Jamie Arnold vs. Jim Mertz — Career Comparison

Jamie Arnold
Gen XMichiganThrows RightBats RightNorth AmericaLos Angeles DodgersNational LeagueRelief Pitcher
Jim Mertz
Greatest GenerationOhioThrows RightBats RightNorth AmericaWashington SenatorsAmerican LeagueStarting Pitcher

Jim Mertz built a career as a starting pitcher and Jamie Arnold as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jim Mertz posted stronger surface numbers — ERA 4.63 and WHIP 1.431 compared to 5.73 and 1.652 for Jamie Arnold. By the career numbers, Jim Mertz had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Jamie Arnold and Jim Mertz

Jamie Arnold
Careerverified
Per 9 Inningsverified
2
2
Jim Mertz
Career
Per 9 Innings
1
1
Jamie Arnold
Careerverified
Per 9 Inningsverified
50
4.15
Jim Mertz
Career
Per 9 Innings
33
2.55
Jamie Arnold
Career
Per 9 Innings
7
0.58
Jim Mertz
Careerverified
Per 9 Inningsverified
10
0.77
Jamie Arnold
Career
Per 9 Innings
2
0.17
Jim Mertz
Careerverified
Per 9 Inningsverified
5
0.39
Jamie Arnold
Career
Per 9 Innings
7
0.58
Jim Mertz
Career
Per 9 Inningsverified
7
0.54
Jamie Arnold
Career
Per 9 Innings
22.22
22.22
Jim Mertz
Careerverified
Per 9 Inningsverified
41.67
41.67
Jamie Arnold
Career
Per 9 Innings
14
14
Jim Mertz
Careerverified
Per 9 Inningsverified
30.3
30.3
Jamie Arnold
Career
Per 9 Innings
0
0
Jim Mertz
Careerverified
Per 9 Inningsverified
2
0.15
Jamie Arnold
Career
Per 9 Innings
0
0
Jim Mertz
Career
Per 9 Innings
0
0
Jamie Arnold
Career
Per 9 Innings
2
0.17
Jim Mertz
Careerverified
Per 9 Inningsverified
3
0.23
Jamie Arnold
Career
Per 9 Innings
69
5.73
Jim Mertz
Careerverified
Per 9 Inningsverified
60
4.63
Jamie Arnold
Career
Per 9 Innings
5.73
5.73
Jim Mertz
Careerverified
Per 9 Inningsverified
4.63
4.63
Jamie Arnold
Career
Per 9 Innings
5.32
5.32
Jim Mertz
Careerverified
Per 9 Inningsverified
3.86
3.86
Jamie Arnold
Career
Per 9 Innings
4.95
4.95
Jim Mertz
Careerverified
Per 9 Inningsverified
4.36
4.36
Jamie Arnold
Career
Per 9 Innings
0.285
0.285
Jim Mertz
Careerverified
Per 9 Inningsverified
0.247
0.247
Jamie Arnold
Career
Per 9 Innings
325
27
Jim Mertz
Careerverified
Per 9 Innings
350
27
Jamie Arnold
Career
Per 9 Innings
108.1
9
Jim Mertz
Careerverified
Per 9 Innings
116.2
9
Jamie Arnold
Career
Per 9 Innings
119
9.89
Jim Mertz
Careerverified
Per 9 Inningsverified
109
8.41
Jamie Arnold
Career
Per 9 Innings
9.89
9.89
Jim Mertz
Careerverified
Per 9 Inningsverified
8.41
8.41
Jamie Arnold
Career
Per 9 Innings
7
0.58
Jim Mertz
Career
Per 9 Inningsverified
7
0.54
Jamie Arnold
Career
Per 9 Innings
0.58
0.58
Jim Mertz
Careerverified
Per 9 Inningsverified
0.54
0.54
Jamie Arnold
Careerverified
Per 9 Inningsverified
0.14
0.14
Jim Mertz
Career
Per 9 Innings
0.21
0.21
Jamie Arnold
Career
Per 9 Innings
58
4.82
Jim Mertz
Career
Per 9 Inningsverified
58
4.47
Jamie Arnold
Career
Per 9 Innings
2
0.17
Jim Mertz
Careerverified
Per 9 Inningsverified
0
0
Jamie Arnold
Career
Per 9 Innings
4.82
4.82
Jim Mertz
Careerverified
Per 9 Inningsverified
4.47
4.47
Jamie Arnold
Career
Per 9 Innings
42
3.49
Jim Mertz
Careerverified
Per 9 Inningsverified
53
4.09
Jamie Arnold
Career
Per 9 Innings
3.49
3.49
Jim Mertz
Careerverified
Per 9 Inningsverified
4.09
4.09
Jamie Arnold
Career
Per 9 Innings
0.84
0.84
Jim Mertz
Careerverified
Per 9 Inningsverified
1.61
1.61
Jamie Arnold
Career
Per 9 Innings
0.923
0.923
Jim Mertz
Careerverified
Per 9 Inningsverified
0.951
0.951
Jamie Arnold
Career
Per 9 Innings
5
0.42
Jim Mertz
Careerverified
Per 9 Inningsverified
2
0.15
Jamie Arnold
Career
Per 9 Innings
10
0.83
Jim Mertz
Careerverified
Per 9 Inningsverified
0
0
Jamie Arnold
Careerverified
Per 9 Inningsverified
0
0
Jim Mertz
Career
Per 9 Innings
1
0.08
Jamie Arnold
Career
Per 9 Inningsverified
494
41.04
Jim Mertz
Careerverified
Per 9 Innings
499
38.49
Jamie Arnold
Careerverified
Per 9 Inningsverified
23
1.91
Jim Mertz
Career
Per 9 Innings
12
0.93
Jamie Arnold
Career
Per 9 Innings
81
6.73
Jim Mertz
Careerverified
Per 9 Inningsverified
65
5.01
Jamie Arnold
Career
Per 9 Innings
6.73
6.73
Jim Mertz
Careerverified
Per 9 Inningsverified
5.01
5.01
Jamie Arnold
Career
Per 9 Innings
5
0.42
Jim Mertz
Careerverified
Per 9 Inningsverified
0
0
Jamie Arnold
Career
Per 9 Innings
4
0.33
Jim Mertz
Careerverified
Per 9 Inningsverified
0
0
Jamie Arnold
Careerverified
Per 9 Inningsverified
21
1.74
Jim Mertz
Career
Per 9 Innings
0
0
Jamie Arnold
Career
Per 9 Innings
1.634
1.634
Jim Mertz
Careerverified
Per 9 Inningsverified
1.431
1.431
Jamie Arnold
Career
Per 9 Inningsverified
417
34.64
Jim Mertz
Careerverified
Per 9 Innings
441
34.02
Jamie Arnold
Careerverified
Per 9 Inningsverified
1.62
1.62
Jim Mertz
Career
Per 9 Innings
1.97
1.97
Jamie Arnold
Career
Per 9 Innings
0.304
0.304
Jim Mertz
Careerverified
Per 9 Inningsverified
0.268
0.268
Jamie Arnold
Careerverified
Per 9 Inningsverified
41.04
41.04
Jim Mertz
Career
Per 9 Innings
38.49
38.49

Fielding Stats for Jamie Arnold and Jim Mertz

Jamie Arnold
Careerverified
Per 9 Inningsverified
2
2
Jim Mertz
Career
Per 9 Innings
1
Jamie Arnold
Careerverified
Per 9 Inningsverified
50
4.15
Jim Mertz
Career
Per 9 Innings
33
Jamie Arnold
Careerverified
Per 9 Inningsverified
7
0.58
Jim Mertz
Career
Per 9 Innings
0
Jamie Arnold
Careerverified
Per 9 Inningsverified
325
27
Jim Mertz
Career
Per 9 Innings
0
Jamie Arnold
Careerverified
Per 9 Inningsverified
108.1
9
Jim Mertz
Career
Per 9 Innings
0
Jamie Arnold
Careerverified
Per 9 Inningsverified
5
0.42
Jim Mertz
Career
Per 9 Innings
3
Jamie Arnold
Career
Per 9 Inningsverified
22
1.83
Jim Mertz
Careerverified
Per 9 Innings
26
Jamie Arnold
Careerverified
Per 9 Innings
2
0.17
Jim Mertz
Career
Per 9 Inningsverified
3
Jamie Arnold
Career
Per 9 Inningsverified
29
2.41
Jim Mertz
Careerverified
Per 9 Innings
32
Jamie Arnold
Career
Per 9 Inningsverified
27
2.24
Jim Mertz
Careerverified
Per 9 Innings
29
Jamie Arnold
Careerverified
Per 9 Inningsverified
93.1
93.1
Jim Mertz
Career
Per 9 Innings
90.63
Jamie Arnold
Career
Per 9 Inningsverified
0.54
0.54
Jim Mertz
Careerverified
Per 9 Innings
0.879
Jamie Arnold
Careerverified
Per 9 Inningsverified
14
14
Jim Mertz
Career
Per 9 Innings
0
Jamie Arnold
Careerverified
Per 9 Inningsverified
5
0.42
Jim Mertz
Career
Per 9 Innings
2
Jamie Arnold
Career
Per 9 Innings
0
0
Jim Mertz
Career
Per 9 Innings
0
Jamie Arnold
Career
Per 9 Innings
0
0
Jim Mertz
Career
Per 9 Innings
0
Jamie Arnold
Career
Per 9 Innings
0
0
Jim Mertz
Career
Per 9 Innings
0
Jamie Arnold
Career
Per 9 Innings
0
0
Jim Mertz
Career
Per 9 Innings
0

Hitting Stats for Jamie Arnold and Jim Mertz

Jamie Arnold
Careerverified
Per 600 PAverified
2
2
Jim Mertz
Career
Per 600 PA
1
1
Jamie Arnold
Careerverified
Per 600 PAverified
50
1428.57
Jim Mertz
Career
Per 600 PA
33
460.47
Jamie Arnold
Career
Per 600 PA
21
600
Jim Mertz
Careerverified
Per 600 PA
43
600
Jamie Arnold
Career
Per 600 PAverified
19
542.86
Jim Mertz
Careerverified
Per 600 PA
38
530.23
Jamie Arnold
Career
Per 600 PA
0.158
0.158
Jim Mertz
Careerverified
Per 600 PAverified
0.184
0.184
Jamie Arnold
Career
Per 600 PA
0.452
0.452
Jim Mertz
Careerverified
Per 600 PAverified
0.512
0.512
Jamie Arnold
Career
Per 600 PA
3
85.71
Jim Mertz
Careerverified
Per 600 PAverified
7
97.67
Jamie Arnold
Career
Per 600 PA
2
57.14
Jim Mertz
Careerverified
Per 600 PAverified
6
83.72
Jamie Arnold
Careerverified
Per 600 PAverified
1
28.57
Jim Mertz
Career
Per 600 PA
0
0
Jamie Arnold
Career
Per 600 PA
0
0
Jim Mertz
Careerverified
Per 600 PAverified
1
13.95
Jamie Arnold
Career
Per 600 PA
0
0
Jim Mertz
Career
Per 600 PA
0
0
Jamie Arnold
Career
Per 600 PAverified
1
28.57
Jim Mertz
Career
Per 600 PA
1
13.95
Jamie Arnold
Careerverified
Per 600 PAverified
0.333
0.333
Jim Mertz
Career
Per 600 PA
0.143
0.143
Jamie Arnold
Career
Per 600 PA
0
0
Jim Mertz
Career
Per 600 PA
0
0
Jamie Arnold
Career
Per 600 PA
0
0
Jim Mertz
Career
Per 600 PA
0
0
Jamie Arnold
Career
Per 600 PA
0.85
24.16
Jim Mertz
Careerverified
Per 600 PAverified
1.88
26.28
Jamie Arnold
Career
Per 600 PA
4
114.29
Jim Mertz
Careerverified
Per 600 PAverified
9
125.58
Jamie Arnold
Career
Per 600 PA
4
114.29
Jim Mertz
Careerverified
Per 600 PAverified
9
125.58
Jamie Arnold
Career
Per 600 PA
0.2
0.2
Jim Mertz
Careerverified
Per 600 PAverified
0.225
0.225
Jamie Arnold
Career
Per 600 PA
0.211
0.211
Jim Mertz
Careerverified
Per 600 PAverified
0.237
0.237
Jamie Arnold
Career
Per 600 PA
0.411
0.411
Jim Mertz
Careerverified
Per 600 PAverified
0.462
0.462
Jamie Arnold
Career
Per 600 PA
0.053
0.053
Jim Mertz
Career
Per 600 PA
0.053
0.053
Jamie Arnold
Career
Per 600 PA
0.143
0.143
Jim Mertz
Careerverified
Per 600 PAverified
0.161
0.161
Jamie Arnold
Career
Per 600 PA
0.313
0.313
Jim Mertz
Careerverified
Per 600 PAverified
0.344
0.344
Jamie Arnold
Career
Per 600 PA
0.231
0.231
Jim Mertz
Careerverified
Per 600 PAverified
0.28
0.28
Jamie Arnold
Career
Per 600 PA
1
28.57
Jim Mertz
Careerverified
Per 600 PAverified
3
41.86
Jamie Arnold
Career
Per 600 PA
1
28.57
Jim Mertz
Careerverified
Per 600 PAverified
3
41.86
Jamie Arnold
Career
Per 600 PA
2
57.14
Jim Mertz
Careerverified
Per 600 PAverified
6
83.72
Jamie Arnold
Career
Per 600 PA
0.6
17.01
Jim Mertz
Careerverified
Per 600 PAverified
1.83
25.55
Jamie Arnold
Careerverified
Per 600 PAverified
1
28.57
Jim Mertz
Career
Per 600 PA
0
0
Jamie Arnold
Career
Per 600 PA
0
0
Jim Mertz
Careerverified
Per 600 PAverified
2
27.91
Jamie Arnold
Career
Per 600 PA
0
0
Jim Mertz
Career
Per 600 PA
0
0
Jamie Arnold
Careerverified
Per 600 PAverified
6
171.43
Jim Mertz
Career
Per 600 PA
13
181.4
Jamie Arnold
Careerverified
Per 600 PAverified
3.5
3.5
Jim Mertz
Career
Per 600 PA
3.31
3.31
Jamie Arnold
Career
Per 600 PA
0
0
Jim Mertz
Careerverified
Per 600 PAverified
0.15
0.15
Jamie Arnold
Career
Per 600 PA
1
28.57
Jim Mertz
Careerverified
Per 600 PAverified
3
41.86
Jamie Arnold
Career
Per 600 PA
0
0
Jim Mertz
Career
Per 600 PA
0
0
Jamie Arnold
Careerverified
Per 600 PAverified
0
0
Jim Mertz
Career
Per 600 PA
1
13.95
Jamie Arnold
Career
Per 600 PA
0
0
Jim Mertz
Career
Per 600 PA
0
0
Jamie Arnold
Career
Per 600 PA
0
0
Jim Mertz
Career
Per 600 PA
0
0
Jamie Arnold
Career
Per 600 PA
0
0
Jim Mertz
Career
Per 600 PA
0
0
Jamie Arnold
Career
Per 600 PA
Jim Mertz
Career
Per 600 PA