Jack Armstrong vs. Sean O'Sullivan — Career Comparison

Jack Armstrong
Gen XNew JerseyThrows RightBats RightNorth AmericaCincinnati RedsNational LeagueStarting PitcherAll-Star
Sean O'Sullivan
MillenialCaliforniaThrows RightBats RightNorth AmericaKansas City RoyalsAmerican LeagueStarting Pitcher

On the career pitching numbers, Jack Armstrong posted a stronger line than Sean O'Sullivan. Jack Armstrong posted stronger numbers in ERA (4.58 vs 6.01) and WHIP (1.458 vs 1.616). By the career numbers, Jack Armstrong 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 Jack Armstrong and Sean O'Sullivan

Jack Armstrong
Career
Per 9 Innings
7
7
Sean O'Sullivan
Career
Per 9 Innings
7
7
Jack Armstrong
Careerverified
Per 9 Innings
152
1.74
Sean O'Sullivan
Career
Per 9 Inningsverified
71
1.97
Jack Armstrong
Careerverified
Per 9 Innings
130
1.49
Sean O'Sullivan
Career
Per 9 Inningsverified
56
1.56
Jack Armstrong
Careerverified
Per 9 Inningsverified
40
0.46
Sean O'Sullivan
Career
Per 9 Innings
13
0.36
Jack Armstrong
Career
Per 9 Innings
65
0.74
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
23
0.64
Jack Armstrong
Careerverified
Per 9 Inningsverified
38.1
38.1
Sean O'Sullivan
Career
Per 9 Innings
36.11
36.11
Jack Armstrong
Careerverified
Per 9 Inningsverified
85.53
85.53
Sean O'Sullivan
Career
Per 9 Innings
78.87
78.87
Jack Armstrong
Careerverified
Per 9 Inningsverified
4
0.05
Sean O'Sullivan
Career
Per 9 Innings
0
0
Jack Armstrong
Careerverified
Per 9 Inningsverified
1
0.01
Sean O'Sullivan
Career
Per 9 Innings
0
0
Jack Armstrong
Career
Per 9 Innings
0
0
Sean O'Sullivan
Career
Per 9 Innings
0
0
Jack Armstrong
Career
Per 9 Inningsverified
400
4.58
Sean O'Sullivan
Careerverified
Per 9 Innings
216
6.01
Jack Armstrong
Careerverified
Per 9 Inningsverified
4.58
4.58
Sean O'Sullivan
Career
Per 9 Innings
6.01
6.01
Jack Armstrong
Careerverified
Per 9 Inningsverified
4.48
4.48
Sean O'Sullivan
Career
Per 9 Innings
5.98
5.98
Jack Armstrong
Careerverified
Per 9 Inningsverified
4.67
4.67
Sean O'Sullivan
Career
Per 9 Innings
5.58
5.58
Jack Armstrong
Careerverified
Per 9 Inningsverified
0.265
0.265
Sean O'Sullivan
Career
Per 9 Innings
0.305
0.305
Jack Armstrong
Careerverified
Per 9 Innings
2360
27
Sean O'Sullivan
Career
Per 9 Innings
971
27
Jack Armstrong
Careerverified
Per 9 Innings
786.2
9
Sean O'Sullivan
Career
Per 9 Innings
323.2
9
Jack Armstrong
Career
Per 9 Inningsverified
807
9.23
Sean O'Sullivan
Careerverified
Per 9 Innings
398
11.07
Jack Armstrong
Careerverified
Per 9 Inningsverified
9.23
9.23
Sean O'Sullivan
Career
Per 9 Innings
11.07
11.07
Jack Armstrong
Career
Per 9 Inningsverified
102
1.17
Sean O'Sullivan
Careerverified
Per 9 Innings
59
1.64
Jack Armstrong
Careerverified
Per 9 Inningsverified
1.17
1.17
Sean O'Sullivan
Career
Per 9 Innings
1.64
1.64
Jack Armstrong
Careerverified
Per 9 Inningsverified
0.67
0.67
Sean O'Sullivan
Career
Per 9 Innings
0.83
0.83
Jack Armstrong
Career
Per 9 Innings
319
3.65
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
115
3.2
Jack Armstrong
Career
Per 9 Inningsverified
21
0.24
Sean O'Sullivan
Careerverified
Per 9 Innings
10
0.28
Jack Armstrong
Career
Per 9 Innings
3.65
3.65
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
3.2
3.2
Jack Armstrong
Careerverified
Per 9 Inningsverified
510
5.83
Sean O'Sullivan
Career
Per 9 Innings
158
4.39
Jack Armstrong
Careerverified
Per 9 Inningsverified
5.83
5.83
Sean O'Sullivan
Career
Per 9 Innings
4.39
4.39
Jack Armstrong
Careerverified
Per 9 Inningsverified
3.36
3.36
Sean O'Sullivan
Career
Per 9 Innings
2.23
2.23
Jack Armstrong
Careerverified
Per 9 Inningsverified
1.054
1.054
Sean O'Sullivan
Career
Per 9 Innings
0.844
0.844
Jack Armstrong
Career
Per 9 Inningsverified
26
0.3
Sean O'Sullivan
Careerverified
Per 9 Innings
13
0.36
Jack Armstrong
Career
Per 9 Inningsverified
18
0.21
Sean O'Sullivan
Careerverified
Per 9 Innings
13
0.36
Jack Armstrong
Career
Per 9 Innings
13
0.15
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
2
0.06
Jack Armstrong
Careerverified
Per 9 Innings
3450
39.47
Sean O'Sullivan
Career
Per 9 Inningsverified
1464
40.71
Jack Armstrong
Careerverified
Per 9 Innings
10
0.11
Sean O'Sullivan
Career
Per 9 Inningsverified
9
0.25
Jack Armstrong
Career
Per 9 Inningsverified
439
5.02
Sean O'Sullivan
Careerverified
Per 9 Innings
226
6.28
Jack Armstrong
Careerverified
Per 9 Inningsverified
5.02
5.02
Sean O'Sullivan
Career
Per 9 Innings
6.28
6.28
Jack Armstrong
Career
Per 9 Innings
34
0.39
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
11
0.31
Jack Armstrong
Career
Per 9 Inningsverified
35
0.4
Sean O'Sullivan
Careerverified
Per 9 Innings
19
0.53
Jack Armstrong
Careerverified
Per 9 Innings
37
0.42
Sean O'Sullivan
Career
Per 9 Inningsverified
32
0.89
Jack Armstrong
Careerverified
Per 9 Inningsverified
1.431
1.431
Sean O'Sullivan
Career
Per 9 Innings
1.585
1.585
Jack Armstrong
Careerverified
Per 9 Innings
3044
34.83
Sean O'Sullivan
Career
Per 9 Inningsverified
1306
36.32
Jack Armstrong
Careerverified
Per 9 Inningsverified
2.89
2.89
Sean O'Sullivan
Career
Per 9 Innings
3.18
3.18
Jack Armstrong
Careerverified
Per 9 Inningsverified
0.29
0.29
Sean O'Sullivan
Career
Per 9 Innings
0.311
0.311
Jack Armstrong
Career
Per 9 Innings
39.47
39.47
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
40.71
40.71

Fielding Stats for Jack Armstrong and Sean O'Sullivan

Jack Armstrong
Career
Per 9 Innings
7
7
Sean O'Sullivan
Career
Per 9 Innings
7
7
Jack Armstrong
Careerverified
Per 9 Innings
152
1.74
Sean O'Sullivan
Career
Per 9 Inningsverified
71
1.97
Jack Armstrong
Careerverified
Per 9 Innings
130
1.49
Sean O'Sullivan
Career
Per 9 Inningsverified
56
1.56
Jack Armstrong
Careerverified
Per 9 Innings
2360
27
Sean O'Sullivan
Career
Per 9 Innings
971
27
Jack Armstrong
Careerverified
Per 9 Innings
786.2
9
Sean O'Sullivan
Career
Per 9 Innings
323.2
9
Jack Armstrong
Careerverified
Per 9 Inningsverified
62
0.71
Sean O'Sullivan
Career
Per 9 Innings
22
0.61
Jack Armstrong
Careerverified
Per 9 Inningsverified
111
1.27
Sean O'Sullivan
Career
Per 9 Innings
31
0.86
Jack Armstrong
Career
Per 9 Innings
8
0.09
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
3
0.08
Jack Armstrong
Careerverified
Per 9 Inningsverified
181
2.07
Sean O'Sullivan
Career
Per 9 Innings
56
1.56
Jack Armstrong
Careerverified
Per 9 Inningsverified
173
1.98
Sean O'Sullivan
Career
Per 9 Innings
53
1.47
Jack Armstrong
Careerverified
Per 9 Inningsverified
95.58
95.58
Sean O'Sullivan
Career
Per 9 Innings
94.64
94.64
Jack Armstrong
Careerverified
Per 9 Inningsverified
1.138
1.138
Sean O'Sullivan
Career
Per 9 Innings
0.747
0.747
Jack Armstrong
Careerverified
Per 9 Inningsverified
85.53
85.53
Sean O'Sullivan
Career
Per 9 Innings
78.87
78.87
Jack Armstrong
Careerverified
Per 9 Innings
5
0.06
Sean O'Sullivan
Career
Per 9 Innings
2
0.06
Jack Armstrong
Career
Per 9 Innings
0
0
Sean O'Sullivan
Career
Per 9 Innings
0
0
Jack Armstrong
Career
Per 9 Innings
0
0
Sean O'Sullivan
Career
Per 9 Innings
0
0
Jack Armstrong
Career
Per 9 Innings
0
0
Sean O'Sullivan
Career
Per 9 Innings
0
0
Jack Armstrong
Career
Per 9 Innings
0
0
Sean O'Sullivan
Career
Per 9 Innings
0
0

Hitting Stats for Jack Armstrong and Sean O'Sullivan

Jack Armstrong
Career
Per 600 PA
7
7
Sean O'Sullivan
Career
Per 600 PA
7
7
Jack Armstrong
Careerverified
Per 600 PA
153
426.98
Sean O'Sullivan
Career
Per 600 PAverified
71
1183.33
Jack Armstrong
Careerverified
Per 600 PA
215
600
Sean O'Sullivan
Career
Per 600 PA
36
600
Jack Armstrong
Careerverified
Per 600 PA
185
516.28
Sean O'Sullivan
Career
Per 600 PAverified
33
550
Jack Armstrong
Career
Per 600 PA
0.114
0.114
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.121
0.121
Jack Armstrong
Career
Per 600 PA
0.354
0.354
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.375
0.375
Jack Armstrong
Careerverified
Per 600 PA
21
58.6
Sean O'Sullivan
Career
Per 600 PAverified
4
66.67
Jack Armstrong
Careerverified
Per 600 PAverified
19
53.02
Sean O'Sullivan
Career
Per 600 PA
2
33.33
Jack Armstrong
Career
Per 600 PA
2
5.58
Sean O'Sullivan
Career
Per 600 PAverified
2
33.33
Jack Armstrong
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Jack Armstrong
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Jack Armstrong
Career
Per 600 PA
2
5.58
Sean O'Sullivan
Career
Per 600 PAverified
2
33.33
Jack Armstrong
Career
Per 600 PA
0.095
0.095
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.5
0.5
Jack Armstrong
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Jack Armstrong
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Jack Armstrong
Careerverified
Per 600 PA
2.16
6.02
Sean O'Sullivan
Career
Per 600 PAverified
0.94
15.66
Jack Armstrong
Careerverified
Per 600 PA
23
64.19
Sean O'Sullivan
Career
Per 600 PAverified
6
100
Jack Armstrong
Careerverified
Per 600 PA
25
69.77
Sean O'Sullivan
Career
Per 600 PAverified
5
83.33
Jack Armstrong
Career
Per 600 PA
0.132
0.132
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.147
0.147
Jack Armstrong
Career
Per 600 PA
0.124
0.124
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.182
0.182
Jack Armstrong
Career
Per 600 PA
0.257
0.257
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.329
0.329
Jack Armstrong
Career
Per 600 PA
0.011
0.011
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.061
0.061
Jack Armstrong
Career
Per 600 PA
0.091
0.091
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.112
0.112
Jack Armstrong
Career
Per 600 PA
0.159
0.159
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.241
0.241
Jack Armstrong
Career
Per 600 PA
0.206
0.206
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.25
0.25
Jack Armstrong
Careerverified
Per 600 PA
8
22.33
Sean O'Sullivan
Career
Per 600 PAverified
3
50
Jack Armstrong
Careerverified
Per 600 PAverified
8
22.33
Sean O'Sullivan
Career
Per 600 PA
0
0
Jack Armstrong
Careerverified
Per 600 PA
16
44.65
Sean O'Sullivan
Career
Per 600 PAverified
3
50
Jack Armstrong
Career
Per 600 PA
-4.73
-13.19
Sean O'Sullivan
Careerverified
Per 600 PAverified
-0.11
-1.78
Jack Armstrong
Careerverified
Per 600 PAverified
2
5.58
Sean O'Sullivan
Career
Per 600 PA
0
0
Jack Armstrong
Careerverified
Per 600 PA
2
5.58
Sean O'Sullivan
Career
Per 600 PAverified
1
16.67
Jack Armstrong
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Jack Armstrong
Career
Per 600 PAverified
83
231.63
Sean O'Sullivan
Careerverified
Per 600 PA
17
283.33
Jack Armstrong
Careerverified
Per 600 PAverified
2.59
2.59
Sean O'Sullivan
Career
Per 600 PA
2.12
2.12
Jack Armstrong
Career
Per 600 PA
0.02
0.02
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.06
0.06
Jack Armstrong
Careerverified
Per 600 PAverified
26
72.56
Sean O'Sullivan
Career
Per 600 PA
2
33.33
Jack Armstrong
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Jack Armstrong
Career
Per 600 PA
6
16.74
Sean O'Sullivan
Careerverified
Per 600 PAverified
0
0
Jack Armstrong
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Jack Armstrong
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Jack Armstrong
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Jack Armstrong
Career
Per 600 PA
Sean O'Sullivan
Career
Per 600 PA