John Halama vs. Jimmy Key — Career Comparison

John Halama
Gen XNew YorkThrows LeftBats LeftNorth AmericaSeattle MarinersAmerican LeagueStarting Pitcher
Jimmy Key
Baby BoomersAlabamaThrows LeftBats RightNorth AmericaToronto Blue JaysAmerican LeagueStarting PitcherAll-Star

The numbers give Jimmy Key a clear advantage over John Halama across the core pitching metrics. Jimmy Key led in walk avoidance (BB%+ 151 vs 129), run prevention (ERA+ 121 vs 105), and strikeout rate (K%+ 90 vs 76). John Halama held the edge in home run suppression (HR9+ 97 vs 93). Jimmy Key was the better starter — the numbers make that case clearly.

Pitching Stats for John Halama and Jimmy Key

John Halama
Career
Per 9 Innings
9
9
Jimmy Key
Careerverified
Per 9 Inningsverified
15
15
John Halama
Career
Per 9 Inningsverified
262
2.59
Jimmy Key
Careerverified
Per 9 Innings
470
1.63
John Halama
Career
Per 9 Innings
119
1.18
Jimmy Key
Careerverified
Per 9 Inningsverified
389
1.35
John Halama
Career
Per 9 Innings
56
0.55
Jimmy Key
Careerverified
Per 9 Inningsverified
186
0.65
John Halama
Careerverified
Per 9 Innings
48
0.47
Jimmy Key
Career
Per 9 Inningsverified
117
0.41
John Halama
Career
Per 9 Innings
53.85
53.85
Jimmy Key
Careerverified
Per 9 Inningsverified
61.39
61.39
John Halama
Career
Per 9 Innings
45.42
45.42
Jimmy Key
Careerverified
Per 9 Inningsverified
82.77
82.77
John Halama
Career
Per 9 Innings
2
0.02
Jimmy Key
Careerverified
Per 9 Inningsverified
34
0.12
John Halama
Career
Per 9 Innings
2
0.02
Jimmy Key
Careerverified
Per 9 Inningsverified
13
0.05
John Halama
Career
Per 9 Innings
0
0
Jimmy Key
Careerverified
Per 9 Inningsverified
10
0.03
John Halama
Careerverified
Per 9 Innings
471
4.65
Jimmy Key
Career
Per 9 Inningsverified
1010
3.51
John Halama
Career
Per 9 Innings
4.65
4.65
Jimmy Key
Careerverified
Per 9 Inningsverified
3.51
3.51
John Halama
Career
Per 9 Innings
4.87
4.87
Jimmy Key
Careerverified
Per 9 Inningsverified
3.42
3.42
John Halama
Career
Per 9 Innings
4.57
4.57
Jimmy Key
Careerverified
Per 9 Inningsverified
3.9
3.9
John Halama
Career
Per 9 Innings
0.29
0.29
Jimmy Key
Careerverified
Per 9 Inningsverified
0.256
0.256
John Halama
Career
Per 9 Innings
2733
27
Jimmy Key
Careerverified
Per 9 Innings
7775
27
John Halama
Career
Per 9 Innings
911
9
Jimmy Key
Careerverified
Per 9 Innings
2591.2
9
John Halama
Careerverified
Per 9 Innings
1048
10.35
Jimmy Key
Career
Per 9 Inningsverified
2518
8.74
John Halama
Career
Per 9 Innings
10.35
10.35
Jimmy Key
Careerverified
Per 9 Inningsverified
8.74
8.74
John Halama
Careerverified
Per 9 Innings
113
1.12
Jimmy Key
Career
Per 9 Inningsverified
254
0.88
John Halama
Career
Per 9 Innings
1.12
1.12
Jimmy Key
Careerverified
Per 9 Inningsverified
0.88
0.88
John Halama
Careerverified
Per 9 Inningsverified
0.43
0.43
Jimmy Key
Career
Per 9 Innings
0.54
0.54
John Halama
Careerverified
Per 9 Innings
277
2.74
Jimmy Key
Career
Per 9 Inningsverified
668
2.32
John Halama
Careerverified
Per 9 Innings
18
0.18
Jimmy Key
Career
Per 9 Inningsverified
29
0.1
John Halama
Career
Per 9 Innings
2.74
2.74
Jimmy Key
Careerverified
Per 9 Inningsverified
2.32
2.32
John Halama
Career
Per 9 Innings
492
4.86
Jimmy Key
Careerverified
Per 9 Inningsverified
1538
5.34
John Halama
Career
Per 9 Innings
4.86
4.86
Jimmy Key
Careerverified
Per 9 Inningsverified
5.34
5.34
John Halama
Career
Per 9 Innings
1.88
1.88
Jimmy Key
Careerverified
Per 9 Inningsverified
3.27
3.27
John Halama
Career
Per 9 Innings
0.844
0.844
Jimmy Key
Careerverified
Per 9 Inningsverified
0.851
0.851
John Halama
Careerverified
Per 9 Innings
20
0.2
Jimmy Key
Career
Per 9 Inningsverified
50
0.17
John Halama
Careerverified
Per 9 Innings
37
0.37
Jimmy Key
Career
Per 9 Inningsverified
38
0.13
John Halama
Careerverified
Per 9 Innings
7
0.07
Jimmy Key
Career
Per 9 Inningsverified
12
0.04
John Halama
Career
Per 9 Inningsverified
3996
39.48
Jimmy Key
Careerverified
Per 9 Innings
10719
37.22
John Halama
Careerverified
Per 9 Inningsverified
58
0.57
Jimmy Key
Career
Per 9 Innings
28
0.1
John Halama
Careerverified
Per 9 Innings
531
5.25
Jimmy Key
Career
Per 9 Inningsverified
1104
3.83
John Halama
Career
Per 9 Innings
5.25
5.25
Jimmy Key
Careerverified
Per 9 Inningsverified
3.83
3.83
John Halama
Careerverified
Per 9 Inningsverified
29
0.29
Jimmy Key
Career
Per 9 Innings
88
0.31
John Halama
Careerverified
Per 9 Innings
34
0.34
Jimmy Key
Career
Per 9 Inningsverified
69
0.24
John Halama
Career
Per 9 Inningsverified
100
0.99
Jimmy Key
Careerverified
Per 9 Innings
234
0.81
John Halama
Career
Per 9 Innings
1.454
1.454
Jimmy Key
Careerverified
Per 9 Inningsverified
1.229
1.229
John Halama
Career
Per 9 Inningsverified
3619
35.75
Jimmy Key
Careerverified
Per 9 Innings
9856
34.23
John Halama
Careerverified
Per 9 Inningsverified
2.03
2.03
Jimmy Key
Career
Per 9 Innings
2.35
2.35
John Halama
Career
Per 9 Innings
0.31
0.31
Jimmy Key
Careerverified
Per 9 Inningsverified
0.281
0.281
John Halama
Careerverified
Per 9 Inningsverified
39.48
39.48
Jimmy Key
Career
Per 9 Innings
37.22
37.22

Fielding Stats for John Halama and Jimmy Key

John Halama
Career
Per 9 Innings
9
9
Jimmy Key
Careerverified
Per 9 Inningsverified
15
15
John Halama
Career
Per 9 Inningsverified
262
2.59
Jimmy Key
Careerverified
Per 9 Innings
470
1.63
John Halama
Career
Per 9 Innings
119
1.18
Jimmy Key
Careerverified
Per 9 Inningsverified
389
1.35
John Halama
Career
Per 9 Innings
2733
27
Jimmy Key
Careerverified
Per 9 Innings
7775
27
John Halama
Career
Per 9 Innings
911
9
Jimmy Key
Careerverified
Per 9 Innings
2591.2
9
John Halama
Career
Per 9 Innings
44
0.43
Jimmy Key
Careerverified
Per 9 Inningsverified
172
0.6
John Halama
Career
Per 9 Innings
158
1.56
Jimmy Key
Careerverified
Per 9 Inningsverified
452
1.57
John Halama
Careerverified
Per 9 Innings
11
0.11
Jimmy Key
Career
Per 9 Inningsverified
22
0.08
John Halama
Career
Per 9 Innings
213
2.1
Jimmy Key
Careerverified
Per 9 Inningsverified
646
2.24
John Halama
Career
Per 9 Innings
202
2
Jimmy Key
Careerverified
Per 9 Inningsverified
624
2.17
John Halama
Career
Per 9 Innings
94.84
94.84
Jimmy Key
Careerverified
Per 9 Inningsverified
96.59
96.59
John Halama
Career
Per 9 Innings
0.771
0.771
Jimmy Key
Careerverified
Per 9 Inningsverified
1.328
1.328
John Halama
Career
Per 9 Innings
45.42
45.42
Jimmy Key
Careerverified
Per 9 Inningsverified
82.77
82.77
John Halama
Career
Per 9 Innings
11
0.11
Jimmy Key
Careerverified
Per 9 Inningsverified
35
0.12
John Halama
Career
Per 9 Innings
0
0
Jimmy Key
Career
Per 9 Innings
0
0
John Halama
Career
Per 9 Innings
0
0
Jimmy Key
Career
Per 9 Innings
0
0
John Halama
Career
Per 9 Innings
0
0
Jimmy Key
Career
Per 9 Innings
0
0
John Halama
Career
Per 9 Innings
0
0
Jimmy Key
Career
Per 9 Innings
0
0

Hitting Stats for John Halama and Jimmy Key

John Halama
Career
Per 600 PA
9
9
Jimmy Key
Careerverified
Per 600 PAverified
15
15
John Halama
Career
Per 600 PA
262
4912.5
Jimmy Key
Careerverified
Per 600 PAverified
471
94200
John Halama
Careerverified
Per 600 PA
32
600
Jimmy Key
Career
Per 600 PA
3
600
John Halama
Careerverified
Per 600 PAverified
26
487.5
Jimmy Key
Career
Per 600 PA
2
400
John Halama
Careerverified
Per 600 PAverified
0.115
0.115
Jimmy Key
Career
Per 600 PA
0
0
John Halama
Careerverified
Per 600 PAverified
0.453
0.453
Jimmy Key
Career
Per 600 PA
0.333
0.333
John Halama
Careerverified
Per 600 PAverified
3
56.25
Jimmy Key
Career
Per 600 PA
0
0
John Halama
Careerverified
Per 600 PAverified
2
37.5
Jimmy Key
Career
Per 600 PA
0
0
John Halama
Careerverified
Per 600 PAverified
1
18.75
Jimmy Key
Career
Per 600 PA
0
0
John Halama
Career
Per 600 PA
0
0
Jimmy Key
Career
Per 600 PA
0
0
John Halama
Career
Per 600 PA
0
0
Jimmy Key
Career
Per 600 PA
0
0
John Halama
Careerverified
Per 600 PAverified
1
18.75
Jimmy Key
Career
Per 600 PA
0
0
John Halama
Careerverified
Per 600 PAverified
0.333
0.333
Jimmy Key
Career
Per 600 PA
John Halama
Career
Per 600 PA
0
0
Jimmy Key
Career
Per 600 PA
0
0
John Halama
Career
Per 600 PA
0
0
Jimmy Key
Career
Per 600 PA
John Halama
Careerverified
Per 600 PAverified
0.77
14.39
Jimmy Key
Career
Per 600 PA
0
0
John Halama
Careerverified
Per 600 PAverified
4
75
Jimmy Key
Career
Per 600 PA
0
0
John Halama
Careerverified
Per 600 PAverified
6
112.5
Jimmy Key
Career
Per 600 PA
0
0
John Halama
Careerverified
Per 600 PAverified
0.207
0.207
Jimmy Key
Career
Per 600 PA
0
0
John Halama
Careerverified
Per 600 PAverified
0.154
0.154
Jimmy Key
Career
Per 600 PA
0
0
John Halama
Careerverified
Per 600 PAverified
0.361
0.361
Jimmy Key
Career
Per 600 PA
0
0
John Halama
Careerverified
Per 600 PAverified
0.038
0.038
Jimmy Key
Career
Per 600 PA
0
0
John Halama
Careerverified
Per 600 PAverified
0.132
0.132
Jimmy Key
Career
Per 600 PA
0
0
John Halama
Careerverified
Per 600 PAverified
0.292
0.292
Jimmy Key
Career
Per 600 PA
0
0
John Halama
Careerverified
Per 600 PAverified
0.214
0.214
Jimmy Key
Career
Per 600 PA
John Halama
Careerverified
Per 600 PAverified
2
37.5
Jimmy Key
Career
Per 600 PA
0
0
John Halama
Career
Per 600 PA
0
0
Jimmy Key
Career
Per 600 PA
0
0
John Halama
Careerverified
Per 600 PAverified
2
37.5
Jimmy Key
Career
Per 600 PA
0
0
John Halama
Careerverified
Per 600 PAverified
0.19
3.5
Jimmy Key
Career
Per 600 PA
-0.19
-38.03
John Halama
Career
Per 600 PA
0
0
Jimmy Key
Career
Per 600 PA
0
0
John Halama
Careerverified
Per 600 PAverified
3
56.25
Jimmy Key
Career
Per 600 PA
0
0
John Halama
Career
Per 600 PA
0
0
Jimmy Key
Career
Per 600 PA
0
0
John Halama
Career
Per 600 PAverified
12
225
Jimmy Key
Careerverified
Per 600 PA
2
400
John Halama
Careerverified
Per 600 PAverified
2.67
2.67
Jimmy Key
Career
Per 600 PA
1.5
1.5
John Halama
Careerverified
Per 600 PAverified
0.25
0.25
Jimmy Key
Career
Per 600 PA
0
0
John Halama
Careerverified
Per 600 PA
3
56.25
Jimmy Key
Career
Per 600 PAverified
1
200
John Halama
Career
Per 600 PA
0
0
Jimmy Key
Career
Per 600 PA
0
0
John Halama
Career
Per 600 PA
1
18.75
Jimmy Key
Careerverified
Per 600 PAverified
0
0
John Halama
Career
Per 600 PA
0
0
Jimmy Key
Career
Per 600 PA
0
0
John Halama
Career
Per 600 PA
0
0
Jimmy Key
Career
Per 600 PA
0
0
John Halama
Career
Per 600 PA
0
0
Jimmy Key
Career
Per 600 PA
0
0
John Halama
Career
Per 600 PA
Jimmy Key
Career
Per 600 PA