Jonathan Aro vs. Jack Marshall — Career Comparison

Jonathan Aro
MillenialD.R.Throws RightBats RightCaribbeanBoston Red SoxAmerican LeagueRelief Pitcher
Jack Marshall
Lost GenerationMissouriThrows RightBats RightNorth AmericaChicago American GiantsNegro American LeagueStarting Pitcher

Jack Marshall built a career as a starting pitcher and Jonathan Aro as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jack Marshall posted stronger surface numbers — ERA 4.23 and WHIP 1.480 compared to 6.55 and 1.909 for Jonathan Aro. By the career numbers, Jack Marshall had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Jonathan Aro and Jack Marshall

Jonathan Aro
Career
Per 9 Innings
2
2
Jack Marshall
Careerverified
Per 9 Inningsverified
7
7
Jonathan Aro
Career
Per 9 Inningsverified
7
5.73
Jack Marshall
Careerverified
Per 9 Innings
101
1.45
Jonathan Aro
Career
Per 9 Innings
0
0
Jack Marshall
Careerverified
Per 9 Inningsverified
70
1.01
Jonathan Aro
Career
Per 9 Innings
0
0
Jack Marshall
Careerverified
Per 9 Inningsverified
35
0.5
Jonathan Aro
Careerverified
Per 9 Innings
1
0.82
Jack Marshall
Career
Per 9 Inningsverified
31
0.45
Jonathan Aro
Career
Per 9 Innings
0
0
Jack Marshall
Careerverified
Per 9 Inningsverified
53.03
53.03
Jonathan Aro
Career
Per 9 Innings
0
0
Jack Marshall
Careerverified
Per 9 Inningsverified
69.31
69.31
Jonathan Aro
Career
Per 9 Innings
0
0
Jack Marshall
Careerverified
Per 9 Inningsverified
39
0.56
Jonathan Aro
Career
Per 9 Innings
0
0
Jack Marshall
Careerverified
Per 9 Inningsverified
4
0.06
Jonathan Aro
Career
Per 9 Innings
0
0
Jack Marshall
Careerverified
Per 9 Inningsverified
2
0.03
Jonathan Aro
Careerverified
Per 9 Innings
8
6.55
Jack Marshall
Career
Per 9 Inningsverified
294
4.23
Jonathan Aro
Career
Per 9 Innings
6.55
6.55
Jack Marshall
Careerverified
Per 9 Inningsverified
4.23
4.23
Jonathan Aro
Career
Per 9 Innings
7.73
7.73
Jack Marshall
Careerverified
Per 9 Inningsverified
4.21
4.21
Jonathan Aro
Career
Per 9 Innings
5.27
5.27
Jack Marshall
Careerverified
Per 9 Inningsverified
4.22
4.22
Jonathan Aro
Career
Per 9 Innings
0.34
0.34
Jack Marshall
Careerverified
Per 9 Inningsverified
0.273
0.273
Jonathan Aro
Career
Per 9 Innings
33
27
Jack Marshall
Careerverified
Per 9 Innings
1877
27
Jonathan Aro
Career
Per 9 Innings
11
9
Jack Marshall
Careerverified
Per 9 Innings
625.2
9
Jonathan Aro
Careerverified
Per 9 Innings
16
13.09
Jack Marshall
Career
Per 9 Inningsverified
646
9.29
Jonathan Aro
Career
Per 9 Innings
13.09
13.09
Jack Marshall
Careerverified
Per 9 Inningsverified
9.29
9.29
Jonathan Aro
Careerverified
Per 9 Innings
2
1.64
Jack Marshall
Career
Per 9 Inningsverified
30
0.43
Jonathan Aro
Career
Per 9 Innings
1.64
1.64
Jack Marshall
Careerverified
Per 9 Inningsverified
0.43
0.43
Jonathan Aro
Careerverified
Per 9 Inningsverified
0.29
0.29
Jack Marshall
Career
Per 9 Innings
0.3
0.3
Jonathan Aro
Careerverified
Per 9 Innings
5
4.09
Jack Marshall
Career
Per 9 Inningsverified
280
4.03
Jonathan Aro
Career
Per 9 Innings
0
0
Jack Marshall
Career
Per 9 Innings
0
0
Jonathan Aro
Career
Per 9 Innings
4.09
4.09
Jack Marshall
Careerverified
Per 9 Inningsverified
4.03
4.03
Jonathan Aro
Career
Per 9 Inningsverified
8
6.55
Jack Marshall
Careerverified
Per 9 Innings
268
3.86
Jonathan Aro
Careerverified
Per 9 Inningsverified
6.55
6.55
Jack Marshall
Career
Per 9 Innings
3.86
3.86
Jonathan Aro
Career
Per 9 Innings
1.14
1.14
Jack Marshall
Careerverified
Per 9 Inningsverified
2.65
2.65
Jonathan Aro
Careerverified
Per 9 Inningsverified
1.182
1.182
Jack Marshall
Career
Per 9 Innings
0.876
0.876
Jonathan Aro
Careerverified
Per 9 Inningsverified
0
0
Jack Marshall
Career
Per 9 Innings
7
0.1
Jonathan Aro
Careerverified
Per 9 Inningsverified
0
0
Jack Marshall
Career
Per 9 Innings
23
0.33
Jonathan Aro
Careerverified
Per 9 Inningsverified
0
0
Jack Marshall
Career
Per 9 Innings
1
0.01
Jonathan Aro
Career
Per 9 Inningsverified
53
43.36
Jack Marshall
Careerverified
Per 9 Innings
2759
39.69
Jonathan Aro
Career
Per 9 Inningsverified
2
1.64
Jack Marshall
Careerverified
Per 9 Innings
13
0.19
Jonathan Aro
Careerverified
Per 9 Innings
8
6.55
Jack Marshall
Career
Per 9 Inningsverified
375
5.39
Jonathan Aro
Career
Per 9 Innings
6.55
6.55
Jack Marshall
Careerverified
Per 9 Inningsverified
5.39
5.39
Jonathan Aro
Careerverified
Per 9 Inningsverified
0
0
Jack Marshall
Career
Per 9 Innings
92
1.32
Jonathan Aro
Career
Per 9 Innings
1
0.82
Jack Marshall
Careerverified
Per 9 Inningsverified
0
0
Jonathan Aro
Career
Per 9 Innings
0
0
Jack Marshall
Careerverified
Per 9 Inningsverified
43
0.62
Jonathan Aro
Career
Per 9 Innings
1.909
1.909
Jack Marshall
Careerverified
Per 9 Inningsverified
1.48
1.48
Jonathan Aro
Career
Per 9 Inningsverified
47
38.45
Jack Marshall
Careerverified
Per 9 Innings
2364
34.01
Jonathan Aro
Careerverified
Per 9 Inningsverified
1.14
1.14
Jack Marshall
Career
Per 9 Innings
3.71
3.71
Jonathan Aro
Career
Per 9 Innings
0.378
0.378
Jack Marshall
Careerverified
Per 9 Inningsverified
0.298
0.298
Jonathan Aro
Careerverified
Per 9 Inningsverified
43.36
43.36
Jack Marshall
Career
Per 9 Innings
39.69
39.69

Fielding Stats for Jonathan Aro and Jack Marshall

Jonathan Aro
Career
Per 9 Innings
2
2
Jack Marshall
Careerverified
Per 9 Inningsverified
7
7
Jonathan Aro
Career
Per 9 Inningsverified
7
5.73
Jack Marshall
Careerverified
Per 9 Innings
102
1.47
Jonathan Aro
Career
Per 9 Innings
0
0
Jack Marshall
Careerverified
Per 9 Inningsverified
69
0.99
Jonathan Aro
Career
Per 9 Innings
33
27
Jack Marshall
Careerverified
Per 9 Innings
1875
27
Jonathan Aro
Career
Per 9 Innings
11
9
Jack Marshall
Careerverified
Per 9 Innings
625
9
Jonathan Aro
Career
Per 9 Inningsverified
1
0.82
Jack Marshall
Careerverified
Per 9 Innings
16
0.23
Jonathan Aro
Career
Per 9 Innings
0
0
Jack Marshall
Careerverified
Per 9 Inningsverified
193
2.78
Jonathan Aro
Careerverified
Per 9 Inningsverified
0
0
Jack Marshall
Career
Per 9 Innings
12
0.17
Jonathan Aro
Career
Per 9 Innings
1
0.82
Jack Marshall
Careerverified
Per 9 Inningsverified
221
3.18
Jonathan Aro
Career
Per 9 Innings
1
0.82
Jack Marshall
Careerverified
Per 9 Inningsverified
209
3.01
Jonathan Aro
Careerverified
Per 9 Inningsverified
100
100
Jack Marshall
Career
Per 9 Innings
94.57
94.57
Jonathan Aro
Career
Per 9 Innings
0.143
0.143
Jack Marshall
Careerverified
Per 9 Inningsverified
2.049
2.049
Jonathan Aro
Career
Per 9 Innings
0
0
Jack Marshall
Careerverified
Per 9 Inningsverified
67.65
67.65
Jonathan Aro
Career
Per 9 Innings
0
0
Jack Marshall
Careerverified
Per 9 Inningsverified
5
0.07
Jonathan Aro
Career
Per 9 Innings
0
0
Jack Marshall
Career
Per 9 Innings
0
0
Jonathan Aro
Career
Per 9 Innings
0
0
Jack Marshall
Career
Per 9 Innings
0
0
Jonathan Aro
Career
Per 9 Innings
0
0
Jack Marshall
Career
Per 9 Innings
0
0
Jonathan Aro
Career
Per 9 Innings
0
0
Jack Marshall
Career
Per 9 Innings
0
0

Hitting Stats for Jonathan Aro and Jack Marshall

Jonathan Aro
Career
Per 600 PA
2
Jack Marshall
Careerverified
Per 600 PAverified
7
7
Jonathan Aro
Career
Per 600 PA
7
Jack Marshall
Careerverified
Per 600 PAverified
104
243.75
Jonathan Aro
Career
Per 600 PA
0
Jack Marshall
Careerverified
Per 600 PAverified
256
600
Jonathan Aro
Career
Per 600 PA
0
Jack Marshall
Careerverified
Per 600 PAverified
214
501.56
Jonathan Aro
Career
Per 600 PA
Jack Marshall
Careerverified
Per 600 PAverified
0.187
0.187
Jonathan Aro
Career
Per 600 PA
Jack Marshall
Careerverified
Per 600 PAverified
0.513
0.513
Jonathan Aro
Career
Per 600 PA
0
Jack Marshall
Careerverified
Per 600 PAverified
40
93.75
Jonathan Aro
Career
Per 600 PA
0
Jack Marshall
Careerverified
Per 600 PAverified
39
91.41
Jonathan Aro
Career
Per 600 PA
0
Jack Marshall
Careerverified
Per 600 PAverified
1
2.34
Jonathan Aro
Career
Per 600 PA
0
Jack Marshall
Career
Per 600 PA
0
0
Jonathan Aro
Career
Per 600 PA
0
Jack Marshall
Career
Per 600 PA
0
0
Jonathan Aro
Career
Per 600 PA
0
Jack Marshall
Careerverified
Per 600 PAverified
1
2.34
Jonathan Aro
Career
Per 600 PA
Jack Marshall
Careerverified
Per 600 PAverified
0.025
0.025
Jonathan Aro
Career
Per 600 PA
Jack Marshall
Career
Per 600 PA
0
0
Jonathan Aro
Career
Per 600 PA
Jack Marshall
Career
Per 600 PA
0
0
Jonathan Aro
Career
Per 600 PA
Jack Marshall
Careerverified
Per 600 PAverified
10.15
23.79
Jonathan Aro
Career
Per 600 PA
0
Jack Marshall
Careerverified
Per 600 PAverified
41
96.09
Jonathan Aro
Career
Per 600 PA
0
Jack Marshall
Careerverified
Per 600 PAverified
55
128.91
Jonathan Aro
Career
Per 600 PA
Jack Marshall
Careerverified
Per 600 PAverified
0.24
0.24
Jonathan Aro
Career
Per 600 PA
Jack Marshall
Careerverified
Per 600 PAverified
0.192
0.192
Jonathan Aro
Career
Per 600 PA
Jack Marshall
Careerverified
Per 600 PAverified
0.432
0.432
Jonathan Aro
Career
Per 600 PA
Jack Marshall
Careerverified
Per 600 PAverified
0.005
0.005
Jonathan Aro
Career
Per 600 PA
Jack Marshall
Careerverified
Per 600 PAverified
0.156
0.156
Jonathan Aro
Career
Per 600 PA
Jack Marshall
Careerverified
Per 600 PAverified
0.328
0.328
Jonathan Aro
Career
Per 600 PA
Jack Marshall
Careerverified
Per 600 PAverified
0.19
0.19
Jonathan Aro
Career
Per 600 PA
0
Jack Marshall
Careerverified
Per 600 PAverified
19
44.53
Jonathan Aro
Career
Per 600 PA
0
Jack Marshall
Careerverified
Per 600 PAverified
16
37.5
Jonathan Aro
Career
Per 600 PA
0
Jack Marshall
Careerverified
Per 600 PAverified
35
82.03
Jonathan Aro
Career
Per 600 PA
Jack Marshall
Careerverified
Per 600 PAverified
12.62
29.58
Jonathan Aro
Career
Per 600 PA
0
Jack Marshall
Careerverified
Per 600 PAverified
2
4.69
Jonathan Aro
Career
Per 600 PA
0
Jack Marshall
Careerverified
Per 600 PAverified
13
30.47
Jonathan Aro
Career
Per 600 PA
0
Jack Marshall
Career
Per 600 PA
0
0
Jonathan Aro
Careerverified
Per 600 PAverified
0
Jack Marshall
Career
Per 600 PA
3
7.03
Jonathan Aro
Career
Per 600 PA
Jack Marshall
Careerverified
Per 600 PAverified
85.33
85.33
Jonathan Aro
Career
Per 600 PA
Jack Marshall
Careerverified
Per 600 PAverified
4.33
4.33
Jonathan Aro
Career
Per 600 PA
0
Jack Marshall
Careerverified
Per 600 PAverified
27
63.28
Jonathan Aro
Career
Per 600 PA
0
Jack Marshall
Career
Per 600 PA
0
0
Jonathan Aro
Career
Per 600 PA
0
Jack Marshall
Career
Per 600 PA
0
0
Jonathan Aro
Career
Per 600 PA
0
Jack Marshall
Careerverified
Per 600 PAverified
1
2.34
Jonathan Aro
Career
Per 600 PA
0
Jack Marshall
Career
Per 600 PA
0
0
Jonathan Aro
Career
Per 600 PA
0
Jack Marshall
Careerverified
Per 600 PAverified
1
2.34
Jonathan Aro
Career
Per 600 PA
Jack Marshall
Careerverified
Per 600 PAverified
100
100