Jamie Arnold vs. Jack Harper — Career Comparison

Jamie Arnold
Gen XMichiganThrows RightBats RightNorth AmericaLos Angeles DodgersNational LeagueRelief Pitcher
Jack Harper
Pre-GenerationalPennsylvaniaThrows RightBats RightNorth AmericaCincinnati RedsNational LeagueStarting Pitcher

Jack Harper 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. Jack Harper posted stronger surface numbers — ERA 3.55 and WHIP 1.345 compared to 5.73 and 1.652 for Jamie Arnold. By the career numbers, Jack Harper had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Jamie Arnold and Jack Harper

Jamie Arnold
Career
Per 9 Innings
2
2
Jack Harper
Careerverified
Per 9 Inningsverified
8
8
Jamie Arnold
Career
Per 9 Inningsverified
50
4.15
Jack Harper
Careerverified
Per 9 Innings
158
1.17
Jamie Arnold
Career
Per 9 Innings
7
0.58
Jack Harper
Careerverified
Per 9 Inningsverified
148
1.09
Jamie Arnold
Career
Per 9 Innings
2
0.17
Jack Harper
Careerverified
Per 9 Inningsverified
80
0.59
Jamie Arnold
Careerverified
Per 9 Innings
7
0.58
Jack Harper
Career
Per 9 Inningsverified
64
0.47
Jamie Arnold
Career
Per 9 Innings
22.22
22.22
Jack Harper
Careerverified
Per 9 Inningsverified
55.56
55.56
Jamie Arnold
Career
Per 9 Innings
14
14
Jack Harper
Careerverified
Per 9 Inningsverified
93.67
93.67
Jamie Arnold
Career
Per 9 Innings
0
0
Jack Harper
Careerverified
Per 9 Inningsverified
115
0.85
Jamie Arnold
Career
Per 9 Innings
0
0
Jack Harper
Careerverified
Per 9 Inningsverified
10
0.07
Jamie Arnold
Careerverified
Per 9 Inningsverified
2
0.17
Jack Harper
Career
Per 9 Innings
1
0.01
Jamie Arnold
Careerverified
Per 9 Innings
69
5.73
Jack Harper
Career
Per 9 Inningsverified
480
3.55
Jamie Arnold
Career
Per 9 Innings
5.73
5.73
Jack Harper
Careerverified
Per 9 Inningsverified
3.55
3.55
Jamie Arnold
Career
Per 9 Innings
5.32
5.32
Jack Harper
Careerverified
Per 9 Inningsverified
3.5
3.5
Jamie Arnold
Career
Per 9 Innings
4.95
4.95
Jack Harper
Careerverified
Per 9 Inningsverified
3.72
3.72
Jamie Arnold
Career
Per 9 Innings
0.285
0.285
Jack Harper
Careerverified
Per 9 Inningsverified
0.256
0.256
Jamie Arnold
Career
Per 9 Innings
325
27
Jack Harper
Careerverified
Per 9 Innings
3650
27
Jamie Arnold
Career
Per 9 Innings
108.1
9
Jack Harper
Careerverified
Per 9 Innings
1216.2
9
Jamie Arnold
Careerverified
Per 9 Innings
119
9.89
Jack Harper
Career
Per 9 Inningsverified
1198
8.86
Jamie Arnold
Career
Per 9 Innings
9.89
9.89
Jack Harper
Careerverified
Per 9 Inningsverified
8.86
8.86
Jamie Arnold
Careerverified
Per 9 Innings
7
0.58
Jack Harper
Career
Per 9 Inningsverified
25
0.18
Jamie Arnold
Career
Per 9 Innings
0.58
0.58
Jack Harper
Careerverified
Per 9 Inningsverified
0.18
0.18
Jamie Arnold
Careerverified
Per 9 Inningsverified
0.14
0.14
Jack Harper
Career
Per 9 Innings
0.16
0.16
Jamie Arnold
Careerverified
Per 9 Innings
58
4.82
Jack Harper
Career
Per 9 Inningsverified
438
3.24
Jamie Arnold
Career
Per 9 Innings
2
0.17
Jack Harper
Careerverified
Per 9 Inningsverified
0
0
Jamie Arnold
Career
Per 9 Innings
4.82
4.82
Jack Harper
Careerverified
Per 9 Inningsverified
3.24
3.24
Jamie Arnold
Career
Per 9 Inningsverified
42
3.49
Jack Harper
Careerverified
Per 9 Innings
466
3.45
Jamie Arnold
Careerverified
Per 9 Inningsverified
3.49
3.49
Jack Harper
Career
Per 9 Innings
3.45
3.45
Jamie Arnold
Career
Per 9 Innings
0.84
0.84
Jack Harper
Careerverified
Per 9 Inningsverified
2.95
2.95
Jamie Arnold
Careerverified
Per 9 Inningsverified
0.923
0.923
Jack Harper
Career
Per 9 Innings
0.743
0.743
Jamie Arnold
Careerverified
Per 9 Innings
5
0.42
Jack Harper
Career
Per 9 Innings
57
0.42
Jamie Arnold
Careerverified
Per 9 Innings
10
0.83
Jack Harper
Career
Per 9 Inningsverified
56
0.41
Jamie Arnold
Careerverified
Per 9 Inningsverified
0
0
Jack Harper
Career
Per 9 Innings
2
0.01
Jamie Arnold
Career
Per 9 Inningsverified
494
41.04
Jack Harper
Careerverified
Per 9 Innings
5169
38.24
Jamie Arnold
Careerverified
Per 9 Inningsverified
23
1.91
Jack Harper
Career
Per 9 Innings
7
0.05
Jamie Arnold
Careerverified
Per 9 Innings
81
6.73
Jack Harper
Career
Per 9 Inningsverified
668
4.94
Jamie Arnold
Career
Per 9 Innings
6.73
6.73
Jack Harper
Careerverified
Per 9 Inningsverified
4.94
4.94
Jamie Arnold
Career
Per 9 Innings
5
0.42
Jack Harper
Careerverified
Per 9 Inningsverified
0
0
Jamie Arnold
Career
Per 9 Innings
4
0.33
Jack Harper
Careerverified
Per 9 Inningsverified
0
0
Jamie Arnold
Careerverified
Per 9 Inningsverified
21
1.74
Jack Harper
Career
Per 9 Innings
0
0
Jamie Arnold
Career
Per 9 Innings
1.634
1.634
Jack Harper
Careerverified
Per 9 Inningsverified
1.345
1.345
Jamie Arnold
Career
Per 9 Inningsverified
417
34.64
Jack Harper
Careerverified
Per 9 Innings
4675
34.58
Jamie Arnold
Careerverified
Per 9 Inningsverified
1.62
1.62
Jack Harper
Career
Per 9 Innings
4.23
4.23
Jamie Arnold
Career
Per 9 Innings
0.304
0.304
Jack Harper
Careerverified
Per 9 Inningsverified
0.28
0.28
Jamie Arnold
Careerverified
Per 9 Inningsverified
41.04
41.04
Jack Harper
Career
Per 9 Innings
38.24
38.24

Fielding Stats for Jamie Arnold and Jack Harper

Jamie Arnold
Career
Per 9 Innings
2
2
Jack Harper
Careerverified
Per 9 Inningsverified
8
8
Jamie Arnold
Career
Per 9 Inningsverified
50
4.15
Jack Harper
Careerverified
Per 9 Innings
158
1.17
Jamie Arnold
Career
Per 9 Inningsverified
7
0.58
Jack Harper
Careerverified
Per 9 Innings
64
0.47
Jamie Arnold
Career
Per 9 Innings
325
27
Jack Harper
Careerverified
Per 9 Innings
3651
27
Jamie Arnold
Career
Per 9 Innings
108.1
9
Jack Harper
Careerverified
Per 9 Innings
1217
9
Jamie Arnold
Career
Per 9 Inningsverified
5
0.42
Jack Harper
Careerverified
Per 9 Innings
49
0.36
Jamie Arnold
Career
Per 9 Innings
22
1.83
Jack Harper
Careerverified
Per 9 Inningsverified
317
2.34
Jamie Arnold
Careerverified
Per 9 Inningsverified
2
0.17
Jack Harper
Career
Per 9 Innings
24
0.18
Jamie Arnold
Career
Per 9 Innings
29
2.41
Jack Harper
Careerverified
Per 9 Inningsverified
390
2.88
Jamie Arnold
Career
Per 9 Innings
27
2.24
Jack Harper
Careerverified
Per 9 Inningsverified
366
2.71
Jamie Arnold
Career
Per 9 Innings
93.1
93.1
Jack Harper
Careerverified
Per 9 Inningsverified
93.85
93.85
Jamie Arnold
Career
Per 9 Innings
0.54
0.54
Jack Harper
Careerverified
Per 9 Inningsverified
2.317
2.317
Jamie Arnold
Career
Per 9 Innings
14
14
Jack Harper
Careerverified
Per 9 Inningsverified
40.51
40.51
Jamie Arnold
Career
Per 9 Inningsverified
5
0.42
Jack Harper
Careerverified
Per 9 Innings
10
0.07
Jamie Arnold
Career
Per 9 Innings
0
0
Jack Harper
Career
Per 9 Innings
0
0
Jamie Arnold
Career
Per 9 Innings
0
0
Jack Harper
Career
Per 9 Innings
0
0
Jamie Arnold
Career
Per 9 Innings
0
0
Jack Harper
Career
Per 9 Innings
0
0
Jamie Arnold
Career
Per 9 Innings
0
0
Jack Harper
Career
Per 9 Innings
0
0

Hitting Stats for Jamie Arnold and Jack Harper

Jamie Arnold
Career
Per 600 PA
2
2
Jack Harper
Careerverified
Per 600 PAverified
8
8
Jamie Arnold
Career
Per 600 PAverified
50
1428.57
Jack Harper
Careerverified
Per 600 PA
160
191.62
Jamie Arnold
Career
Per 600 PA
21
600
Jack Harper
Careerverified
Per 600 PA
501
600
Jamie Arnold
Career
Per 600 PAverified
19
542.86
Jack Harper
Careerverified
Per 600 PA
451
540.12
Jamie Arnold
Career
Per 600 PA
0.158
0.158
Jack Harper
Careerverified
Per 600 PAverified
0.186
0.186
Jamie Arnold
Career
Per 600 PA
0.452
0.452
Jack Harper
Careerverified
Per 600 PAverified
0.531
0.531
Jamie Arnold
Career
Per 600 PA
3
85.71
Jack Harper
Careerverified
Per 600 PAverified
84
100.6
Jamie Arnold
Career
Per 600 PA
2
57.14
Jack Harper
Careerverified
Per 600 PAverified
67
80.24
Jamie Arnold
Career
Per 600 PAverified
1
28.57
Jack Harper
Careerverified
Per 600 PA
9
10.78
Jamie Arnold
Career
Per 600 PA
0
0
Jack Harper
Careerverified
Per 600 PAverified
7
8.38
Jamie Arnold
Career
Per 600 PA
0
0
Jack Harper
Careerverified
Per 600 PAverified
1
1.2
Jamie Arnold
Career
Per 600 PAverified
1
28.57
Jack Harper
Careerverified
Per 600 PA
17
20.36
Jamie Arnold
Careerverified
Per 600 PAverified
0.333
0.333
Jack Harper
Career
Per 600 PA
0.202
0.202
Jamie Arnold
Career
Per 600 PA
0
0
Jack Harper
Careerverified
Per 600 PAverified
0.002
0.002
Jamie Arnold
Career
Per 600 PA
0
0
Jack Harper
Careerverified
Per 600 PAverified
0.012
0.012
Jamie Arnold
Career
Per 600 PA
0.85
24.16
Jack Harper
Careerverified
Per 600 PAverified
30.24
36.22
Jamie Arnold
Career
Per 600 PA
4
114.29
Jack Harper
Careerverified
Per 600 PAverified
110
131.74
Jamie Arnold
Career
Per 600 PA
4
114.29
Jack Harper
Careerverified
Per 600 PAverified
120
143.71
Jamie Arnold
Career
Per 600 PA
0.2
0.2
Jack Harper
Careerverified
Per 600 PAverified
0.246
0.246
Jamie Arnold
Career
Per 600 PA
0.211
0.211
Jack Harper
Careerverified
Per 600 PAverified
0.244
0.244
Jamie Arnold
Career
Per 600 PA
0.411
0.411
Jack Harper
Careerverified
Per 600 PAverified
0.49
0.49
Jamie Arnold
Career
Per 600 PA
0.053
0.053
Jack Harper
Careerverified
Per 600 PAverified
0.058
0.058
Jamie Arnold
Career
Per 600 PA
0.143
0.143
Jack Harper
Careerverified
Per 600 PAverified
0.172
0.172
Jamie Arnold
Career
Per 600 PA
0.313
0.313
Jack Harper
Careerverified
Per 600 PAverified
0.411
0.411
Jamie Arnold
Career
Per 600 PA
0.231
0.231
Jack Harper
Careerverified
Per 600 PAverified
0.248
0.248
Jamie Arnold
Career
Per 600 PA
1
28.57
Jack Harper
Careerverified
Per 600 PAverified
51
61.08
Jamie Arnold
Career
Per 600 PA
1
28.57
Jack Harper
Careerverified
Per 600 PAverified
41
49.1
Jamie Arnold
Career
Per 600 PA
2
57.14
Jack Harper
Careerverified
Per 600 PAverified
91
108.98
Jamie Arnold
Career
Per 600 PA
0.6
17.01
Jack Harper
Careerverified
Per 600 PAverified
30.67
36.73
Jamie Arnold
Career
Per 600 PAverified
1
28.57
Jack Harper
Careerverified
Per 600 PA
2
2.4
Jamie Arnold
Career
Per 600 PA
0
0
Jack Harper
Careerverified
Per 600 PAverified
34
40.72
Jamie Arnold
Career
Per 600 PA
0
0
Jack Harper
Career
Per 600 PA
0
0
Jamie Arnold
Careerverified
Per 600 PA
6
171.43
Jack Harper
Career
Per 600 PAverified
115
137.72
Jamie Arnold
Career
Per 600 PA
3.5
3.5
Jack Harper
Careerverified
Per 600 PAverified
4.36
4.36
Jamie Arnold
Career
Per 600 PA
0
0
Jack Harper
Careerverified
Per 600 PAverified
0.3
0.3
Jamie Arnold
Career
Per 600 PAverified
1
28.57
Jack Harper
Careerverified
Per 600 PA
14
16.77
Jamie Arnold
Career
Per 600 PA
0
0
Jack Harper
Career
Per 600 PA
0
0
Jamie Arnold
Career
Per 600 PA
0
0
Jack Harper
Career
Per 600 PA
0
0
Jamie Arnold
Career
Per 600 PA
0
0
Jack Harper
Careerverified
Per 600 PAverified
5
5.99
Jamie Arnold
Career
Per 600 PA
0
0
Jack Harper
Career
Per 600 PA
0
0
Jamie Arnold
Career
Per 600 PA
0
0
Jack Harper
Careerverified
Per 600 PAverified
5
5.99
Jamie Arnold
Career
Per 600 PA
Jack Harper
Careerverified
Per 600 PAverified
100
100