Rolando Arrojo vs. Jack O'Connor — Career Comparison

Rolando Arrojo
Gen XCubaThrows RightBats RightCaribbeanBoston Red SoxAmerican LeagueStarting PitcherAll-Star
Jack O'Connor
Baby BoomersCaliforniaThrows LeftBats LeftNorth AmericaMinnesota TwinsAmerican LeagueRelief Pitcher

Rolando Arrojo built a career as a starting pitcher and Jack O'Connor as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Rolando Arrojo led in run prevention (ERA+ 110 vs 80), home run suppression (HR9+ 114 vs 89), and strikeout rate (K%+ 109 vs 85). Role difference aside, Rolando Arrojo holds a clear edge on every meaningful shared measure.

Pitching Stats for Rolando Arrojo and Jack O'Connor

Rolando Arrojo
Career
Per 9 Innings
5
5
Jack O'Connor
Careerverified
Per 9 Inningsverified
6
6
Rolando Arrojo
Careerverified
Per 9 Innings
158
2.03
Jack O'Connor
Career
Per 9 Inningsverified
129
3.64
Rolando Arrojo
Careerverified
Per 9 Inningsverified
105
1.35
Jack O'Connor
Career
Per 9 Innings
28
0.79
Rolando Arrojo
Careerverified
Per 9 Inningsverified
40
0.51
Jack O'Connor
Career
Per 9 Innings
14
0.4
Rolando Arrojo
Career
Per 9 Innings
42
0.54
Jack O'Connor
Careerverified
Per 9 Inningsverified
17
0.48
Rolando Arrojo
Careerverified
Per 9 Inningsverified
48.78
48.78
Jack O'Connor
Career
Per 9 Innings
45.16
45.16
Rolando Arrojo
Careerverified
Per 9 Inningsverified
66.46
66.46
Jack O'Connor
Career
Per 9 Innings
21.71
21.71
Rolando Arrojo
Career
Per 9 Innings
4
0.05
Jack O'Connor
Careerverified
Per 9 Inningsverified
6
0.17
Rolando Arrojo
Careerverified
Per 9 Innings
2
0.03
Jack O'Connor
Career
Per 9 Innings
1
0.03
Rolando Arrojo
Careerverified
Per 9 Inningsverified
6
0.08
Jack O'Connor
Career
Per 9 Innings
2
0.06
Rolando Arrojo
Career
Per 9 Inningsverified
354
4.55
Jack O'Connor
Careerverified
Per 9 Innings
173
4.89
Rolando Arrojo
Careerverified
Per 9 Inningsverified
4.55
4.55
Jack O'Connor
Career
Per 9 Innings
4.89
4.89
Rolando Arrojo
Careerverified
Per 9 Inningsverified
4.59
4.59
Jack O'Connor
Career
Per 9 Innings
5.02
5.02
Rolando Arrojo
Careerverified
Per 9 Inningsverified
4.46
4.46
Jack O'Connor
Career
Per 9 Innings
4.93
4.93
Rolando Arrojo
Careerverified
Per 9 Inningsverified
0.267
0.267
Jack O'Connor
Career
Per 9 Innings
0.278
0.278
Rolando Arrojo
Careerverified
Per 9 Innings
2100
27
Jack O'Connor
Career
Per 9 Innings
956
27
Rolando Arrojo
Careerverified
Per 9 Innings
700
9
Jack O'Connor
Career
Per 9 Innings
318.2
9
Rolando Arrojo
Career
Per 9 Inningsverified
715
9.19
Jack O'Connor
Careerverified
Per 9 Innings
343
9.69
Rolando Arrojo
Careerverified
Per 9 Inningsverified
9.19
9.19
Jack O'Connor
Career
Per 9 Innings
9.69
9.69
Rolando Arrojo
Career
Per 9 Innings
83
1.07
Jack O'Connor
Careerverified
Per 9 Inningsverified
36
1.02
Rolando Arrojo
Career
Per 9 Innings
1.07
1.07
Jack O'Connor
Careerverified
Per 9 Inningsverified
1.02
1.02
Rolando Arrojo
Career
Per 9 Innings
0.53
0.53
Jack O'Connor
Careerverified
Per 9 Inningsverified
0.28
0.28
Rolando Arrojo
Career
Per 9 Inningsverified
255
3.28
Jack O'Connor
Careerverified
Per 9 Innings
163
4.6
Rolando Arrojo
Careerverified
Per 9 Inningsverified
15
0.19
Jack O'Connor
Career
Per 9 Innings
22
0.62
Rolando Arrojo
Careerverified
Per 9 Inningsverified
3.28
3.28
Jack O'Connor
Career
Per 9 Innings
4.6
4.6
Rolando Arrojo
Careerverified
Per 9 Inningsverified
512
6.58
Jack O'Connor
Career
Per 9 Innings
177
5
Rolando Arrojo
Careerverified
Per 9 Inningsverified
6.58
6.58
Jack O'Connor
Career
Per 9 Innings
5
5
Rolando Arrojo
Careerverified
Per 9 Inningsverified
3.24
3.24
Jack O'Connor
Career
Per 9 Innings
1.37
1.37
Rolando Arrojo
Careerverified
Per 9 Inningsverified
1.096
1.096
Jack O'Connor
Career
Per 9 Innings
1.067
1.067
Rolando Arrojo
Career
Per 9 Inningsverified
13
0.17
Jack O'Connor
Careerverified
Per 9 Innings
10
0.28
Rolando Arrojo
Career
Per 9 Innings
67
0.86
Jack O'Connor
Careerverified
Per 9 Inningsverified
4
0.11
Rolando Arrojo
Career
Per 9 Inningsverified
3
0.04
Jack O'Connor
Careerverified
Per 9 Innings
2
0.06
Rolando Arrojo
Careerverified
Per 9 Innings
3040
39.09
Jack O'Connor
Career
Per 9 Inningsverified
1426
40.27
Rolando Arrojo
Career
Per 9 Innings
15
0.19
Jack O'Connor
Careerverified
Per 9 Inningsverified
37
1.04
Rolando Arrojo
Career
Per 9 Inningsverified
377
4.85
Jack O'Connor
Careerverified
Per 9 Innings
187
5.28
Rolando Arrojo
Careerverified
Per 9 Inningsverified
4.85
4.85
Jack O'Connor
Career
Per 9 Innings
5.28
5.28
Rolando Arrojo
Career
Per 9 Inningsverified
24
0.31
Jack O'Connor
Careerverified
Per 9 Innings
15
0.42
Rolando Arrojo
Career
Per 9 Inningsverified
18
0.23
Jack O'Connor
Careerverified
Per 9 Innings
11
0.31
Rolando Arrojo
Careerverified
Per 9 Innings
72
0.93
Jack O'Connor
Career
Per 9 Inningsverified
36
1.02
Rolando Arrojo
Careerverified
Per 9 Inningsverified
1.386
1.386
Jack O'Connor
Career
Per 9 Innings
1.588
1.588
Rolando Arrojo
Careerverified
Per 9 Innings
2676
34.41
Jack O'Connor
Career
Per 9 Inningsverified
1233
34.82
Rolando Arrojo
Career
Per 9 Innings
2.39
2.39
Jack O'Connor
Careerverified
Per 9 Inningsverified
1.45
1.45
Rolando Arrojo
Career
Per 9 Innings
0.304
0.304
Jack O'Connor
Careerverified
Per 9 Inningsverified
0.301
0.301
Rolando Arrojo
Career
Per 9 Innings
39.09
39.09
Jack O'Connor
Careerverified
Per 9 Inningsverified
40.27
40.27

Fielding Stats for Rolando Arrojo and Jack O'Connor

Rolando Arrojo
Career
Per 9 Innings
5
5
Jack O'Connor
Careerverified
Per 9 Inningsverified
6
6
Rolando Arrojo
Careerverified
Per 9 Innings
158
2.03
Jack O'Connor
Career
Per 9 Inningsverified
129
3.64
Rolando Arrojo
Careerverified
Per 9 Inningsverified
105
1.35
Jack O'Connor
Career
Per 9 Innings
28
0.79
Rolando Arrojo
Careerverified
Per 9 Innings
2100
27
Jack O'Connor
Career
Per 9 Innings
956
27
Rolando Arrojo
Careerverified
Per 9 Innings
700
9
Jack O'Connor
Career
Per 9 Innings
318.2
9
Rolando Arrojo
Careerverified
Per 9 Inningsverified
71
0.91
Jack O'Connor
Career
Per 9 Innings
10
0.28
Rolando Arrojo
Careerverified
Per 9 Inningsverified
110
1.41
Jack O'Connor
Career
Per 9 Innings
23
0.65
Rolando Arrojo
Career
Per 9 Innings
10
0.13
Jack O'Connor
Careerverified
Per 9 Inningsverified
3
0.08
Rolando Arrojo
Careerverified
Per 9 Inningsverified
191
2.46
Jack O'Connor
Career
Per 9 Innings
36
1.02
Rolando Arrojo
Careerverified
Per 9 Inningsverified
181
2.33
Jack O'Connor
Career
Per 9 Innings
33
0.93
Rolando Arrojo
Careerverified
Per 9 Inningsverified
94.76
94.76
Jack O'Connor
Career
Per 9 Innings
91.67
91.67
Rolando Arrojo
Careerverified
Per 9 Inningsverified
1.146
1.146
Jack O'Connor
Career
Per 9 Innings
0.256
0.256
Rolando Arrojo
Careerverified
Per 9 Inningsverified
66.46
66.46
Jack O'Connor
Career
Per 9 Innings
21.71
21.71
Rolando Arrojo
Careerverified
Per 9 Inningsverified
18
0.23
Jack O'Connor
Career
Per 9 Innings
5
0.14
Rolando Arrojo
Career
Per 9 Innings
0
0
Jack O'Connor
Career
Per 9 Innings
0
0
Rolando Arrojo
Career
Per 9 Innings
0
0
Jack O'Connor
Career
Per 9 Innings
0
0
Rolando Arrojo
Career
Per 9 Innings
0
0
Jack O'Connor
Career
Per 9 Innings
0
0
Rolando Arrojo
Career
Per 9 Innings
0
0
Jack O'Connor
Career
Per 9 Innings
0
0

Hitting Stats for Rolando Arrojo and Jack O'Connor

Rolando Arrojo
Career
Per 600 PAverified
5
5
Jack O'Connor
Careerverified
Per 600 PA
6
Rolando Arrojo
Careerverified
Per 600 PAverified
158
2257.14
Jack O'Connor
Career
Per 600 PA
129
Rolando Arrojo
Careerverified
Per 600 PAverified
42
600
Jack O'Connor
Career
Per 600 PA
0
Rolando Arrojo
Careerverified
Per 600 PAverified
37
528.57
Jack O'Connor
Career
Per 600 PA
0
Rolando Arrojo
Careerverified
Per 600 PAverified
0.081
0.081
Jack O'Connor
Career
Per 600 PA
Rolando Arrojo
Careerverified
Per 600 PAverified
0.298
0.298
Jack O'Connor
Career
Per 600 PA
Rolando Arrojo
Careerverified
Per 600 PAverified
3
42.86
Jack O'Connor
Career
Per 600 PA
0
Rolando Arrojo
Careerverified
Per 600 PAverified
2
28.57
Jack O'Connor
Career
Per 600 PA
0
Rolando Arrojo
Careerverified
Per 600 PAverified
1
14.29
Jack O'Connor
Career
Per 600 PA
0
Rolando Arrojo
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Rolando Arrojo
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Rolando Arrojo
Careerverified
Per 600 PAverified
1
14.29
Jack O'Connor
Career
Per 600 PA
0
Rolando Arrojo
Careerverified
Per 600 PAverified
0.333
0.333
Jack O'Connor
Career
Per 600 PA
Rolando Arrojo
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
Rolando Arrojo
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
Rolando Arrojo
Careerverified
Per 600 PAverified
0.45
6.4
Jack O'Connor
Career
Per 600 PA
Rolando Arrojo
Careerverified
Per 600 PAverified
4
57.14
Jack O'Connor
Career
Per 600 PA
0
Rolando Arrojo
Careerverified
Per 600 PAverified
4
57.14
Jack O'Connor
Career
Per 600 PA
0
Rolando Arrojo
Careerverified
Per 600 PAverified
0.105
0.105
Jack O'Connor
Career
Per 600 PA
Rolando Arrojo
Careerverified
Per 600 PAverified
0.108
0.108
Jack O'Connor
Career
Per 600 PA
Rolando Arrojo
Careerverified
Per 600 PAverified
0.213
0.213
Jack O'Connor
Career
Per 600 PA
Rolando Arrojo
Careerverified
Per 600 PAverified
0.027
0.027
Jack O'Connor
Career
Per 600 PA
Rolando Arrojo
Careerverified
Per 600 PAverified
0.074
0.074
Jack O'Connor
Career
Per 600 PA
Rolando Arrojo
Careerverified
Per 600 PAverified
0.147
0.147
Jack O'Connor
Career
Per 600 PA
Rolando Arrojo
Careerverified
Per 600 PAverified
0.177
0.177
Jack O'Connor
Career
Per 600 PA
Rolando Arrojo
Careerverified
Per 600 PAverified
2
28.57
Jack O'Connor
Career
Per 600 PA
0
Rolando Arrojo
Careerverified
Per 600 PAverified
3
42.86
Jack O'Connor
Career
Per 600 PA
0
Rolando Arrojo
Careerverified
Per 600 PAverified
5
71.43
Jack O'Connor
Career
Per 600 PA
0
Rolando Arrojo
Careerverified
Per 600 PAverified
-1.3
-18.58
Jack O'Connor
Career
Per 600 PA
Rolando Arrojo
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Rolando Arrojo
Careerverified
Per 600 PAverified
1
14.29
Jack O'Connor
Career
Per 600 PA
0
Rolando Arrojo
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Rolando Arrojo
Career
Per 600 PA
20
285.71
Jack O'Connor
Careerverified
Per 600 PAverified
0
Rolando Arrojo
Careerverified
Per 600 PAverified
2.1
2.1
Jack O'Connor
Career
Per 600 PA
Rolando Arrojo
Careerverified
Per 600 PAverified
0.05
0.05
Jack O'Connor
Career
Per 600 PA
Rolando Arrojo
Careerverified
Per 600 PAverified
4
57.14
Jack O'Connor
Career
Per 600 PA
0
Rolando Arrojo
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Rolando Arrojo
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Rolando Arrojo
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Rolando Arrojo
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Rolando Arrojo
Career
Per 600 PA
0
0
Jack O'Connor
Career
Per 600 PA
0
Rolando Arrojo
Career
Per 600 PA
Jack O'Connor
Career
Per 600 PA