Jason Johnson vs. Aaron Looper — Career Comparison

Jason Johnson
Gen XCaliforniaThrows RightBats RightNorth AmericaBaltimore OriolesAmerican LeagueStarting Pitcher
Aaron Looper
Gen XOklahomaThrows RightBats RightNorth AmericaSeattle MarinersAmerican LeagueRelief Pitcher

Jason Johnson built a career as a starting pitcher and Aaron Looper as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jason Johnson posted stronger surface numbers — ERA 4.99 and WHIP 1.506 compared to 5.14 and 1.286 for Aaron Looper. By the career numbers, Jason Johnson had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Jason Johnson and Aaron Looper

Jason Johnson
Careerverified
Per 9 Inningsverified
11
11
Aaron Looper
Career
Per 9 Innings
1
1
Jason Johnson
Careerverified
Per 9 Innings
255
1.69
Aaron Looper
Career
Per 9 Inningsverified
6
7.71
Jason Johnson
Careerverified
Per 9 Inningsverified
221
1.47
Aaron Looper
Career
Per 9 Innings
0
0
Jason Johnson
Careerverified
Per 9 Inningsverified
56
0.37
Aaron Looper
Career
Per 9 Innings
0
0
Jason Johnson
Career
Per 9 Innings
100
0.66
Aaron Looper
Careerverified
Per 9 Inningsverified
0
0
Jason Johnson
Careerverified
Per 9 Inningsverified
35.9
35.9
Aaron Looper
Career
Per 9 Innings
Jason Johnson
Careerverified
Per 9 Inningsverified
86.67
86.67
Aaron Looper
Career
Per 9 Innings
0
0
Jason Johnson
Careerverified
Per 9 Inningsverified
6
0.04
Aaron Looper
Career
Per 9 Innings
0
0
Jason Johnson
Careerverified
Per 9 Inningsverified
1
0.01
Aaron Looper
Career
Per 9 Innings
0
0
Jason Johnson
Career
Per 9 Innings
0
0
Aaron Looper
Career
Per 9 Innings
0
0
Jason Johnson
Career
Per 9 Inningsverified
753
4.99
Aaron Looper
Careerverified
Per 9 Innings
4
5.14
Jason Johnson
Careerverified
Per 9 Inningsverified
4.99
4.99
Aaron Looper
Career
Per 9 Innings
5.14
5.14
Jason Johnson
Career
Per 9 Innings
5.04
5.04
Aaron Looper
Careerverified
Per 9 Inningsverified
4.73
4.73
Jason Johnson
Career
Per 9 Innings
4.77
4.77
Aaron Looper
Careerverified
Per 9 Inningsverified
4.43
4.43
Jason Johnson
Career
Per 9 Innings
0.283
0.283
Aaron Looper
Careerverified
Per 9 Inningsverified
0.269
0.269
Jason Johnson
Careerverified
Per 9 Innings
4071
27
Aaron Looper
Career
Per 9 Innings
21
27
Jason Johnson
Careerverified
Per 9 Innings
1357
9
Aaron Looper
Career
Per 9 Innings
7
9
Jason Johnson
Career
Per 9 Innings
1521
10.09
Aaron Looper
Careerverified
Per 9 Inningsverified
7
9
Jason Johnson
Career
Per 9 Innings
10.09
10.09
Aaron Looper
Careerverified
Per 9 Inningsverified
9
9
Jason Johnson
Career
Per 9 Inningsverified
181
1.2
Aaron Looper
Careerverified
Per 9 Innings
1
1.29
Jason Johnson
Careerverified
Per 9 Inningsverified
1.2
1.2
Aaron Looper
Career
Per 9 Innings
1.29
1.29
Jason Johnson
Career
Per 9 Innings
0.71
0.71
Aaron Looper
Careerverified
Per 9 Inningsverified
0.17
0.17
Jason Johnson
Career
Per 9 Innings
498
3.3
Aaron Looper
Careerverified
Per 9 Inningsverified
2
2.57
Jason Johnson
Career
Per 9 Innings
25
0.17
Aaron Looper
Careerverified
Per 9 Inningsverified
0
0
Jason Johnson
Career
Per 9 Innings
3.3
3.3
Aaron Looper
Careerverified
Per 9 Inningsverified
2.57
2.57
Jason Johnson
Careerverified
Per 9 Innings
810
5.37
Aaron Looper
Career
Per 9 Inningsverified
6
7.71
Jason Johnson
Career
Per 9 Innings
5.37
5.37
Aaron Looper
Careerverified
Per 9 Inningsverified
7.71
7.71
Jason Johnson
Careerverified
Per 9 Inningsverified
3.18
3.18
Aaron Looper
Career
Per 9 Innings
1
1
Jason Johnson
Career
Per 9 Innings
0.964
0.964
Aaron Looper
Careerverified
Per 9 Inningsverified
1.143
1.143
Jason Johnson
Career
Per 9 Innings
65
0.43
Aaron Looper
Careerverified
Per 9 Inningsverified
0
0
Jason Johnson
Career
Per 9 Inningsverified
57
0.38
Aaron Looper
Careerverified
Per 9 Innings
1
1.29
Jason Johnson
Career
Per 9 Innings
2
0.01
Aaron Looper
Careerverified
Per 9 Inningsverified
0
0
Jason Johnson
Careerverified
Per 9 Inningsverified
5996
39.77
Aaron Looper
Career
Per 9 Innings
29
37.29
Jason Johnson
Careerverified
Per 9 Innings
8
0.05
Aaron Looper
Career
Per 9 Inningsverified
3
3.86
Jason Johnson
Career
Per 9 Innings
831
5.51
Aaron Looper
Careerverified
Per 9 Inningsverified
4
5.14
Jason Johnson
Career
Per 9 Innings
5.51
5.51
Aaron Looper
Careerverified
Per 9 Inningsverified
5.14
5.14
Jason Johnson
Career
Per 9 Innings
27
0.18
Aaron Looper
Careerverified
Per 9 Inningsverified
0
0
Jason Johnson
Career
Per 9 Innings
46
0.31
Aaron Looper
Careerverified
Per 9 Inningsverified
0
0
Jason Johnson
Careerverified
Per 9 Innings
141
0.94
Aaron Looper
Career
Per 9 Inningsverified
1
1.29
Jason Johnson
Career
Per 9 Innings
1.488
1.488
Aaron Looper
Careerverified
Per 9 Inningsverified
1.286
1.286
Jason Johnson
Careerverified
Per 9 Inningsverified
5368
35.6
Aaron Looper
Career
Per 9 Innings
26
33.43
Jason Johnson
Career
Per 9 Innings
3.26
3.26
Aaron Looper
Careerverified
Per 9 Inningsverified
0.67
0.67
Jason Johnson
Careerverified
Per 9 Inningsverified
0.306
0.306
Aaron Looper
Career
Per 9 Innings
0.316
0.316
Jason Johnson
Careerverified
Per 9 Inningsverified
39.77
39.77
Aaron Looper
Career
Per 9 Innings
37.29
37.29

Fielding Stats for Jason Johnson and Aaron Looper

Jason Johnson
Careerverified
Per 9 Inningsverified
11
11
Aaron Looper
Career
Per 9 Innings
1
1
Jason Johnson
Careerverified
Per 9 Innings
255
1.69
Aaron Looper
Career
Per 9 Inningsverified
6
7.71
Jason Johnson
Careerverified
Per 9 Inningsverified
221
1.47
Aaron Looper
Career
Per 9 Innings
0
0
Jason Johnson
Careerverified
Per 9 Innings
4071
27
Aaron Looper
Career
Per 9 Innings
21
27
Jason Johnson
Careerverified
Per 9 Innings
1357
9
Aaron Looper
Career
Per 9 Innings
7
9
Jason Johnson
Careerverified
Per 9 Inningsverified
57
0.38
Aaron Looper
Career
Per 9 Innings
0
0
Jason Johnson
Careerverified
Per 9 Innings
133
0.88
Aaron Looper
Career
Per 9 Inningsverified
1
1.29
Jason Johnson
Career
Per 9 Innings
17
0.11
Aaron Looper
Careerverified
Per 9 Inningsverified
0
0
Jason Johnson
Careerverified
Per 9 Inningsverified
207
1.37
Aaron Looper
Career
Per 9 Innings
1
1.29
Jason Johnson
Careerverified
Per 9 Innings
190
1.26
Aaron Looper
Career
Per 9 Inningsverified
1
1.29
Jason Johnson
Career
Per 9 Innings
91.79
91.79
Aaron Looper
Careerverified
Per 9 Inningsverified
100
100
Jason Johnson
Careerverified
Per 9 Inningsverified
0.745
0.745
Aaron Looper
Career
Per 9 Innings
0.167
0.167
Jason Johnson
Careerverified
Per 9 Inningsverified
86.67
86.67
Aaron Looper
Career
Per 9 Innings
0
0
Jason Johnson
Careerverified
Per 9 Inningsverified
9
0.06
Aaron Looper
Career
Per 9 Innings
0
0
Jason Johnson
Career
Per 9 Innings
0
0
Aaron Looper
Career
Per 9 Innings
0
0
Jason Johnson
Career
Per 9 Innings
0
0
Aaron Looper
Career
Per 9 Innings
0
0
Jason Johnson
Career
Per 9 Innings
0
0
Aaron Looper
Career
Per 9 Innings
0
0
Jason Johnson
Career
Per 9 Innings
0
0
Aaron Looper
Career
Per 9 Innings
0
0

Hitting Stats for Jason Johnson and Aaron Looper

Jason Johnson
Careerverified
Per 600 PAverified
11
11
Aaron Looper
Career
Per 600 PA
1
Jason Johnson
Careerverified
Per 600 PAverified
255
4026.32
Aaron Looper
Career
Per 600 PA
6
Jason Johnson
Careerverified
Per 600 PAverified
38
600
Aaron Looper
Career
Per 600 PA
0
Jason Johnson
Careerverified
Per 600 PAverified
32
505.26
Aaron Looper
Career
Per 600 PA
0
Jason Johnson
Careerverified
Per 600 PAverified
0.094
0.094
Aaron Looper
Career
Per 600 PA
Jason Johnson
Careerverified
Per 600 PAverified
0.421
0.421
Aaron Looper
Career
Per 600 PA
Jason Johnson
Careerverified
Per 600 PAverified
3
47.37
Aaron Looper
Career
Per 600 PA
0
Jason Johnson
Careerverified
Per 600 PAverified
2
31.58
Aaron Looper
Career
Per 600 PA
0
Jason Johnson
Career
Per 600 PA
0
0
Aaron Looper
Career
Per 600 PA
0
Jason Johnson
Career
Per 600 PA
0
0
Aaron Looper
Career
Per 600 PA
0
Jason Johnson
Careerverified
Per 600 PAverified
1
15.79
Aaron Looper
Career
Per 600 PA
0
Jason Johnson
Careerverified
Per 600 PAverified
1
15.79
Aaron Looper
Career
Per 600 PA
0
Jason Johnson
Careerverified
Per 600 PAverified
0.333
0.333
Aaron Looper
Career
Per 600 PA
Jason Johnson
Careerverified
Per 600 PAverified
0.031
0.031
Aaron Looper
Career
Per 600 PA
Jason Johnson
Careerverified
Per 600 PAverified
0.333
0.333
Aaron Looper
Career
Per 600 PA
Jason Johnson
Careerverified
Per 600 PAverified
1.38
21.86
Aaron Looper
Career
Per 600 PA
Jason Johnson
Careerverified
Per 600 PAverified
6
94.74
Aaron Looper
Career
Per 600 PA
0
Jason Johnson
Careerverified
Per 600 PAverified
5
78.95
Aaron Looper
Career
Per 600 PA
0
Jason Johnson
Careerverified
Per 600 PAverified
0.147
0.147
Aaron Looper
Career
Per 600 PA
Jason Johnson
Careerverified
Per 600 PAverified
0.188
0.188
Aaron Looper
Career
Per 600 PA
Jason Johnson
Careerverified
Per 600 PAverified
0.335
0.335
Aaron Looper
Career
Per 600 PA
Jason Johnson
Careerverified
Per 600 PAverified
0.094
0.094
Aaron Looper
Career
Per 600 PA
Jason Johnson
Careerverified
Per 600 PAverified
0.113
0.113
Aaron Looper
Career
Per 600 PA
Jason Johnson
Careerverified
Per 600 PAverified
0.267
0.267
Aaron Looper
Career
Per 600 PA
Jason Johnson
Careerverified
Per 600 PAverified
0.182
0.182
Aaron Looper
Career
Per 600 PA
Jason Johnson
Careerverified
Per 600 PAverified
2
31.58
Aaron Looper
Career
Per 600 PA
0
Jason Johnson
Careerverified
Per 600 PAverified
1
15.79
Aaron Looper
Career
Per 600 PA
0
Jason Johnson
Careerverified
Per 600 PAverified
2
31.58
Aaron Looper
Career
Per 600 PA
0
Jason Johnson
Careerverified
Per 600 PAverified
-0.25
-3.88
Aaron Looper
Career
Per 600 PA
Jason Johnson
Career
Per 600 PA
0
0
Aaron Looper
Career
Per 600 PA
0
Jason Johnson
Careerverified
Per 600 PAverified
2
31.58
Aaron Looper
Career
Per 600 PA
0
Jason Johnson
Career
Per 600 PA
0
0
Aaron Looper
Career
Per 600 PA
0
Jason Johnson
Career
Per 600 PA
20
315.79
Aaron Looper
Careerverified
Per 600 PAverified
0
Jason Johnson
Careerverified
Per 600 PAverified
1.9
1.9
Aaron Looper
Career
Per 600 PA
Jason Johnson
Careerverified
Per 600 PAverified
0.1
0.1
Aaron Looper
Career
Per 600 PA
Jason Johnson
Careerverified
Per 600 PAverified
4
63.16
Aaron Looper
Career
Per 600 PA
0
Jason Johnson
Career
Per 600 PA
0
0
Aaron Looper
Career
Per 600 PA
0
Jason Johnson
Career
Per 600 PA
1
15.79
Aaron Looper
Careerverified
Per 600 PAverified
0
Jason Johnson
Career
Per 600 PA
0
0
Aaron Looper
Career
Per 600 PA
0
Jason Johnson
Career
Per 600 PA
0
0
Aaron Looper
Career
Per 600 PA
0
Jason Johnson
Career
Per 600 PA
0
0
Aaron Looper
Career
Per 600 PA
0
Jason Johnson
Career
Per 600 PA
Aaron Looper
Career
Per 600 PA