Rudy Arroyo vs. Brad Keller — Career Comparison

Rudy Arroyo
Baby BoomersNew YorkThrows LeftBats LeftNorth AmericaSt. Louis CardinalsNational LeagueRelief Pitcher
Brad Keller
MillenialGeorgiaThrows RightBats RightNorth AmericaChicago CubsNational LeagueStarting Pitcher

Brad Keller built a career as a starting pitcher and Rudy Arroyo as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Brad Keller posted stronger surface numbers — ERA 4.14 and WHIP 1.414 compared to 5.4 and 2.057 for Rudy Arroyo. By the career numbers, Brad Keller had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Rudy Arroyo and Brad Keller

Rudy Arroyo
Career
Per 9 Innings
1
1
Brad Keller
Careerverified
Per 9 Inningsverified
8
8
Rudy Arroyo
Career
Per 9 Inningsverified
9
6.94
Brad Keller
Careerverified
Per 9 Innings
234
2.67
Rudy Arroyo
Career
Per 9 Innings
0
0
Brad Keller
Careerverified
Per 9 Inningsverified
117
1.33
Rudy Arroyo
Career
Per 9 Innings
0
0
Brad Keller
Careerverified
Per 9 Inningsverified
42
0.48
Rudy Arroyo
Careerverified
Per 9 Innings
1
0.77
Brad Keller
Career
Per 9 Inningsverified
59
0.67
Rudy Arroyo
Career
Per 9 Innings
0
0
Brad Keller
Careerverified
Per 9 Inningsverified
41.58
41.58
Rudy Arroyo
Career
Per 9 Innings
0
0
Brad Keller
Careerverified
Per 9 Inningsverified
50
50
Rudy Arroyo
Career
Per 9 Innings
0
0
Brad Keller
Careerverified
Per 9 Inningsverified
2
0.02
Rudy Arroyo
Career
Per 9 Innings
0
0
Brad Keller
Careerverified
Per 9 Inningsverified
1
0.01
Rudy Arroyo
Career
Per 9 Innings
0
0
Brad Keller
Careerverified
Per 9 Inningsverified
5
0.06
Rudy Arroyo
Careerverified
Per 9 Innings
7
5.4
Brad Keller
Career
Per 9 Inningsverified
363
4.14
Rudy Arroyo
Career
Per 9 Innings
5.4
5.4
Brad Keller
Careerverified
Per 9 Inningsverified
4.14
4.14
Rudy Arroyo
Career
Per 9 Innings
8.22
8.22
Brad Keller
Careerverified
Per 9 Inningsverified
4.22
4.22
Rudy Arroyo
Career
Per 9 Innings
5.66
5.66
Brad Keller
Careerverified
Per 9 Inningsverified
4.1
4.1
Rudy Arroyo
Career
Per 9 Innings
0.375
0.375
Brad Keller
Careerverified
Per 9 Inningsverified
0.256
0.256
Rudy Arroyo
Career
Per 9 Innings
35
27
Brad Keller
Careerverified
Per 9 Innings
2370
27
Rudy Arroyo
Career
Per 9 Innings
11.2
9
Brad Keller
Careerverified
Per 9 Innings
790
9
Rudy Arroyo
Careerverified
Per 9 Innings
18
13.89
Brad Keller
Career
Per 9 Inningsverified
772
8.79
Rudy Arroyo
Career
Per 9 Innings
13.89
13.89
Brad Keller
Careerverified
Per 9 Inningsverified
8.79
8.79
Rudy Arroyo
Careerverified
Per 9 Innings
2
1.54
Brad Keller
Career
Per 9 Inningsverified
75
0.85
Rudy Arroyo
Career
Per 9 Innings
1.54
1.54
Brad Keller
Careerverified
Per 9 Inningsverified
0.85
0.85
Rudy Arroyo
Careerverified
Per 9 Inningsverified
0.22
0.22
Brad Keller
Career
Per 9 Innings
0.32
0.32
Rudy Arroyo
Careerverified
Per 9 Inningsverified
5
3.86
Brad Keller
Career
Per 9 Innings
340
3.87
Rudy Arroyo
Careerverified
Per 9 Innings
1
0.77
Brad Keller
Career
Per 9 Inningsverified
5
0.06
Rudy Arroyo
Careerverified
Per 9 Inningsverified
3.86
3.86
Brad Keller
Career
Per 9 Innings
3.87
3.87
Rudy Arroyo
Career
Per 9 Innings
5
3.86
Brad Keller
Careerverified
Per 9 Inningsverified
613
6.98
Rudy Arroyo
Career
Per 9 Innings
3.86
3.86
Brad Keller
Careerverified
Per 9 Inningsverified
6.98
6.98
Rudy Arroyo
Career
Per 9 Innings
0.56
0.56
Brad Keller
Careerverified
Per 9 Inningsverified
2.62
2.62
Rudy Arroyo
Career
Per 9 Innings
0.857
0.857
Brad Keller
Careerverified
Per 9 Inningsverified
1.206
1.206
Rudy Arroyo
Careerverified
Per 9 Innings
1
0.77
Brad Keller
Career
Per 9 Inningsverified
45
0.51
Rudy Arroyo
Careerverified
Per 9 Inningsverified
0
0
Brad Keller
Career
Per 9 Innings
33
0.38
Rudy Arroyo
Careerverified
Per 9 Inningsverified
0
0
Brad Keller
Career
Per 9 Innings
1
0.01
Rudy Arroyo
Career
Per 9 Inningsverified
55
42.43
Brad Keller
Careerverified
Per 9 Innings
3416
38.92
Rudy Arroyo
Career
Per 9 Inningsverified
3
2.31
Brad Keller
Careerverified
Per 9 Innings
28
0.32
Rudy Arroyo
Careerverified
Per 9 Innings
8
6.17
Brad Keller
Career
Per 9 Inningsverified
393
4.48
Rudy Arroyo
Career
Per 9 Innings
6.17
6.17
Brad Keller
Careerverified
Per 9 Inningsverified
4.48
4.48
Rudy Arroyo
Careerverified
Per 9 Innings
1
0.77
Brad Keller
Career
Per 9 Inningsverified
4
0.05
Rudy Arroyo
Careerverified
Per 9 Innings
1
0.77
Brad Keller
Career
Per 9 Inningsverified
25
0.28
Rudy Arroyo
Career
Per 9 Innings
0
0
Brad Keller
Careerverified
Per 9 Inningsverified
98
1.12
Rudy Arroyo
Career
Per 9 Innings
1.971
1.971
Brad Keller
Careerverified
Per 9 Inningsverified
1.408
1.408
Rudy Arroyo
Career
Per 9 Inningsverified
48
37.03
Brad Keller
Careerverified
Per 9 Innings
3014
34.34
Rudy Arroyo
Careerverified
Per 9 Inningsverified
0.89
0.89
Brad Keller
Career
Per 9 Innings
1.68
1.68
Rudy Arroyo
Career
Per 9 Innings
0.39
0.39
Brad Keller
Careerverified
Per 9 Inningsverified
0.3
0.3
Rudy Arroyo
Careerverified
Per 9 Inningsverified
42.43
42.43
Brad Keller
Career
Per 9 Innings
38.92
38.92

Fielding Stats for Rudy Arroyo and Brad Keller

Rudy Arroyo
Career
Per 9 Innings
1
1
Brad Keller
Careerverified
Per 9 Inningsverified
8
8
Rudy Arroyo
Career
Per 9 Inningsverified
9
6.75
Brad Keller
Careerverified
Per 9 Innings
234
2.67
Rudy Arroyo
Career
Per 9 Innings
0
0
Brad Keller
Careerverified
Per 9 Inningsverified
117
1.33
Rudy Arroyo
Career
Per 9 Innings
36
27
Brad Keller
Careerverified
Per 9 Innings
2370
27
Rudy Arroyo
Career
Per 9 Innings
12
9
Brad Keller
Careerverified
Per 9 Innings
790
9
Rudy Arroyo
Career
Per 9 Innings
0
0
Brad Keller
Careerverified
Per 9 Inningsverified
42
0.48
Rudy Arroyo
Career
Per 9 Innings
1
0.75
Brad Keller
Careerverified
Per 9 Inningsverified
73
0.83
Rudy Arroyo
Careerverified
Per 9 Inningsverified
0
0
Brad Keller
Career
Per 9 Innings
4
0.05
Rudy Arroyo
Career
Per 9 Innings
1
0.75
Brad Keller
Careerverified
Per 9 Inningsverified
119
1.36
Rudy Arroyo
Career
Per 9 Innings
1
0.75
Brad Keller
Careerverified
Per 9 Inningsverified
115
1.31
Rudy Arroyo
Careerverified
Per 9 Inningsverified
100
100
Brad Keller
Career
Per 9 Innings
96.64
96.64
Rudy Arroyo
Career
Per 9 Innings
0.111
0.111
Brad Keller
Careerverified
Per 9 Inningsverified
0.492
0.492
Rudy Arroyo
Career
Per 9 Innings
0
0
Brad Keller
Careerverified
Per 9 Inningsverified
50
50
Rudy Arroyo
Career
Per 9 Innings
0
0
Brad Keller
Careerverified
Per 9 Inningsverified
6
0.07
Rudy Arroyo
Career
Per 9 Innings
0
0
Brad Keller
Career
Per 9 Innings
0
0
Rudy Arroyo
Career
Per 9 Innings
0
0
Brad Keller
Career
Per 9 Innings
0
0
Rudy Arroyo
Career
Per 9 Innings
0
0
Brad Keller
Career
Per 9 Innings
0
0
Rudy Arroyo
Career
Per 9 Innings
0
0
Brad Keller
Career
Per 9 Innings
0
0

Hitting Stats for Rudy Arroyo and Brad Keller

Rudy Arroyo
Career
Per 600 PA
1
1
Brad Keller
Careerverified
Per 600 PAverified
8
8
Rudy Arroyo
Career
Per 600 PA
9
5400
Brad Keller
Careerverified
Per 600 PAverified
234
7020
Rudy Arroyo
Career
Per 600 PA
1
600
Brad Keller
Careerverified
Per 600 PA
20
600
Rudy Arroyo
Career
Per 600 PAverified
1
600
Brad Keller
Careerverified
Per 600 PA
16
480
Rudy Arroyo
Career
Per 600 PA
0
0
Brad Keller
Careerverified
Per 600 PAverified
0.125
0.125
Rudy Arroyo
Career
Per 600 PA
0
0
Brad Keller
Careerverified
Per 600 PAverified
0.425
0.425
Rudy Arroyo
Career
Per 600 PA
0
0
Brad Keller
Careerverified
Per 600 PAverified
2
60
Rudy Arroyo
Career
Per 600 PA
0
0
Brad Keller
Careerverified
Per 600 PAverified
2
60
Rudy Arroyo
Career
Per 600 PA
0
0
Brad Keller
Career
Per 600 PA
0
0
Rudy Arroyo
Career
Per 600 PA
0
0
Brad Keller
Career
Per 600 PA
0
0
Rudy Arroyo
Career
Per 600 PA
0
0
Brad Keller
Career
Per 600 PA
0
0
Rudy Arroyo
Career
Per 600 PA
0
0
Brad Keller
Career
Per 600 PA
0
0
Rudy Arroyo
Career
Per 600 PA
Brad Keller
Career
Per 600 PA
0
0
Rudy Arroyo
Career
Per 600 PA
0
0
Brad Keller
Career
Per 600 PA
0
0
Rudy Arroyo
Career
Per 600 PA
Brad Keller
Career
Per 600 PA
0
0
Rudy Arroyo
Career
Per 600 PA
0
0
Brad Keller
Careerverified
Per 600 PAverified
0.35
10.6
Rudy Arroyo
Career
Per 600 PA
0
0
Brad Keller
Careerverified
Per 600 PAverified
2
60
Rudy Arroyo
Career
Per 600 PA
0
0
Brad Keller
Careerverified
Per 600 PAverified
3
90
Rudy Arroyo
Career
Per 600 PA
0
0
Brad Keller
Careerverified
Per 600 PAverified
0.177
0.177
Rudy Arroyo
Career
Per 600 PA
0
0
Brad Keller
Careerverified
Per 600 PAverified
0.125
0.125
Rudy Arroyo
Career
Per 600 PA
0
0
Brad Keller
Careerverified
Per 600 PAverified
0.302
0.302
Rudy Arroyo
Career
Per 600 PA
0
0
Brad Keller
Career
Per 600 PA
0
0
Rudy Arroyo
Career
Per 600 PA
0
0
Brad Keller
Careerverified
Per 600 PAverified
0.111
0.111
Rudy Arroyo
Career
Per 600 PA
0
0
Brad Keller
Careerverified
Per 600 PAverified
0.214
0.214
Rudy Arroyo
Career
Per 600 PA
Brad Keller
Careerverified
Per 600 PAverified
0.286
0.286
Rudy Arroyo
Career
Per 600 PA
0
0
Brad Keller
Careerverified
Per 600 PAverified
1
30
Rudy Arroyo
Career
Per 600 PA
0
0
Brad Keller
Careerverified
Per 600 PAverified
1
30
Rudy Arroyo
Career
Per 600 PA
0
0
Brad Keller
Careerverified
Per 600 PAverified
2
60
Rudy Arroyo
Career
Per 600 PA
-0.11
-66.4
Brad Keller
Careerverified
Per 600 PAverified
0.11
3.2
Rudy Arroyo
Career
Per 600 PA
0
0
Brad Keller
Career
Per 600 PA
0
0
Rudy Arroyo
Career
Per 600 PA
0
0
Brad Keller
Careerverified
Per 600 PAverified
1
30
Rudy Arroyo
Career
Per 600 PA
0
0
Brad Keller
Career
Per 600 PA
0
0
Rudy Arroyo
Careerverified
Per 600 PA
1
600
Brad Keller
Career
Per 600 PAverified
9
270
Rudy Arroyo
Career
Per 600 PA
1
1
Brad Keller
Careerverified
Per 600 PAverified
2.22
2.22
Rudy Arroyo
Career
Per 600 PA
0
0
Brad Keller
Careerverified
Per 600 PAverified
0.11
0.11
Rudy Arroyo
Career
Per 600 PA
0
0
Brad Keller
Careerverified
Per 600 PAverified
3
90
Rudy Arroyo
Career
Per 600 PA
0
0
Brad Keller
Career
Per 600 PA
0
0
Rudy Arroyo
Career
Per 600 PA
0
0
Brad Keller
Career
Per 600 PA
0
0
Rudy Arroyo
Career
Per 600 PA
0
0
Brad Keller
Career
Per 600 PA
0
0
Rudy Arroyo
Career
Per 600 PA
0
0
Brad Keller
Career
Per 600 PA
0
0
Rudy Arroyo
Career
Per 600 PA
0
0
Brad Keller
Career
Per 600 PA
0
0
Rudy Arroyo
Career
Per 600 PA
Brad Keller
Career
Per 600 PA