John Halama vs. Roger Nelson — Career Comparison

John Halama
Gen XNew YorkThrows LeftBats LeftNorth AmericaSeattle MarinersAmerican LeagueStarting Pitcher
Roger Nelson
Silent GenerationCaliforniaThrows RightBats RightNorth AmericaKansas City RoyalsAmerican LeagueStarting Pitcher

The numbers give Roger Nelson a clear advantage over John Halama across the core pitching metrics. Roger Nelson led in home run suppression (HR9+ 125 vs 97), run prevention (ERA+ 128 vs 105), and strikeout rate (K%+ 98 vs 76). Roger Nelson was the better starter — the numbers make that case clearly.

Pitching Stats for John Halama and Roger Nelson

John Halama
Career
Per 9 Innings
9
9
Roger Nelson
Career
Per 9 Innings
9
9
John Halama
Careerverified
Per 9 Inningsverified
262
2.59
Roger Nelson
Career
Per 9 Innings
135
1.91
John Halama
Careerverified
Per 9 Inningsverified
119
1.18
Roger Nelson
Career
Per 9 Innings
77
1.09
John Halama
Careerverified
Per 9 Inningsverified
56
0.55
Roger Nelson
Career
Per 9 Innings
29
0.41
John Halama
Career
Per 9 Innings
48
0.47
Roger Nelson
Careerverified
Per 9 Inningsverified
32
0.45
John Halama
Careerverified
Per 9 Inningsverified
53.85
53.85
Roger Nelson
Career
Per 9 Innings
47.54
47.54
John Halama
Career
Per 9 Innings
45.42
45.42
Roger Nelson
Careerverified
Per 9 Inningsverified
57.04
57.04
John Halama
Career
Per 9 Innings
2
0.02
Roger Nelson
Careerverified
Per 9 Inningsverified
20
0.28
John Halama
Career
Per 9 Innings
2
0.02
Roger Nelson
Careerverified
Per 9 Inningsverified
7
0.1
John Halama
Career
Per 9 Innings
0
0
Roger Nelson
Careerverified
Per 9 Inningsverified
4
0.06
John Halama
Career
Per 9 Innings
471
4.65
Roger Nelson
Careerverified
Per 9 Inningsverified
216
3.06
John Halama
Career
Per 9 Innings
4.65
4.65
Roger Nelson
Careerverified
Per 9 Inningsverified
3.06
3.06
John Halama
Career
Per 9 Innings
4.87
4.87
Roger Nelson
Careerverified
Per 9 Inningsverified
2.62
2.62
John Halama
Career
Per 9 Innings
4.57
4.57
Roger Nelson
Careerverified
Per 9 Inningsverified
3.71
3.71
John Halama
Career
Per 9 Innings
0.29
0.29
Roger Nelson
Careerverified
Per 9 Inningsverified
0.222
0.222
John Halama
Careerverified
Per 9 Innings
2733
27
Roger Nelson
Career
Per 9 Innings
1909
27
John Halama
Careerverified
Per 9 Innings
911
9
Roger Nelson
Career
Per 9 Innings
636.1
9
John Halama
Career
Per 9 Innings
1048
10.35
Roger Nelson
Careerverified
Per 9 Inningsverified
516
7.3
John Halama
Career
Per 9 Innings
10.35
10.35
Roger Nelson
Careerverified
Per 9 Inningsverified
7.3
7.3
John Halama
Career
Per 9 Innings
113
1.12
Roger Nelson
Careerverified
Per 9 Inningsverified
44
0.62
John Halama
Career
Per 9 Innings
1.12
1.12
Roger Nelson
Careerverified
Per 9 Inningsverified
0.62
0.62
John Halama
Career
Per 9 Innings
0.43
0.43
Roger Nelson
Careerverified
Per 9 Inningsverified
0.33
0.33
John Halama
Career
Per 9 Innings
277
2.74
Roger Nelson
Careerverified
Per 9 Inningsverified
190
2.69
John Halama
Career
Per 9 Innings
18
0.18
Roger Nelson
Careerverified
Per 9 Inningsverified
11
0.16
John Halama
Career
Per 9 Innings
2.74
2.74
Roger Nelson
Careerverified
Per 9 Inningsverified
2.69
2.69
John Halama
Careerverified
Per 9 Innings
492
4.86
Roger Nelson
Career
Per 9 Inningsverified
371
5.25
John Halama
Career
Per 9 Innings
4.86
4.86
Roger Nelson
Careerverified
Per 9 Inningsverified
5.25
5.25
John Halama
Career
Per 9 Innings
1.88
1.88
Roger Nelson
Careerverified
Per 9 Inningsverified
2.75
2.75
John Halama
Career
Per 9 Innings
0.844
0.844
Roger Nelson
Careerverified
Per 9 Inningsverified
0.882
0.882
John Halama
Careerverified
Per 9 Inningsverified
20
0.2
Roger Nelson
Career
Per 9 Innings
25
0.35
John Halama
Career
Per 9 Innings
37
0.37
Roger Nelson
Careerverified
Per 9 Inningsverified
17
0.24
John Halama
Career
Per 9 Innings
7
0.07
Roger Nelson
Careerverified
Per 9 Inningsverified
2
0.03
John Halama
Careerverified
Per 9 Inningsverified
3996
39.48
Roger Nelson
Career
Per 9 Innings
2556
36.15
John Halama
Careerverified
Per 9 Inningsverified
58
0.57
Roger Nelson
Career
Per 9 Innings
22
0.31
John Halama
Career
Per 9 Innings
531
5.25
Roger Nelson
Careerverified
Per 9 Inningsverified
234
3.31
John Halama
Career
Per 9 Innings
5.25
5.25
Roger Nelson
Careerverified
Per 9 Inningsverified
3.31
3.31
John Halama
Career
Per 9 Innings
29
0.29
Roger Nelson
Careerverified
Per 9 Inningsverified
13
0.18
John Halama
Career
Per 9 Innings
34
0.34
Roger Nelson
Careerverified
Per 9 Inningsverified
11
0.16
John Halama
Careerverified
Per 9 Inningsverified
100
0.99
Roger Nelson
Career
Per 9 Innings
14
0.2
John Halama
Career
Per 9 Innings
1.454
1.454
Roger Nelson
Careerverified
Per 9 Inningsverified
1.11
1.11
John Halama
Careerverified
Per 9 Inningsverified
3619
35.75
Roger Nelson
Career
Per 9 Innings
2325
32.88
John Halama
Career
Per 9 Innings
2.03
2.03
Roger Nelson
Careerverified
Per 9 Inningsverified
1.73
1.73
John Halama
Career
Per 9 Innings
0.31
0.31
Roger Nelson
Careerverified
Per 9 Inningsverified
0.247
0.247
John Halama
Careerverified
Per 9 Inningsverified
39.48
39.48
Roger Nelson
Career
Per 9 Innings
36.15
36.15

Fielding Stats for John Halama and Roger Nelson

John Halama
Career
Per 9 Innings
9
9
Roger Nelson
Career
Per 9 Innings
9
9
John Halama
Careerverified
Per 9 Inningsverified
262
2.59
Roger Nelson
Career
Per 9 Innings
135
1.91
John Halama
Careerverified
Per 9 Inningsverified
119
1.18
Roger Nelson
Career
Per 9 Innings
77
1.09
John Halama
Careerverified
Per 9 Innings
2733
27
Roger Nelson
Career
Per 9 Innings
1908
27
John Halama
Careerverified
Per 9 Innings
911
9
Roger Nelson
Career
Per 9 Innings
636
9
John Halama
Careerverified
Per 9 Innings
44
0.43
Roger Nelson
Career
Per 9 Inningsverified
43
0.61
John Halama
Careerverified
Per 9 Inningsverified
158
1.56
Roger Nelson
Career
Per 9 Innings
103
1.46
John Halama
Career
Per 9 Innings
11
0.11
Roger Nelson
Careerverified
Per 9 Innings
8
0.11
John Halama
Careerverified
Per 9 Innings
213
2.1
Roger Nelson
Career
Per 9 Inningsverified
154
2.18
John Halama
Careerverified
Per 9 Innings
202
2
Roger Nelson
Career
Per 9 Inningsverified
146
2.07
John Halama
Careerverified
Per 9 Inningsverified
94.84
94.84
Roger Nelson
Career
Per 9 Innings
94.81
94.81
John Halama
Career
Per 9 Innings
0.771
0.771
Roger Nelson
Careerverified
Per 9 Inningsverified
1.082
1.082
John Halama
Career
Per 9 Innings
45.42
45.42
Roger Nelson
Careerverified
Per 9 Inningsverified
57.04
57.04
John Halama
Careerverified
Per 9 Innings
11
0.11
Roger Nelson
Career
Per 9 Innings
8
0.11
John Halama
Career
Per 9 Innings
0
0
Roger Nelson
Career
Per 9 Innings
0
0
John Halama
Career
Per 9 Innings
0
0
Roger Nelson
Career
Per 9 Innings
0
0
John Halama
Career
Per 9 Innings
0
0
Roger Nelson
Career
Per 9 Innings
0
0
John Halama
Career
Per 9 Innings
0
0
Roger Nelson
Career
Per 9 Innings
0
0

Hitting Stats for John Halama and Roger Nelson

John Halama
Career
Per 600 PA
9
9
Roger Nelson
Career
Per 600 PA
9
9
John Halama
Careerverified
Per 600 PAverified
262
4912.5
Roger Nelson
Career
Per 600 PA
135
389.42
John Halama
Career
Per 600 PA
32
600
Roger Nelson
Careerverified
Per 600 PA
208
600
John Halama
Career
Per 600 PA
26
487.5
Roger Nelson
Careerverified
Per 600 PAverified
180
519.23
John Halama
Career
Per 600 PA
0.115
0.115
Roger Nelson
Careerverified
Per 600 PAverified
0.128
0.128
John Halama
Careerverified
Per 600 PAverified
0.453
0.453
Roger Nelson
Career
Per 600 PA
0.392
0.392
John Halama
Career
Per 600 PA
3
56.25
Roger Nelson
Careerverified
Per 600 PAverified
23
66.35
John Halama
Career
Per 600 PA
2
37.5
Roger Nelson
Careerverified
Per 600 PAverified
22
63.46
John Halama
Careerverified
Per 600 PAverified
1
18.75
Roger Nelson
Career
Per 600 PA
0
0
John Halama
Career
Per 600 PA
0
0
Roger Nelson
Careerverified
Per 600 PAverified
1
2.88
John Halama
Career
Per 600 PA
0
0
Roger Nelson
Career
Per 600 PA
0
0
John Halama
Career
Per 600 PAverified
1
18.75
Roger Nelson
Career
Per 600 PA
1
2.88
John Halama
Careerverified
Per 600 PAverified
0.333
0.333
Roger Nelson
Career
Per 600 PA
0.044
0.044
John Halama
Career
Per 600 PA
0
0
Roger Nelson
Career
Per 600 PA
0
0
John Halama
Career
Per 600 PA
0
0
Roger Nelson
Career
Per 600 PA
0
0
John Halama
Career
Per 600 PAverified
0.77
14.39
Roger Nelson
Careerverified
Per 600 PA
4.41
12.72
John Halama
Career
Per 600 PAverified
4
75
Roger Nelson
Careerverified
Per 600 PA
25
72.12
John Halama
Career
Per 600 PAverified
6
112.5
Roger Nelson
Careerverified
Per 600 PA
34
98.08
John Halama
Careerverified
Per 600 PAverified
0.207
0.207
Roger Nelson
Career
Per 600 PA
0.177
0.177
John Halama
Careerverified
Per 600 PAverified
0.154
0.154
Roger Nelson
Career
Per 600 PA
0.139
0.139
John Halama
Careerverified
Per 600 PAverified
0.361
0.361
Roger Nelson
Career
Per 600 PA
0.316
0.316
John Halama
Careerverified
Per 600 PAverified
0.038
0.038
Roger Nelson
Career
Per 600 PA
0.011
0.011
John Halama
Careerverified
Per 600 PAverified
0.132
0.132
Roger Nelson
Career
Per 600 PA
0.114
0.114
John Halama
Careerverified
Per 600 PAverified
0.292
0.292
Roger Nelson
Career
Per 600 PA
0.228
0.228
John Halama
Careerverified
Per 600 PAverified
0.214
0.214
Roger Nelson
Career
Per 600 PA
0.187
0.187
John Halama
Career
Per 600 PAverified
2
37.5
Roger Nelson
Careerverified
Per 600 PA
12
34.62
John Halama
Career
Per 600 PA
0
0
Roger Nelson
Careerverified
Per 600 PAverified
8
23.08
John Halama
Career
Per 600 PA
2
37.5
Roger Nelson
Careerverified
Per 600 PAverified
20
57.69
John Halama
Career
Per 600 PA
0.19
3.5
Roger Nelson
Careerverified
Per 600 PAverified
1.5
4.33
John Halama
Career
Per 600 PA
0
0
Roger Nelson
Career
Per 600 PA
0
0
John Halama
Career
Per 600 PAverified
3
56.25
Roger Nelson
Careerverified
Per 600 PA
11
31.73
John Halama
Career
Per 600 PA
0
0
Roger Nelson
Career
Per 600 PA
0
0
John Halama
Careerverified
Per 600 PA
12
225
Roger Nelson
Career
Per 600 PAverified
58
167.31
John Halama
Career
Per 600 PA
2.67
2.67
Roger Nelson
Careerverified
Per 600 PAverified
3.59
3.59
John Halama
Careerverified
Per 600 PAverified
0.25
0.25
Roger Nelson
Career
Per 600 PA
0.19
0.19
John Halama
Career
Per 600 PAverified
3
56.25
Roger Nelson
Careerverified
Per 600 PA
16
46.15
John Halama
Career
Per 600 PA
0
0
Roger Nelson
Careerverified
Per 600 PAverified
1
2.88
John Halama
Career
Per 600 PA
1
18.75
Roger Nelson
Career
Per 600 PAverified
1
2.88
John Halama
Career
Per 600 PA
0
0
Roger Nelson
Career
Per 600 PA
0
0
John Halama
Career
Per 600 PA
0
0
Roger Nelson
Career
Per 600 PA
0
0
John Halama
Career
Per 600 PA
0
0
Roger Nelson
Career
Per 600 PA
0
0
John Halama
Career
Per 600 PA
Roger Nelson
Career
Per 600 PA