Dan O'Brien vs. Jason Simontacchi — Career Comparison

Dan O'Brien
Baby BoomersFloridaThrows RightBats RightNorth AmericaSt. Louis CardinalsNational LeagueRelief Pitcher
Jason Simontacchi
Gen XCaliforniaThrows RightBats RightNorth AmericaSt. Louis CardinalsNational LeagueStarting Pitcher

Jason Simontacchi built a career as a starting pitcher and Dan O'Brien as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jason Simontacchi posted stronger surface numbers — ERA 5.09 and WHIP 1.496 compared to 5.9 and 1.931 for Dan O'Brien. By the career numbers, Jason Simontacchi had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Dan O'Brien and Jason Simontacchi

Dan O'Brien
Career
Per 9 Innings
2
2
Jason Simontacchi
Careerverified
Per 9 Inningsverified
4
4
Dan O'Brien
Career
Per 9 Inningsverified
13
4.03
Jason Simontacchi
Careerverified
Per 9 Innings
96
2.43
Dan O'Brien
Career
Per 9 Innings
2
0.62
Jason Simontacchi
Careerverified
Per 9 Inningsverified
53
1.34
Dan O'Brien
Career
Per 9 Innings
1
0.31
Jason Simontacchi
Careerverified
Per 9 Inningsverified
26
0.66
Dan O'Brien
Careerverified
Per 9 Innings
3
0.93
Jason Simontacchi
Career
Per 9 Inningsverified
17
0.43
Dan O'Brien
Career
Per 9 Innings
25
25
Jason Simontacchi
Careerverified
Per 9 Inningsverified
60.47
60.47
Dan O'Brien
Career
Per 9 Innings
15.38
15.38
Jason Simontacchi
Careerverified
Per 9 Inningsverified
55.21
55.21
Dan O'Brien
Career
Per 9 Innings
0
0
Jason Simontacchi
Careerverified
Per 9 Inningsverified
1
0.03
Dan O'Brien
Career
Per 9 Innings
0
0
Jason Simontacchi
Career
Per 9 Innings
0
0
Dan O'Brien
Career
Per 9 Innings
0
0
Jason Simontacchi
Careerverified
Per 9 Inningsverified
1
0.03
Dan O'Brien
Careerverified
Per 9 Innings
19
5.9
Jason Simontacchi
Career
Per 9 Inningsverified
201
5.09
Dan O'Brien
Career
Per 9 Innings
5.9
5.9
Jason Simontacchi
Careerverified
Per 9 Inningsverified
5.09
5.09
Dan O'Brien
Career
Per 9 Innings
6.42
6.42
Jason Simontacchi
Careerverified
Per 9 Inningsverified
5.23
5.23
Dan O'Brien
Careerverified
Per 9 Inningsverified
3.62
3.62
Jason Simontacchi
Career
Per 9 Innings
5.19
5.19
Dan O'Brien
Career
Per 9 Innings
0.35
0.35
Jason Simontacchi
Careerverified
Per 9 Inningsverified
0.288
0.288
Dan O'Brien
Career
Per 9 Innings
87
27
Jason Simontacchi
Careerverified
Per 9 Innings
1067
27
Dan O'Brien
Career
Per 9 Innings
29
9
Jason Simontacchi
Careerverified
Per 9 Innings
355.2
9
Dan O'Brien
Careerverified
Per 9 Innings
43
13.34
Jason Simontacchi
Career
Per 9 Inningsverified
399
10.1
Dan O'Brien
Career
Per 9 Innings
13.34
13.34
Jason Simontacchi
Careerverified
Per 9 Inningsverified
10.1
10.1
Dan O'Brien
Careerverified
Per 9 Inningsverified
1
0.31
Jason Simontacchi
Career
Per 9 Innings
57
1.44
Dan O'Brien
Careerverified
Per 9 Inningsverified
0.31
0.31
Jason Simontacchi
Career
Per 9 Innings
1.44
1.44
Dan O'Brien
Careerverified
Per 9 Inningsverified
0.08
0.08
Jason Simontacchi
Career
Per 9 Innings
0.59
0.59
Dan O'Brien
Careerverified
Per 9 Innings
11
3.41
Jason Simontacchi
Career
Per 9 Inningsverified
125
3.16
Dan O'Brien
Careerverified
Per 9 Innings
2
0.62
Jason Simontacchi
Career
Per 9 Inningsverified
8
0.2
Dan O'Brien
Career
Per 9 Innings
3.41
3.41
Jason Simontacchi
Careerverified
Per 9 Inningsverified
3.16
3.16
Dan O'Brien
Career
Per 9 Inningsverified
17
5.28
Jason Simontacchi
Careerverified
Per 9 Innings
191
4.83
Dan O'Brien
Careerverified
Per 9 Inningsverified
5.28
5.28
Jason Simontacchi
Career
Per 9 Innings
4.83
4.83
Dan O'Brien
Career
Per 9 Innings
1.31
1.31
Jason Simontacchi
Careerverified
Per 9 Inningsverified
1.99
1.99
Dan O'Brien
Careerverified
Per 9 Inningsverified
0.966
0.966
Jason Simontacchi
Career
Per 9 Innings
0.889
0.889
Dan O'Brien
Careerverified
Per 9 Inningsverified
0
0
Jason Simontacchi
Career
Per 9 Innings
6
0.15
Dan O'Brien
Careerverified
Per 9 Innings
2
0.62
Jason Simontacchi
Career
Per 9 Inningsverified
15
0.38
Dan O'Brien
Career
Per 9 Innings
1
0.31
Jason Simontacchi
Careerverified
Per 9 Inningsverified
0
0
Dan O'Brien
Career
Per 9 Inningsverified
141
43.76
Jason Simontacchi
Careerverified
Per 9 Innings
1552
39.27
Dan O'Brien
Career
Per 9 Inningsverified
5
1.55
Jason Simontacchi
Careerverified
Per 9 Innings
13
0.33
Dan O'Brien
Careerverified
Per 9 Innings
22
6.83
Jason Simontacchi
Career
Per 9 Inningsverified
213
5.39
Dan O'Brien
Career
Per 9 Innings
6.83
6.83
Jason Simontacchi
Careerverified
Per 9 Inningsverified
5.39
5.39
Dan O'Brien
Careerverified
Per 9 Innings
2
0.62
Jason Simontacchi
Career
Per 9 Inningsverified
14
0.35
Dan O'Brien
Careerverified
Per 9 Innings
3
0.93
Jason Simontacchi
Career
Per 9 Inningsverified
13
0.33
Dan O'Brien
Career
Per 9 Innings
0
0
Jason Simontacchi
Careerverified
Per 9 Inningsverified
37
0.94
Dan O'Brien
Career
Per 9 Innings
1.862
1.862
Jason Simontacchi
Careerverified
Per 9 Inningsverified
1.473
1.473
Dan O'Brien
Career
Per 9 Inningsverified
123
38.17
Jason Simontacchi
Careerverified
Per 9 Innings
1385
35.05
Dan O'Brien
Careerverified
Per 9 Inningsverified
1.69
1.69
Jason Simontacchi
Career
Per 9 Innings
2.22
2.22
Dan O'Brien
Career
Per 9 Innings
0.4
0.4
Jason Simontacchi
Careerverified
Per 9 Inningsverified
0.301
0.301
Dan O'Brien
Careerverified
Per 9 Inningsverified
43.76
43.76
Jason Simontacchi
Career
Per 9 Innings
39.27
39.27

Fielding Stats for Dan O'Brien and Jason Simontacchi

Dan O'Brien
Career
Per 9 Innings
2
2
Jason Simontacchi
Careerverified
Per 9 Inningsverified
4
4
Dan O'Brien
Career
Per 9 Inningsverified
13
4.03
Jason Simontacchi
Careerverified
Per 9 Innings
97
2.45
Dan O'Brien
Career
Per 9 Innings
2
0.62
Jason Simontacchi
Careerverified
Per 9 Inningsverified
53
1.34
Dan O'Brien
Career
Per 9 Innings
87
27
Jason Simontacchi
Careerverified
Per 9 Innings
1070
27
Dan O'Brien
Career
Per 9 Innings
29
9
Jason Simontacchi
Careerverified
Per 9 Innings
356.2
9
Dan O'Brien
Career
Per 9 Innings
0
0
Jason Simontacchi
Careerverified
Per 9 Inningsverified
31
0.78
Dan O'Brien
Career
Per 9 Innings
2
0.62
Jason Simontacchi
Careerverified
Per 9 Inningsverified
55
1.39
Dan O'Brien
Careerverified
Per 9 Inningsverified
0
0
Jason Simontacchi
Career
Per 9 Innings
2
0.05
Dan O'Brien
Career
Per 9 Innings
2
0.62
Jason Simontacchi
Careerverified
Per 9 Inningsverified
88
2.22
Dan O'Brien
Career
Per 9 Innings
2
0.62
Jason Simontacchi
Careerverified
Per 9 Inningsverified
86
2.17
Dan O'Brien
Careerverified
Per 9 Inningsverified
100
100
Jason Simontacchi
Career
Per 9 Innings
97.73
97.73
Dan O'Brien
Career
Per 9 Innings
0.154
0.154
Jason Simontacchi
Careerverified
Per 9 Inningsverified
0.887
0.887
Dan O'Brien
Career
Per 9 Innings
15.38
15.38
Jason Simontacchi
Careerverified
Per 9 Inningsverified
54.64
54.64
Dan O'Brien
Career
Per 9 Innings
0
0
Jason Simontacchi
Careerverified
Per 9 Inningsverified
9
0.23
Dan O'Brien
Career
Per 9 Innings
0
0
Jason Simontacchi
Career
Per 9 Innings
0
0
Dan O'Brien
Career
Per 9 Innings
0
0
Jason Simontacchi
Career
Per 9 Innings
0
0
Dan O'Brien
Career
Per 9 Innings
0
0
Jason Simontacchi
Career
Per 9 Innings
0
0
Dan O'Brien
Career
Per 9 Innings
0
0
Jason Simontacchi
Career
Per 9 Innings
0
0

Hitting Stats for Dan O'Brien and Jason Simontacchi

Dan O'Brien
Career
Per 600 PA
2
2
Jason Simontacchi
Careerverified
Per 600 PAverified
4
4
Dan O'Brien
Career
Per 600 PAverified
13
1300
Jason Simontacchi
Careerverified
Per 600 PA
101
522.41
Dan O'Brien
Career
Per 600 PA
6
600
Jason Simontacchi
Careerverified
Per 600 PA
116
600
Dan O'Brien
Career
Per 600 PA
5
500
Jason Simontacchi
Careerverified
Per 600 PAverified
109
563.79
Dan O'Brien
Career
Per 600 PA
0
0
Jason Simontacchi
Careerverified
Per 600 PAverified
0.174
0.174
Dan O'Brien
Career
Per 600 PA
0.167
0.167
Jason Simontacchi
Careerverified
Per 600 PAverified
0.405
0.405
Dan O'Brien
Career
Per 600 PA
0
0
Jason Simontacchi
Careerverified
Per 600 PAverified
19
98.28
Dan O'Brien
Career
Per 600 PA
0
0
Jason Simontacchi
Careerverified
Per 600 PAverified
18
93.1
Dan O'Brien
Career
Per 600 PA
0
0
Jason Simontacchi
Careerverified
Per 600 PAverified
1
5.17
Dan O'Brien
Career
Per 600 PA
0
0
Jason Simontacchi
Career
Per 600 PA
0
0
Dan O'Brien
Career
Per 600 PA
0
0
Jason Simontacchi
Career
Per 600 PA
0
0
Dan O'Brien
Career
Per 600 PA
0
0
Jason Simontacchi
Careerverified
Per 600 PAverified
1
5.17
Dan O'Brien
Career
Per 600 PA
Jason Simontacchi
Careerverified
Per 600 PAverified
0.053
0.053
Dan O'Brien
Career
Per 600 PA
0
0
Jason Simontacchi
Career
Per 600 PA
0
0
Dan O'Brien
Career
Per 600 PA
Jason Simontacchi
Career
Per 600 PA
0
0
Dan O'Brien
Career
Per 600 PA
0
0
Jason Simontacchi
Careerverified
Per 600 PAverified
3.58
18.5
Dan O'Brien
Career
Per 600 PA
0
0
Jason Simontacchi
Careerverified
Per 600 PAverified
20
103.45
Dan O'Brien
Career
Per 600 PA
0
0
Jason Simontacchi
Careerverified
Per 600 PAverified
21
108.62
Dan O'Brien
Career
Per 600 PA
0
0
Jason Simontacchi
Careerverified
Per 600 PAverified
0.189
0.189
Dan O'Brien
Career
Per 600 PA
0
0
Jason Simontacchi
Careerverified
Per 600 PAverified
0.184
0.184
Dan O'Brien
Career
Per 600 PA
0
0
Jason Simontacchi
Careerverified
Per 600 PAverified
0.373
0.373
Dan O'Brien
Career
Per 600 PA
0
0
Jason Simontacchi
Careerverified
Per 600 PAverified
0.009
0.009
Dan O'Brien
Career
Per 600 PA
0
0
Jason Simontacchi
Careerverified
Per 600 PAverified
0.131
0.131
Dan O'Brien
Career
Per 600 PA
0
0
Jason Simontacchi
Careerverified
Per 600 PAverified
0.244
0.244
Dan O'Brien
Career
Per 600 PA
0
0
Jason Simontacchi
Careerverified
Per 600 PAverified
0.253
0.253
Dan O'Brien
Career
Per 600 PA
0
0
Jason Simontacchi
Careerverified
Per 600 PAverified
10
51.72
Dan O'Brien
Career
Per 600 PA
0
0
Jason Simontacchi
Careerverified
Per 600 PAverified
2
10.34
Dan O'Brien
Career
Per 600 PA
0
0
Jason Simontacchi
Careerverified
Per 600 PAverified
12
62.07
Dan O'Brien
Career
Per 600 PA
-0.47
-46.88
Jason Simontacchi
Careerverified
Per 600 PAverified
2.82
14.58
Dan O'Brien
Career
Per 600 PA
0
0
Jason Simontacchi
Career
Per 600 PA
0
0
Dan O'Brien
Career
Per 600 PA
0
0
Jason Simontacchi
Careerverified
Per 600 PAverified
2
10.34
Dan O'Brien
Career
Per 600 PA
0
0
Jason Simontacchi
Career
Per 600 PA
0
0
Dan O'Brien
Careerverified
Per 600 PAverified
0
0
Jason Simontacchi
Career
Per 600 PA
34
175.86
Dan O'Brien
Career
Per 600 PA
Jason Simontacchi
Careerverified
Per 600 PAverified
3.41
3.41
Dan O'Brien
Career
Per 600 PA
Jason Simontacchi
Careerverified
Per 600 PAverified
0.06
0.06
Dan O'Brien
Career
Per 600 PAverified
1
100
Jason Simontacchi
Careerverified
Per 600 PA
5
25.86
Dan O'Brien
Career
Per 600 PA
0
0
Jason Simontacchi
Career
Per 600 PA
0
0
Dan O'Brien
Career
Per 600 PA
0
0
Jason Simontacchi
Career
Per 600 PA
0
0
Dan O'Brien
Career
Per 600 PA
0
0
Jason Simontacchi
Career
Per 600 PA
0
0
Dan O'Brien
Career
Per 600 PA
0
0
Jason Simontacchi
Career
Per 600 PA
0
0
Dan O'Brien
Career
Per 600 PA
0
0
Jason Simontacchi
Career
Per 600 PA
0
0
Dan O'Brien
Career
Per 600 PA
Jason Simontacchi
Career
Per 600 PA