Jim Acker vs. Ralph Caldwell — Career Comparison

Jim Acker
Baby BoomersTexasThrows RightBats RightNorth AmericaToronto Blue JaysAmerican LeagueRelief Pitcher
Ralph Caldwell
Lost GenerationPennsylvaniaThrows LeftBats LeftNorth AmericaPhiladelphia PhilliesNational LeagueStarting Pitcher

Ralph Caldwell built a career as a starting pitcher and Jim Acker as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jim Acker posted stronger surface numbers — ERA 3.97 and WHIP 1.423 compared to 4.2 and 1.413 for Ralph Caldwell. By the career numbers, Jim Acker had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Jim Acker and Ralph Caldwell

Jim Acker
Careerverified
Per 9 Inningsverified
10
10
Ralph Caldwell
Career
Per 9 Innings
2
2
Jim Acker
Careerverified
Per 9 Inningsverified
467
4.65
Ralph Caldwell
Career
Per 9 Innings
13
1.56
Jim Acker
Careerverified
Per 9 Innings
32
0.32
Ralph Caldwell
Career
Per 9 Inningsverified
7
0.84
Jim Acker
Careerverified
Per 9 Innings
33
0.33
Ralph Caldwell
Career
Per 9 Inningsverified
3
0.36
Jim Acker
Career
Per 9 Inningsverified
49
0.49
Ralph Caldwell
Careerverified
Per 9 Innings
5
0.6
Jim Acker
Careerverified
Per 9 Inningsverified
40.24
40.24
Ralph Caldwell
Career
Per 9 Innings
37.5
37.5
Jim Acker
Career
Per 9 Innings
6.85
6.85
Ralph Caldwell
Careerverified
Per 9 Inningsverified
53.85
53.85
Jim Acker
Career
Per 9 Innings
0
0
Ralph Caldwell
Careerverified
Per 9 Inningsverified
6
0.72
Jim Acker
Career
Per 9 Innings
0
0
Ralph Caldwell
Career
Per 9 Innings
0
0
Jim Acker
Careerverified
Per 9 Inningsverified
30
0.3
Ralph Caldwell
Career
Per 9 Innings
1
0.12
Jim Acker
Career
Per 9 Inningsverified
399
3.97
Ralph Caldwell
Careerverified
Per 9 Innings
35
4.2
Jim Acker
Careerverified
Per 9 Inningsverified
3.97
3.97
Ralph Caldwell
Career
Per 9 Innings
4.2
4.2
Jim Acker
Career
Per 9 Innings
4.07
4.07
Ralph Caldwell
Careerverified
Per 9 Inningsverified
4.05
4.05
Jim Acker
Career
Per 9 Innings
4.31
4.31
Ralph Caldwell
Careerverified
Per 9 Inningsverified
2.85
2.85
Jim Acker
Careerverified
Per 9 Inningsverified
0.267
0.267
Ralph Caldwell
Career
Per 9 Innings
0.278
0.278
Jim Acker
Careerverified
Per 9 Innings
2713
27
Ralph Caldwell
Career
Per 9 Innings
225
27
Jim Acker
Careerverified
Per 9 Innings
904.1
9
Ralph Caldwell
Career
Per 9 Innings
75
9
Jim Acker
Career
Per 9 Inningsverified
918
9.14
Ralph Caldwell
Careerverified
Per 9 Innings
84
10.08
Jim Acker
Careerverified
Per 9 Inningsverified
9.14
9.14
Ralph Caldwell
Career
Per 9 Innings
10.08
10.08
Jim Acker
Career
Per 9 Innings
82
0.82
Ralph Caldwell
Careerverified
Per 9 Inningsverified
2
0.24
Jim Acker
Career
Per 9 Innings
0.82
0.82
Ralph Caldwell
Careerverified
Per 9 Inningsverified
0.24
0.24
Jim Acker
Career
Per 9 Innings
0.18
0.18
Ralph Caldwell
Careerverified
Per 9 Inningsverified
0.15
0.15
Jim Acker
Career
Per 9 Innings
329
3.27
Ralph Caldwell
Careerverified
Per 9 Inningsverified
22
2.64
Jim Acker
Career
Per 9 Innings
40
0.4
Ralph Caldwell
Careerverified
Per 9 Inningsverified
0
0
Jim Acker
Career
Per 9 Innings
3.27
3.27
Ralph Caldwell
Careerverified
Per 9 Inningsverified
2.64
2.64
Jim Acker
Careerverified
Per 9 Innings
482
4.8
Ralph Caldwell
Career
Per 9 Inningsverified
59
7.08
Jim Acker
Career
Per 9 Innings
4.8
4.8
Ralph Caldwell
Careerverified
Per 9 Inningsverified
7.08
7.08
Jim Acker
Career
Per 9 Innings
1.03
1.03
Ralph Caldwell
Careerverified
Per 9 Inningsverified
4.54
4.54
Jim Acker
Career
Per 9 Innings
0.897
0.897
Ralph Caldwell
Careerverified
Per 9 Inningsverified
1.08
1.08
Jim Acker
Career
Per 9 Innings
31
0.31
Ralph Caldwell
Careerverified
Per 9 Inningsverified
2
0.24
Jim Acker
Career
Per 9 Inningsverified
32
0.32
Ralph Caldwell
Careerverified
Per 9 Innings
5
0.6
Jim Acker
Career
Per 9 Inningsverified
2
0.02
Ralph Caldwell
Career
Per 9 Innings
2
0.24
Jim Acker
Careerverified
Per 9 Innings
3868
38.49
Ralph Caldwell
Career
Per 9 Inningsverified
329
39.48
Jim Acker
Careerverified
Per 9 Inningsverified
159
1.58
Ralph Caldwell
Career
Per 9 Innings
4
0.48
Jim Acker
Career
Per 9 Inningsverified
447
4.45
Ralph Caldwell
Careerverified
Per 9 Innings
54
6.48
Jim Acker
Careerverified
Per 9 Inningsverified
4.45
4.45
Ralph Caldwell
Career
Per 9 Innings
6.48
6.48
Jim Acker
Career
Per 9 Innings
43
0.43
Ralph Caldwell
Careerverified
Per 9 Inningsverified
0
0
Jim Acker
Career
Per 9 Innings
31
0.31
Ralph Caldwell
Careerverified
Per 9 Inningsverified
0
0
Jim Acker
Careerverified
Per 9 Inningsverified
100
1
Ralph Caldwell
Career
Per 9 Innings
0
0
Jim Acker
Careerverified
Per 9 Inningsverified
1.379
1.379
Ralph Caldwell
Career
Per 9 Innings
1.413
1.413
Jim Acker
Careerverified
Per 9 Innings
3433
34.17
Ralph Caldwell
Career
Per 9 Inningsverified
302
36.24
Jim Acker
Careerverified
Per 9 Inningsverified
0.96
0.96
Ralph Caldwell
Career
Per 9 Innings
4.15
4.15
Jim Acker
Careerverified
Per 9 Inningsverified
0.291
0.291
Ralph Caldwell
Career
Per 9 Innings
0.34
0.34
Jim Acker
Career
Per 9 Innings
38.49
38.49
Ralph Caldwell
Careerverified
Per 9 Inningsverified
39.48
39.48

Fielding Stats for Jim Acker and Ralph Caldwell

Jim Acker
Careerverified
Per 9 Inningsverified
10
10
Ralph Caldwell
Career
Per 9 Innings
2
2
Jim Acker
Careerverified
Per 9 Inningsverified
467
4.65
Ralph Caldwell
Career
Per 9 Innings
13
1.56
Jim Acker
Careerverified
Per 9 Innings
32
0.32
Ralph Caldwell
Career
Per 9 Inningsverified
7
0.84
Jim Acker
Careerverified
Per 9 Innings
2713
27
Ralph Caldwell
Career
Per 9 Innings
225
27
Jim Acker
Careerverified
Per 9 Innings
904.1
9
Ralph Caldwell
Career
Per 9 Innings
75
9
Jim Acker
Careerverified
Per 9 Inningsverified
73
0.73
Ralph Caldwell
Career
Per 9 Innings
5
0.6
Jim Acker
Careerverified
Per 9 Inningsverified
161
1.6
Ralph Caldwell
Career
Per 9 Innings
13
1.56
Jim Acker
Career
Per 9 Inningsverified
2
0.02
Ralph Caldwell
Career
Per 9 Innings
2
0.24
Jim Acker
Careerverified
Per 9 Innings
236
2.35
Ralph Caldwell
Career
Per 9 Inningsverified
20
2.4
Jim Acker
Careerverified
Per 9 Inningsverified
234
2.33
Ralph Caldwell
Career
Per 9 Innings
18
2.16
Jim Acker
Careerverified
Per 9 Inningsverified
99.15
99.15
Ralph Caldwell
Career
Per 9 Innings
90
90
Jim Acker
Career
Per 9 Innings
0.501
0.501
Ralph Caldwell
Careerverified
Per 9 Inningsverified
1.385
1.385
Jim Acker
Career
Per 9 Innings
6.85
6.85
Ralph Caldwell
Careerverified
Per 9 Inningsverified
53.85
53.85
Jim Acker
Careerverified
Per 9 Inningsverified
11
0.11
Ralph Caldwell
Career
Per 9 Innings
0
0
Jim Acker
Career
Per 9 Innings
0
0
Ralph Caldwell
Career
Per 9 Innings
0
0
Jim Acker
Career
Per 9 Innings
0
0
Ralph Caldwell
Career
Per 9 Innings
0
0
Jim Acker
Career
Per 9 Innings
0
0
Ralph Caldwell
Career
Per 9 Innings
0
0
Jim Acker
Career
Per 9 Innings
0
0
Ralph Caldwell
Career
Per 9 Innings
0
0

Hitting Stats for Jim Acker and Ralph Caldwell

Jim Acker
Careerverified
Per 600 PAverified
10
10
Ralph Caldwell
Career
Per 600 PA
2
2
Jim Acker
Careerverified
Per 600 PAverified
467
5003.57
Ralph Caldwell
Career
Per 600 PA
13
229.41
Jim Acker
Careerverified
Per 600 PA
56
600
Ralph Caldwell
Career
Per 600 PA
34
600
Jim Acker
Careerverified
Per 600 PA
54
578.57
Ralph Caldwell
Career
Per 600 PAverified
33
582.35
Jim Acker
Career
Per 600 PA
0.167
0.167
Ralph Caldwell
Careerverified
Per 600 PAverified
0.242
0.242
Jim Acker
Career
Per 600 PA
0.393
0.393
Ralph Caldwell
Careerverified
Per 600 PAverified
0.515
0.515
Jim Acker
Careerverified
Per 600 PA
9
96.43
Ralph Caldwell
Career
Per 600 PAverified
8
141.18
Jim Acker
Career
Per 600 PA
8
85.71
Ralph Caldwell
Career
Per 600 PAverified
8
141.18
Jim Acker
Careerverified
Per 600 PAverified
1
10.71
Ralph Caldwell
Career
Per 600 PA
0
0
Jim Acker
Career
Per 600 PA
0
0
Ralph Caldwell
Career
Per 600 PA
0
0
Jim Acker
Career
Per 600 PA
0
0
Ralph Caldwell
Career
Per 600 PA
0
0
Jim Acker
Careerverified
Per 600 PAverified
1
10.71
Ralph Caldwell
Career
Per 600 PA
0
0
Jim Acker
Careerverified
Per 600 PAverified
0.111
0.111
Ralph Caldwell
Career
Per 600 PA
0
0
Jim Acker
Career
Per 600 PA
0
0
Ralph Caldwell
Career
Per 600 PA
0
0
Jim Acker
Career
Per 600 PA
0
0
Ralph Caldwell
Career
Per 600 PA
0
0
Jim Acker
Career
Per 600 PA
1.75
18.73
Ralph Caldwell
Careerverified
Per 600 PAverified
2
35.32
Jim Acker
Careerverified
Per 600 PA
10
107.14
Ralph Caldwell
Career
Per 600 PAverified
8
141.18
Jim Acker
Careerverified
Per 600 PA
11
117.86
Ralph Caldwell
Career
Per 600 PAverified
9
158.82
Jim Acker
Career
Per 600 PA
0.196
0.196
Ralph Caldwell
Careerverified
Per 600 PAverified
0.265
0.265
Jim Acker
Career
Per 600 PA
0.185
0.185
Ralph Caldwell
Careerverified
Per 600 PAverified
0.242
0.242
Jim Acker
Career
Per 600 PA
0.382
0.382
Ralph Caldwell
Careerverified
Per 600 PAverified
0.507
0.507
Jim Acker
Careerverified
Per 600 PAverified
0.019
0.019
Ralph Caldwell
Career
Per 600 PA
0
0
Jim Acker
Career
Per 600 PA
0.135
0.135
Ralph Caldwell
Careerverified
Per 600 PAverified
0.18
0.18
Jim Acker
Career
Per 600 PA
0.261
0.261
Ralph Caldwell
Careerverified
Per 600 PAverified
0.36
0.36
Jim Acker
Careerverified
Per 600 PAverified
0.409
0.409
Ralph Caldwell
Career
Per 600 PA
0.267
0.267
Jim Acker
Career
Per 600 PA
2
21.43
Ralph Caldwell
Careerverified
Per 600 PAverified
3
52.94
Jim Acker
Career
Per 600 PA
1
10.71
Ralph Caldwell
Careerverified
Per 600 PAverified
3
52.94
Jim Acker
Career
Per 600 PA
3
32.14
Ralph Caldwell
Careerverified
Per 600 PAverified
6
105.88
Jim Acker
Career
Per 600 PA
0.88
9.45
Ralph Caldwell
Careerverified
Per 600 PAverified
2.61
46.08
Jim Acker
Career
Per 600 PA
0
0
Ralph Caldwell
Career
Per 600 PA
0
0
Jim Acker
Careerverified
Per 600 PAverified
2
21.43
Ralph Caldwell
Career
Per 600 PA
1
17.65
Jim Acker
Career
Per 600 PA
0
0
Ralph Caldwell
Career
Per 600 PA
0
0
Jim Acker
Career
Per 600 PA
32
342.86
Ralph Caldwell
Careerverified
Per 600 PAverified
3
52.94
Jim Acker
Career
Per 600 PA
1.75
1.75
Ralph Caldwell
Careerverified
Per 600 PAverified
11.33
11.33
Jim Acker
Career
Per 600 PA
0.06
0.06
Ralph Caldwell
Careerverified
Per 600 PAverified
0.33
0.33
Jim Acker
Career
Per 600 PA
0
0
Ralph Caldwell
Career
Per 600 PA
0
0
Jim Acker
Career
Per 600 PA
0
0
Ralph Caldwell
Career
Per 600 PA
0
0
Jim Acker
Career
Per 600 PA
1
10.71
Ralph Caldwell
Careerverified
Per 600 PAverified
0
0
Jim Acker
Career
Per 600 PA
0
0
Ralph Caldwell
Career
Per 600 PA
0
0
Jim Acker
Career
Per 600 PA
0
0
Ralph Caldwell
Career
Per 600 PA
0
0
Jim Acker
Career
Per 600 PA
0
0
Ralph Caldwell
Career
Per 600 PA
0
0
Jim Acker
Career
Per 600 PA
Ralph Caldwell
Career
Per 600 PA