Antonio Alfonseca vs. Jimmy Key — Career Comparison

Antonio Alfonseca
Gen XD.R.Throws RightBats RightCaribbeanFlorida MarlinsNational LeagueRelief Pitcher
Jimmy Key
Baby BoomersAlabamaThrows LeftBats RightNorth AmericaToronto Blue JaysAmerican LeagueStarting PitcherAll-Star

Jimmy Key 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. Jimmy Key led in walk avoidance (BB%+ 151 vs 108), run prevention (ERA+ 121 vs 97), and strikeout rate (K%+ 90 vs 81). Antonio Alfonseca held the edge in home run suppression (HR9+ 126 vs 93). Role difference aside, Jimmy Key holds a clear edge on every meaningful shared measure.

Pitching Stats for Antonio Alfonseca and Jimmy Key

Antonio Alfonseca
Career
Per 9 Innings
11
11
Jimmy Key
Careerverified
Per 9 Inningsverified
15
15
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
592
8.69
Jimmy Key
Career
Per 9 Innings
470
1.63
Antonio Alfonseca
Career
Per 9 Innings
0
0
Jimmy Key
Careerverified
Per 9 Inningsverified
389
1.35
Antonio Alfonseca
Career
Per 9 Innings
35
0.51
Jimmy Key
Careerverified
Per 9 Inningsverified
186
0.65
Antonio Alfonseca
Careerverified
Per 9 Innings
37
0.54
Jimmy Key
Career
Per 9 Inningsverified
117
0.41
Antonio Alfonseca
Career
Per 9 Innings
48.61
48.61
Jimmy Key
Careerverified
Per 9 Inningsverified
61.39
61.39
Antonio Alfonseca
Career
Per 9 Innings
0
0
Jimmy Key
Careerverified
Per 9 Inningsverified
82.77
82.77
Antonio Alfonseca
Career
Per 9 Innings
0
0
Jimmy Key
Careerverified
Per 9 Inningsverified
34
0.12
Antonio Alfonseca
Career
Per 9 Innings
0
0
Jimmy Key
Careerverified
Per 9 Inningsverified
13
0.05
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
129
1.89
Jimmy Key
Career
Per 9 Innings
10
0.03
Antonio Alfonseca
Careerverified
Per 9 Innings
280
4.11
Jimmy Key
Career
Per 9 Inningsverified
1010
3.51
Antonio Alfonseca
Career
Per 9 Innings
4.11
4.11
Jimmy Key
Careerverified
Per 9 Inningsverified
3.51
3.51
Antonio Alfonseca
Career
Per 9 Innings
4.67
4.67
Jimmy Key
Careerverified
Per 9 Inningsverified
3.42
3.42
Antonio Alfonseca
Career
Per 9 Innings
4.19
4.19
Jimmy Key
Careerverified
Per 9 Inningsverified
3.9
3.9
Antonio Alfonseca
Career
Per 9 Innings
0.284
0.284
Jimmy Key
Careerverified
Per 9 Inningsverified
0.256
0.256
Antonio Alfonseca
Career
Per 9 Innings
1839
27
Jimmy Key
Careerverified
Per 9 Innings
7775
27
Antonio Alfonseca
Career
Per 9 Innings
613
9
Jimmy Key
Careerverified
Per 9 Innings
2591.2
9
Antonio Alfonseca
Careerverified
Per 9 Innings
677
9.94
Jimmy Key
Career
Per 9 Inningsverified
2518
8.74
Antonio Alfonseca
Career
Per 9 Innings
9.94
9.94
Jimmy Key
Careerverified
Per 9 Inningsverified
8.74
8.74
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
55
0.81
Jimmy Key
Career
Per 9 Innings
254
0.88
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
0.81
0.81
Jimmy Key
Career
Per 9 Innings
0.88
0.88
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
0.09
0.09
Jimmy Key
Career
Per 9 Innings
0.54
0.54
Antonio Alfonseca
Careerverified
Per 9 Innings
250
3.67
Jimmy Key
Career
Per 9 Inningsverified
668
2.32
Antonio Alfonseca
Career
Per 9 Innings
45
0.66
Jimmy Key
Careerverified
Per 9 Inningsverified
29
0.1
Antonio Alfonseca
Career
Per 9 Innings
3.67
3.67
Jimmy Key
Careerverified
Per 9 Inningsverified
2.32
2.32
Antonio Alfonseca
Career
Per 9 Inningsverified
400
5.87
Jimmy Key
Careerverified
Per 9 Innings
1538
5.34
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
5.87
5.87
Jimmy Key
Career
Per 9 Innings
5.34
5.34
Antonio Alfonseca
Career
Per 9 Innings
0.68
0.68
Jimmy Key
Careerverified
Per 9 Inningsverified
3.27
3.27
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
1.06
1.06
Jimmy Key
Career
Per 9 Innings
0.851
0.851
Antonio Alfonseca
Careerverified
Per 9 Innings
13
0.19
Jimmy Key
Career
Per 9 Inningsverified
50
0.17
Antonio Alfonseca
Careerverified
Per 9 Innings
22
0.32
Jimmy Key
Career
Per 9 Inningsverified
38
0.13
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
2
0.03
Jimmy Key
Career
Per 9 Innings
12
0.04
Antonio Alfonseca
Career
Per 9 Inningsverified
2710
39.79
Jimmy Key
Careerverified
Per 9 Innings
10719
37.22
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
301
4.42
Jimmy Key
Career
Per 9 Innings
28
0.1
Antonio Alfonseca
Careerverified
Per 9 Innings
296
4.35
Jimmy Key
Career
Per 9 Inningsverified
1104
3.83
Antonio Alfonseca
Career
Per 9 Innings
4.35
4.35
Jimmy Key
Careerverified
Per 9 Inningsverified
3.83
3.83
Antonio Alfonseca
Careerverified
Per 9 Innings
36
0.53
Jimmy Key
Career
Per 9 Inningsverified
88
0.31
Antonio Alfonseca
Careerverified
Per 9 Innings
18
0.26
Jimmy Key
Career
Per 9 Inningsverified
69
0.24
Antonio Alfonseca
Career
Per 9 Inningsverified
79
1.16
Jimmy Key
Careerverified
Per 9 Innings
234
0.81
Antonio Alfonseca
Career
Per 9 Innings
1.512
1.512
Jimmy Key
Careerverified
Per 9 Inningsverified
1.229
1.229
Antonio Alfonseca
Career
Per 9 Inningsverified
2384
35
Jimmy Key
Careerverified
Per 9 Innings
9856
34.23
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
0.5
0.5
Jimmy Key
Career
Per 9 Innings
2.35
2.35
Antonio Alfonseca
Career
Per 9 Innings
0.322
0.322
Jimmy Key
Careerverified
Per 9 Inningsverified
0.281
0.281
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
39.79
39.79
Jimmy Key
Career
Per 9 Innings
37.22
37.22

Fielding Stats for Antonio Alfonseca and Jimmy Key

Antonio Alfonseca
Career
Per 9 Innings
11
11
Jimmy Key
Careerverified
Per 9 Inningsverified
15
15
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
592
8.69
Jimmy Key
Career
Per 9 Innings
470
1.63
Antonio Alfonseca
Career
Per 9 Innings
0
0
Jimmy Key
Careerverified
Per 9 Inningsverified
389
1.35
Antonio Alfonseca
Career
Per 9 Innings
1839
27
Jimmy Key
Careerverified
Per 9 Innings
7775
27
Antonio Alfonseca
Career
Per 9 Innings
613
9
Jimmy Key
Careerverified
Per 9 Innings
2591.2
9
Antonio Alfonseca
Career
Per 9 Innings
31
0.46
Jimmy Key
Careerverified
Per 9 Inningsverified
172
0.6
Antonio Alfonseca
Career
Per 9 Innings
84
1.23
Jimmy Key
Careerverified
Per 9 Inningsverified
452
1.57
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
4
0.06
Jimmy Key
Career
Per 9 Innings
22
0.08
Antonio Alfonseca
Career
Per 9 Innings
119
1.75
Jimmy Key
Careerverified
Per 9 Inningsverified
646
2.24
Antonio Alfonseca
Career
Per 9 Innings
115
1.69
Jimmy Key
Careerverified
Per 9 Inningsverified
624
2.17
Antonio Alfonseca
Careerverified
Per 9 Inningsverified
96.64
96.64
Jimmy Key
Career
Per 9 Innings
96.59
96.59
Antonio Alfonseca
Career
Per 9 Innings
0.194
0.194
Jimmy Key
Careerverified
Per 9 Inningsverified
1.328
1.328
Antonio Alfonseca
Career
Per 9 Innings
0
0
Jimmy Key
Careerverified
Per 9 Inningsverified
82.77
82.77
Antonio Alfonseca
Career
Per 9 Innings
8
0.12
Jimmy Key
Careerverified
Per 9 Innings
35
0.12
Antonio Alfonseca
Career
Per 9 Innings
0
0
Jimmy Key
Career
Per 9 Innings
0
0
Antonio Alfonseca
Career
Per 9 Innings
0
0
Jimmy Key
Career
Per 9 Innings
0
0
Antonio Alfonseca
Career
Per 9 Innings
0
0
Jimmy Key
Career
Per 9 Innings
0
0
Antonio Alfonseca
Career
Per 9 Innings
0
0
Jimmy Key
Career
Per 9 Innings
0
0

Hitting Stats for Antonio Alfonseca and Jimmy Key

Antonio Alfonseca
Career
Per 600 PA
11
11
Jimmy Key
Careerverified
Per 600 PAverified
15
15
Antonio Alfonseca
Careerverified
Per 600 PA
592
23680
Jimmy Key
Career
Per 600 PAverified
471
94200
Antonio Alfonseca
Careerverified
Per 600 PA
15
600
Jimmy Key
Career
Per 600 PA
3
600
Antonio Alfonseca
Careerverified
Per 600 PAverified
14
560
Jimmy Key
Career
Per 600 PA
2
400
Antonio Alfonseca
Careerverified
Per 600 PAverified
0.143
0.143
Jimmy Key
Career
Per 600 PA
0
0
Antonio Alfonseca
Career
Per 600 PA
0.333
0.333
Jimmy Key
Career
Per 600 PA
0.333
0.333
Antonio Alfonseca
Careerverified
Per 600 PAverified
2
80
Jimmy Key
Career
Per 600 PA
0
0
Antonio Alfonseca
Careerverified
Per 600 PAverified
2
80
Jimmy Key
Career
Per 600 PA
0
0
Antonio Alfonseca
Career
Per 600 PA
0
0
Jimmy Key
Career
Per 600 PA
0
0
Antonio Alfonseca
Career
Per 600 PA
0
0
Jimmy Key
Career
Per 600 PA
0
0
Antonio Alfonseca
Career
Per 600 PA
0
0
Jimmy Key
Career
Per 600 PA
0
0
Antonio Alfonseca
Career
Per 600 PA
0
0
Jimmy Key
Career
Per 600 PA
0
0
Antonio Alfonseca
Career
Per 600 PA
0
0
Jimmy Key
Career
Per 600 PA
Antonio Alfonseca
Career
Per 600 PA
0
0
Jimmy Key
Career
Per 600 PA
0
0
Antonio Alfonseca
Career
Per 600 PA
0
0
Jimmy Key
Career
Per 600 PA
Antonio Alfonseca
Careerverified
Per 600 PAverified
0.26
10.23
Jimmy Key
Career
Per 600 PA
0
0
Antonio Alfonseca
Careerverified
Per 600 PAverified
2
80
Jimmy Key
Career
Per 600 PA
0
0
Antonio Alfonseca
Careerverified
Per 600 PAverified
2
80
Jimmy Key
Career
Per 600 PA
0
0
Antonio Alfonseca
Careerverified
Per 600 PAverified
0.143
0.143
Jimmy Key
Career
Per 600 PA
0
0
Antonio Alfonseca
Careerverified
Per 600 PAverified
0.143
0.143
Jimmy Key
Career
Per 600 PA
0
0
Antonio Alfonseca
Careerverified
Per 600 PAverified
0.286
0.286
Jimmy Key
Career
Per 600 PA
0
0
Antonio Alfonseca
Career
Per 600 PA
0
0
Jimmy Key
Career
Per 600 PA
0
0
Antonio Alfonseca
Careerverified
Per 600 PAverified
0.1
0.1
Jimmy Key
Career
Per 600 PA
0
0
Antonio Alfonseca
Careerverified
Per 600 PAverified
0.167
0.167
Jimmy Key
Career
Per 600 PA
0
0
Antonio Alfonseca
Careerverified
Per 600 PAverified
0.333
0.333
Jimmy Key
Career
Per 600 PA
Antonio Alfonseca
Career
Per 600 PA
0
0
Jimmy Key
Career
Per 600 PA
0
0
Antonio Alfonseca
Careerverified
Per 600 PAverified
2
80
Jimmy Key
Career
Per 600 PA
0
0
Antonio Alfonseca
Careerverified
Per 600 PAverified
2
80
Jimmy Key
Career
Per 600 PA
0
0
Antonio Alfonseca
Careerverified
Per 600 PAverified
-0.08
-3.25
Jimmy Key
Career
Per 600 PA
-0.19
-38.03
Antonio Alfonseca
Career
Per 600 PA
0
0
Jimmy Key
Career
Per 600 PA
0
0
Antonio Alfonseca
Career
Per 600 PA
0
0
Jimmy Key
Career
Per 600 PA
0
0
Antonio Alfonseca
Career
Per 600 PA
0
0
Jimmy Key
Career
Per 600 PA
0
0
Antonio Alfonseca
Career
Per 600 PAverified
8
320
Jimmy Key
Careerverified
Per 600 PA
2
400
Antonio Alfonseca
Careerverified
Per 600 PAverified
1.88
1.88
Jimmy Key
Career
Per 600 PA
1.5
1.5
Antonio Alfonseca
Career
Per 600 PA
0
0
Jimmy Key
Career
Per 600 PA
0
0
Antonio Alfonseca
Career
Per 600 PA
1
40
Jimmy Key
Career
Per 600 PAverified
1
200
Antonio Alfonseca
Career
Per 600 PA
0
0
Jimmy Key
Career
Per 600 PA
0
0
Antonio Alfonseca
Career
Per 600 PA
0
0
Jimmy Key
Career
Per 600 PA
0
0
Antonio Alfonseca
Career
Per 600 PA
0
0
Jimmy Key
Career
Per 600 PA
0
0
Antonio Alfonseca
Career
Per 600 PA
0
0
Jimmy Key
Career
Per 600 PA
0
0
Antonio Alfonseca
Career
Per 600 PA
0
0
Jimmy Key
Career
Per 600 PA
0
0
Antonio Alfonseca
Career
Per 600 PA
Jimmy Key
Career
Per 600 PA