Ernie Mason vs. Jim Shellenback — Career Comparison
Jim Shellenback built a career as a starting pitcher and Ernie Mason as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jim Shellenback posted stronger surface numbers — ERA 3.81 and WHIP 1.447 compared to 7.15 and 1.941 for Ernie Mason. By the career numbers, Jim Shellenback had the better of this cross-role comparison — though era context would sharpen the verdict.
Pitching Stats for Ernie Mason and Jim Shellenback
Ernie Mason
Career
Per 9 Innings
4
1.59
Jim Shellenback
Career
Per 9 Innings
165
3.27
Ernie Mason
Career
Per 9 Innings
2
0.79
Jim Shellenback
Career
Per 9 Innings
48
0.95
Ernie Mason
Career
Per 9 Innings
3
1.19
Jim Shellenback
Career
Per 9 Innings
30
0.59
Ernie Mason
Career
Per 9 Innings
0
0
Jim Shellenback
Career
Per 9 Innings
34.78
34.78
Ernie Mason
Career
Per 9 Innings
50
50
Jim Shellenback
Career
Per 9 Innings
29.09
29.09
Ernie Mason
Career
Per 9 Innings
2
0.79
Jim Shellenback
Career
Per 9 Innings
8
0.16
Ernie Mason
Career
Per 9 Innings
18
7.15
Jim Shellenback
Career
Per 9 Innings
192
3.81
Ernie Mason
Career
Per 9 Innings
7.15
7.15
Jim Shellenback
Career
Per 9 Innings
3.81
3.81
Ernie Mason
Career
Per 9 Innings
6.82
6.82
Jim Shellenback
Career
Per 9 Innings
4.06
4.06
Ernie Mason
Career
Per 9 Innings
4.63
4.63
Jim Shellenback
Career
Per 9 Innings
4.54
4.54
Ernie Mason
Career
Per 9 Innings
0.343
0.343
Jim Shellenback
Career
Per 9 Innings
0.256
0.256
Ernie Mason
Career
Per 9 Innings
68
27
Jim Shellenback
Career
Per 9 Innings
1362
27
Ernie Mason
Career
Per 9 Innings
22.2
9
Jim Shellenback
Career
Per 9 Innings
454
9
Ernie Mason
Career
Per 9 Innings
34
13.5
Jim Shellenback
Career
Per 9 Innings
443
8.78
Ernie Mason
Career
Per 9 Innings
13.5
13.5
Jim Shellenback
Career
Per 9 Innings
8.78
8.78
Ernie Mason
Career
Per 9 Innings
1
0.4
Jim Shellenback
Career
Per 9 Innings
40
0.79
Ernie Mason
Career
Per 9 Innings
0.4
0.4
Jim Shellenback
Career
Per 9 Innings
0.79
0.79
Ernie Mason
Career
Per 9 Innings
0.25
0.25
Jim Shellenback
Career
Per 9 Innings
0.24
0.24
Ernie Mason
Career
Per 9 Innings
10
3.97
Jim Shellenback
Career
Per 9 Innings
200
3.96
Ernie Mason
Career
Per 9 Innings
3.97
3.97
Jim Shellenback
Career
Per 9 Innings
3.96
3.96
Ernie Mason
Career
Per 9 Innings
3
1.19
Jim Shellenback
Career
Per 9 Innings
222
4.4
Ernie Mason
Career
Per 9 Innings
1.19
1.19
Jim Shellenback
Career
Per 9 Innings
4.4
4.4
Ernie Mason
Career
Per 9 Innings
0.75
0.75
Jim Shellenback
Career
Per 9 Innings
1.35
1.35
Ernie Mason
Career
Per 9 Innings
0.574
0.574
Jim Shellenback
Career
Per 9 Innings
0.93
0.93
Ernie Mason
Career
Per 9 Innings
109
43.28
Jim Shellenback
Career
Per 9 Innings
1960
38.85
Ernie Mason
Career
Per 9 Innings
1
0.4
Jim Shellenback
Career
Per 9 Innings
36
0.71
Ernie Mason
Career
Per 9 Innings
29
11.51
Jim Shellenback
Career
Per 9 Innings
228
4.52
Ernie Mason
Career
Per 9 Innings
11.51
11.51
Jim Shellenback
Career
Per 9 Innings
4.52
4.52
Ernie Mason
Career
Per 9 Innings
0
0
Jim Shellenback
Career
Per 9 Innings
4
0.08
Ernie Mason
Career
Per 9 Innings
1.941
1.941
Jim Shellenback
Career
Per 9 Innings
1.416
1.416
Ernie Mason
Career
Per 9 Innings
99
39.31
Jim Shellenback
Career
Per 9 Innings
1729
34.28
Ernie Mason
Career
Per 9 Innings
7.25
7.25
Jim Shellenback
Career
Per 9 Innings
1.38
1.38
Ernie Mason
Career
Per 9 Innings
0.347
0.347
Jim Shellenback
Career
Per 9 Innings
0.275
0.275
Ernie Mason
Career
Per 9 Innings
43.28
43.28
Jim Shellenback
Career
Per 9 Innings
38.85
38.85
Fielding Stats for Ernie Mason and Jim Shellenback
Ernie Mason
Career
Per 9 Innings
5
1.8
Jim Shellenback
Career
Per 9 Innings
165
3.27
Ernie Mason
Career
Per 9 Innings
75
27
Jim Shellenback
Career
Per 9 Innings
1361
27
Ernie Mason
Career
Per 9 Innings
25
9
Jim Shellenback
Career
Per 9 Innings
453.2
9
Ernie Mason
Career
Per 9 Innings
2
0.72
Jim Shellenback
Career
Per 9 Innings
21
0.42
Ernie Mason
Career
Per 9 Innings
2
0.72
Jim Shellenback
Career
Per 9 Innings
91
1.81
Ernie Mason
Career
Per 9 Innings
5
1.8
Jim Shellenback
Career
Per 9 Innings
117
2.32
Ernie Mason
Career
Per 9 Innings
4
1.44
Jim Shellenback
Career
Per 9 Innings
112
2.22
Ernie Mason
Career
Per 9 Innings
80
80
Jim Shellenback
Career
Per 9 Innings
95.73
95.73
Ernie Mason
Career
Per 9 Innings
0.8
0.8
Jim Shellenback
Career
Per 9 Innings
0.679
0.679
Ernie Mason
Career
Per 9 Innings
0
0
Jim Shellenback
Career
Per 9 Innings
29.09
29.09
Ernie Mason
Career
Per 9 Innings
0
0
Jim Shellenback
Career
Per 9 Innings
0
0
Hitting Stats for Ernie Mason and Jim Shellenback
Ernie Mason
Career
Per 600 PA
4
184.62
Jim Shellenback
Career
Per 600 PA
166
881.42
Ernie Mason
Career
Per 600 PA
13
600
Jim Shellenback
Career
Per 600 PA
113
600
Ernie Mason
Career
Per 600 PA
12
553.85
Jim Shellenback
Career
Per 600 PA
104
552.21
Ernie Mason
Career
Per 600 PA
0.25
0.25
Jim Shellenback
Career
Per 600 PA
0.135
0.135
Ernie Mason
Career
Per 600 PA
0.577
0.577
Jim Shellenback
Career
Per 600 PA
0.358
0.358
Ernie Mason
Career
Per 600 PA
0.94
43.21
Jim Shellenback
Career
Per 600 PA
1.89
10.04
Ernie Mason
Career
Per 600 PA
3
138.46
Jim Shellenback
Career
Per 600 PA
16
84.96
Ernie Mason
Career
Per 600 PA
4
184.62
Jim Shellenback
Career
Per 600 PA
17
90.27
Ernie Mason
Career
Per 600 PA
0.308
0.308
Jim Shellenback
Career
Per 600 PA
0.159
0.159
Ernie Mason
Career
Per 600 PA
0.25
0.25
Jim Shellenback
Career
Per 600 PA
0.154
0.154
Ernie Mason
Career
Per 600 PA
0.558
0.558
Jim Shellenback
Career
Per 600 PA
0.313
0.313
Ernie Mason
Career
Per 600 PA
0.201
0.201
Jim Shellenback
Career
Per 600 PA
0.11
0.11
Ernie Mason
Career
Per 600 PA
0.444
0.444
Jim Shellenback
Career
Per 600 PA
0.202
0.202
Ernie Mason
Career
Per 600 PA
0.273
0.273
Jim Shellenback
Career
Per 600 PA
0.171
0.171
Ernie Mason
Career
Per 600 PA
1
46.15
Jim Shellenback
Career
Per 600 PA
22
116.81
Ernie Mason
Career
Per 600 PA
13
13
Jim Shellenback
Career
Per 600 PA
5.14
5.14
Ernie Mason
Career
Per 600 PA
1
1
Jim Shellenback
Career
Per 600 PA
0.14
0.14
Ernie Mason
Career
Per 600 PA
0
0
Jim Shellenback
Career
Per 600 PA
4
21.24