative stats and MLB all-time rankings:

GS0 (MLB Rank: 8,004)
GF301 (MLB Rank: 116)
W35 (MLB Rank: 2,013)
L37 (MLB Rank: 2,066)
SV129 (MLB Rank: 117)
ERA4.11 (MLB Rank: 4,613)
IP613 (MLB Rank: 2,149)
SO400 (MLB Rank: 1,977)
BB250 (MLB Rank: 1,971)
H677 (MLB Rank: 1,947)
HR55 (MLB Rank: 1,885)
SO95.87 (MLB Rank: 4,274)
BB93.67 (MLB Rank: 6,184)
H99.94 (MLB Rank: 4,682)
HR90.81 (MLB Rank: 5,468)
WHIP1.512 (MLB Rank: 5,347)
WAR3.7 (MLB Rank: 2,494)

📊 Last Season Summary (2007)

In his final season (2007), Antonio Alfonseca recorded the following stats:

GS0
GF22
W5
L2
SV8
ERA5.44
IP49.2
SO24
BB27
H65
HR3
SO94.35
BB94.89
H911.78
HR90.54
WHIP1.852
WAR−0.6

📈 Seasonal Highlights

  • Most Wins: 2004, 6 W
  • Most SO: 2002, 61 SO
  • Most IP: 1999, 77.2 IP
  • Best WAR: 1999, 1.5 WAR
  • Best ERA: 2004, 2.58 ERA

🎯 Postseason Performance

Antonio Alfonseca appeared in 12 games during the postseason. He recorded an ERA of 1.34, pitched 13.4 IP, struck out 5 batters, with 1 W and 0 L.

Antonio Alfonseca Career Pitching Stats Overview

seasonWLERAW-L%SVSOIPWARWHIPHRHBBRERERA+FIPSO9SO/BBGSGGFCGSHOHR9H9BB9BKHBPIBBWPBF
1997
1
3
4.91
0.25
0
19
25.2
-0.3
1.792
3
36
10
16
14
83
4.43
6.7
1.9
0
17
2
0
0
1.1
12.6
3.5
0
1
3
1
123
1998
4
6
4.08
0.4
8
46
70.2
0.1
1.528
10
75
33
36
32
99
5.21
5.9
1.39
0
58
27
0
0
1.3
9.6
4.2
0
3
9
1
316
1999
4
5
3.24
0.444
21
46
77.2
1.5
1.391
4
79
29
28
28
133
3.89
5.3
1.59
0
73
49
0
0
0.5
9.2
3.4
0
4
6
1
325
2000
5
6
4.24
0.455
45
47
70
0.5
1.514
7
82
24
35
33
104
4.16
6
1.96
0
68
62
0
0
0.9
10.5
3.1
2
1
3
0
311
2001
4
4
3.06
0.5
28
40
61.2
0.9
1.346
6
68
15
24
21
139
3.99
5.8
2.67
0
58
52
0
0
0.9
9.9
2.2
0
5
3
2
268
2002
2
5
4
0.286
19
61
74.1
0.8
1.466
5
73
36
34
33
101
3.77
7.4
1.69
0
66
55
0
0
0.6
8.8
4.4
0
3
3
1
330
2003
3
1
5.83
0.75
0
51
66.1
-0.5
1.553
7
76
27
43
43
75
4.18
6.9
1.89
0
60
17
0
0
0.9
10.3
3.7
0
2
3
0
296
2004
6
4
2.57
0.6
0
45
73.2
1.4
1.344
5
71
28
24
21
167
3.85
5.5
1.61
0
79
11
0
0
0.6
8.7
3.4
0
0
5
5
313
2005
1
1
4.94
0.5
0
16
27.1
0
1.573
2
29
14
15
15
82
4.56
5.3
1.14
0
33
1
0
0
0.7
9.5
4.6
0
2
4
1
118
2006
0
0
5.63
0
0
5
16
-0.1
1.875
3
23
7
10
10
84
6.27
2.8
0.71
0
19
3
0
0
1.7
12.9
3.9
0
0
0
0
74
2007
5
2
5.44
0.714
8
24
49.2
-0.6
1.852
3
65
27
31
30
85
4.75
4.3
0.89
0
61
22
0
0
0.5
11.8
4.9
0
1
6
1
236