Jonathan Aro vs. Win Mercer — Career Comparison

Jonathan Aro
MillenialD.R.Throws RightBats RightCaribbeanBoston Red SoxAmerican LeagueRelief Pitcher
Win Mercer
Pre-GenerationalWest VirginiaThrows RightBats LeftNorth AmericaWashington NationalsNational LeagueRelief Pitcher

On the career pitching numbers, Win Mercer posted a stronger line than Jonathan Aro. Win Mercer posted stronger numbers in ERA (3.98 vs 6.55) and WHIP (1.544 vs 1.909). By the career numbers, Win Mercer had the better of this comparison — though ERA and WHIP alone don't account for era, park factors, or the defenses each pitcher worked behind.

Pitching Stats for Jonathan Aro and Win Mercer

Jonathan Aro
Career
Per 9 Innings
2
2
Win Mercer
Careerverified
Per 9 Inningsverified
9
9
Jonathan Aro
Career
Per 9 Inningsverified
7
5.73
Win Mercer
Careerverified
Per 9 Innings
335
1.21
Jonathan Aro
Career
Per 9 Innings
0
0
Win Mercer
Careerverified
Per 9 Inningsverified
300
1.09
Jonathan Aro
Career
Per 9 Innings
0
0
Win Mercer
Careerverified
Per 9 Inningsverified
132
0.48
Jonathan Aro
Careerverified
Per 9 Innings
1
0.82
Win Mercer
Career
Per 9 Inningsverified
164
0.59
Jonathan Aro
Career
Per 9 Innings
0
0
Win Mercer
Careerverified
Per 9 Inningsverified
44.59
44.59
Jonathan Aro
Career
Per 9 Innings
0
0
Win Mercer
Careerverified
Per 9 Inningsverified
89.55
89.55
Jonathan Aro
Career
Per 9 Innings
0
0
Win Mercer
Careerverified
Per 9 Inningsverified
253
0.92
Jonathan Aro
Career
Per 9 Innings
0
0
Win Mercer
Careerverified
Per 9 Inningsverified
11
0.04
Jonathan Aro
Career
Per 9 Innings
0
0
Win Mercer
Careerverified
Per 9 Inningsverified
10
0.04
Jonathan Aro
Careerverified
Per 9 Innings
8
6.55
Win Mercer
Career
Per 9 Inningsverified
1098
3.98
Jonathan Aro
Career
Per 9 Innings
6.55
6.55
Win Mercer
Careerverified
Per 9 Inningsverified
3.98
3.98
Jonathan Aro
Career
Per 9 Innings
7.73
7.73
Win Mercer
Careerverified
Per 9 Inningsverified
4.76
4.76
Jonathan Aro
Career
Per 9 Innings
5.27
5.27
Win Mercer
Careerverified
Per 9 Inningsverified
3.99
3.99
Jonathan Aro
Career
Per 9 Innings
0.34
0.34
Win Mercer
Careerverified
Per 9 Inningsverified
0.302
0.302
Jonathan Aro
Career
Per 9 Innings
33
27
Win Mercer
Careerverified
Per 9 Innings
7454
27
Jonathan Aro
Career
Per 9 Innings
11
9
Win Mercer
Careerverified
Per 9 Innings
2484.2
9
Jonathan Aro
Careerverified
Per 9 Innings
16
13.09
Win Mercer
Career
Per 9 Inningsverified
3081
11.16
Jonathan Aro
Career
Per 9 Innings
13.09
13.09
Win Mercer
Careerverified
Per 9 Inningsverified
11.16
11.16
Jonathan Aro
Careerverified
Per 9 Innings
2
1.64
Win Mercer
Career
Per 9 Inningsverified
64
0.23
Jonathan Aro
Career
Per 9 Innings
1.64
1.64
Win Mercer
Careerverified
Per 9 Inningsverified
0.23
0.23
Jonathan Aro
Career
Per 9 Innings
0.29
0.29
Win Mercer
Careerverified
Per 9 Inningsverified
0.19
0.19
Jonathan Aro
Careerverified
Per 9 Innings
5
4.09
Win Mercer
Career
Per 9 Inningsverified
755
2.73
Jonathan Aro
Career
Per 9 Innings
0
0
Win Mercer
Career
Per 9 Innings
0
0
Jonathan Aro
Career
Per 9 Innings
4.09
4.09
Win Mercer
Careerverified
Per 9 Inningsverified
2.73
2.73
Jonathan Aro
Career
Per 9 Inningsverified
8
6.55
Win Mercer
Careerverified
Per 9 Innings
532
1.93
Jonathan Aro
Careerverified
Per 9 Inningsverified
6.55
6.55
Win Mercer
Career
Per 9 Innings
1.93
1.93
Jonathan Aro
Career
Per 9 Innings
1.14
1.14
Win Mercer
Careerverified
Per 9 Inningsverified
1.59
1.59
Jonathan Aro
Careerverified
Per 9 Inningsverified
1.182
1.182
Win Mercer
Career
Per 9 Innings
0.518
0.518
Jonathan Aro
Careerverified
Per 9 Inningsverified
0
0
Win Mercer
Career
Per 9 Innings
43
0.16
Jonathan Aro
Careerverified
Per 9 Inningsverified
0
0
Win Mercer
Career
Per 9 Innings
144
0.52
Jonathan Aro
Career
Per 9 Innings
0
0
Win Mercer
Career
Per 9 Innings
0
0
Jonathan Aro
Career
Per 9 Inningsverified
53
43.36
Win Mercer
Careerverified
Per 9 Innings
11106
40.23
Jonathan Aro
Career
Per 9 Inningsverified
2
1.64
Win Mercer
Careerverified
Per 9 Innings
34
0.12
Jonathan Aro
Careerverified
Per 9 Innings
8
6.55
Win Mercer
Career
Per 9 Inningsverified
1753
6.35
Jonathan Aro
Career
Per 9 Innings
6.55
6.55
Win Mercer
Careerverified
Per 9 Inningsverified
6.35
6.35
Jonathan Aro
Career
Per 9 Innings
0
0
Win Mercer
Career
Per 9 Innings
0
0
Jonathan Aro
Career
Per 9 Innings
1
0.82
Win Mercer
Careerverified
Per 9 Inningsverified
0
0
Jonathan Aro
Career
Per 9 Innings
0
0
Win Mercer
Career
Per 9 Innings
0
0
Jonathan Aro
Career
Per 9 Innings
1.909
1.909
Win Mercer
Careerverified
Per 9 Inningsverified
1.544
1.544
Jonathan Aro
Career
Per 9 Inningsverified
47
38.45
Win Mercer
Careerverified
Per 9 Innings
10207
36.97
Jonathan Aro
Careerverified
Per 9 Inningsverified
1.14
1.14
Win Mercer
Career
Per 9 Innings
5.23
5.23
Jonathan Aro
Career
Per 9 Innings
0.378
0.378
Win Mercer
Careerverified
Per 9 Inningsverified
0.314
0.314
Jonathan Aro
Careerverified
Per 9 Inningsverified
43.36
43.36
Win Mercer
Career
Per 9 Innings
40.23
40.23

Fielding Stats for Jonathan Aro and Win Mercer

Jonathan Aro
Career
Per 9 Innings
2
2
Win Mercer
Careerverified
Per 9 Inningsverified
9
9
Jonathan Aro
Career
Per 9 Inningsverified
7
5.73
Win Mercer
Careerverified
Per 9 Innings
553
1.22
Jonathan Aro
Career
Per 9 Innings
0
0
Win Mercer
Career
Per 9 Innings
0
0
Jonathan Aro
Career
Per 9 Innings
33
27
Win Mercer
Careerverified
Per 9 Innings
12210
27
Jonathan Aro
Career
Per 9 Innings
11
9
Win Mercer
Careerverified
Per 9 Innings
4070
9
Jonathan Aro
Career
Per 9 Innings
1
0.82
Win Mercer
Careerverified
Per 9 Inningsverified
507
1.12
Jonathan Aro
Career
Per 9 Innings
0
0
Win Mercer
Careerverified
Per 9 Inningsverified
884
1.95
Jonathan Aro
Careerverified
Per 9 Inningsverified
0
0
Win Mercer
Career
Per 9 Innings
191
0.42
Jonathan Aro
Career
Per 9 Innings
1
0.82
Win Mercer
Careerverified
Per 9 Inningsverified
1582
3.5
Jonathan Aro
Career
Per 9 Innings
1
0.82
Win Mercer
Careerverified
Per 9 Inningsverified
1391
3.08
Jonathan Aro
Careerverified
Per 9 Inningsverified
100
100
Win Mercer
Career
Per 9 Innings
87.93
87.93
Jonathan Aro
Career
Per 9 Innings
0.143
0.143
Win Mercer
Careerverified
Per 9 Inningsverified
2.515
2.515
Jonathan Aro
Career
Per 9 Innings
0
0
Win Mercer
Career
Per 9 Innings
0
0
Jonathan Aro
Career
Per 9 Innings
0
0
Win Mercer
Careerverified
Per 9 Inningsverified
50
0.11
Jonathan Aro
Career
Per 9 Innings
0
0
Win Mercer
Career
Per 9 Innings
0
0
Jonathan Aro
Career
Per 9 Innings
0
0
Win Mercer
Career
Per 9 Innings
0
0
Jonathan Aro
Career
Per 9 Innings
0
0
Win Mercer
Career
Per 9 Innings
0
0
Jonathan Aro
Career
Per 9 Innings
0
0
Win Mercer
Career
Per 9 Innings
0
0

Hitting Stats for Jonathan Aro and Win Mercer

Jonathan Aro
Career
Per 600 PA
2
Win Mercer
Careerverified
Per 600 PAverified
9
9
Jonathan Aro
Career
Per 600 PA
7
Win Mercer
Careerverified
Per 600 PAverified
566
172.65
Jonathan Aro
Career
Per 600 PA
0
Win Mercer
Careerverified
Per 600 PAverified
1967
600
Jonathan Aro
Career
Per 600 PA
0
Win Mercer
Careerverified
Per 600 PAverified
1773
540.82
Jonathan Aro
Career
Per 600 PA
Win Mercer
Careerverified
Per 600 PAverified
0.285
0.285
Jonathan Aro
Career
Per 600 PA
Win Mercer
Careerverified
Per 600 PAverified
0.741
0.741
Jonathan Aro
Career
Per 600 PA
0
Win Mercer
Careerverified
Per 600 PAverified
506
154.35
Jonathan Aro
Career
Per 600 PA
0
Win Mercer
Careerverified
Per 600 PAverified
437
133.3
Jonathan Aro
Career
Per 600 PA
0
Win Mercer
Careerverified
Per 600 PAverified
39
11.9
Jonathan Aro
Career
Per 600 PA
0
Win Mercer
Careerverified
Per 600 PAverified
23
7.02
Jonathan Aro
Career
Per 600 PA
0
Win Mercer
Careerverified
Per 600 PAverified
7
2.14
Jonathan Aro
Career
Per 600 PA
0
Win Mercer
Careerverified
Per 600 PAverified
69
21.05
Jonathan Aro
Career
Per 600 PA
Win Mercer
Careerverified
Per 600 PAverified
0.136
0.136
Jonathan Aro
Career
Per 600 PA
Win Mercer
Careerverified
Per 600 PAverified
0.004
0.004
Jonathan Aro
Career
Per 600 PA
Win Mercer
Careerverified
Per 600 PAverified
0.014
0.014
Jonathan Aro
Career
Per 600 PA
Win Mercer
Careerverified
Per 600 PAverified
238.63
72.79
Jonathan Aro
Career
Per 600 PA
0
Win Mercer
Careerverified
Per 600 PAverified
612
186.68
Jonathan Aro
Career
Per 600 PA
0
Win Mercer
Careerverified
Per 600 PAverified
664
202.54
Jonathan Aro
Career
Per 600 PA
Win Mercer
Careerverified
Per 600 PAverified
0.344
0.344
Jonathan Aro
Career
Per 600 PA
Win Mercer
Careerverified
Per 600 PAverified
0.345
0.345
Jonathan Aro
Career
Per 600 PA
Win Mercer
Careerverified
Per 600 PAverified
0.689
0.689
Jonathan Aro
Career
Per 600 PA
Win Mercer
Careerverified
Per 600 PAverified
0.06
0.06
Jonathan Aro
Career
Per 600 PA
Win Mercer
Careerverified
Per 600 PAverified
0.241
0.241
Jonathan Aro
Career
Per 600 PA
Win Mercer
Careerverified
Per 600 PAverified
0.677
0.677
Jonathan Aro
Career
Per 600 PA
Win Mercer
Careerverified
Per 600 PAverified
0.314
0.314
Jonathan Aro
Career
Per 600 PA
0
Win Mercer
Careerverified
Per 600 PAverified
278
84.8
Jonathan Aro
Career
Per 600 PA
0
Win Mercer
Careerverified
Per 600 PAverified
197
60.09
Jonathan Aro
Career
Per 600 PA
0
Win Mercer
Careerverified
Per 600 PAverified
468
142.76
Jonathan Aro
Career
Per 600 PA
Win Mercer
Careerverified
Per 600 PAverified
270.24
82.43
Jonathan Aro
Career
Per 600 PA
0
Win Mercer
Careerverified
Per 600 PAverified
17
5.19
Jonathan Aro
Career
Per 600 PA
0
Win Mercer
Careerverified
Per 600 PAverified
141
43.01
Jonathan Aro
Career
Per 600 PA
0
Win Mercer
Career
Per 600 PA
0
0
Jonathan Aro
Careerverified
Per 600 PAverified
0
Win Mercer
Career
Per 600 PA
178
54.3
Jonathan Aro
Career
Per 600 PA
Win Mercer
Careerverified
Per 600 PAverified
11.05
11.05
Jonathan Aro
Career
Per 600 PA
Win Mercer
Careerverified
Per 600 PAverified
0.79
0.79
Jonathan Aro
Career
Per 600 PA
0
Win Mercer
Careerverified
Per 600 PAverified
36
10.98
Jonathan Aro
Career
Per 600 PA
0
Win Mercer
Career
Per 600 PA
0
0
Jonathan Aro
Career
Per 600 PA
0
Win Mercer
Career
Per 600 PA
0
0
Jonathan Aro
Career
Per 600 PA
0
Win Mercer
Careerverified
Per 600 PAverified
88
26.84
Jonathan Aro
Career
Per 600 PA
0
Win Mercer
Career
Per 600 PA
0
0
Jonathan Aro
Career
Per 600 PA
0
Win Mercer
Careerverified
Per 600 PAverified
88
26.84
Jonathan Aro
Career
Per 600 PA
Win Mercer
Careerverified
Per 600 PAverified
100
100