Oliver Perez vs. Willis Roberts — Career Comparison

Oliver Perez
MillenialMexicoThrows LeftBats LeftNorth AmericaCleveland GuardiansAmerican LeagueStarting Pitcher
Willis Roberts
Gen XD.R.Throws RightBats RightCaribbeanBaltimore OriolesAmerican LeagueRelief Pitcher

Oliver Perez built a career as a starting pitcher and Willis Roberts as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Willis Roberts led in home run suppression (HR9+ 113 vs 77), walk avoidance (BB%+ 100 vs 65), and skill-based run prevention (DICE+ 94 vs 87). Oliver Perez held the edge in strikeout rate (K%+ 131 vs 87). Role difference aside, Willis Roberts holds a clear edge on every meaningful shared measure.

Pitching Stats for Oliver Perez and Willis Roberts

Oliver Perez
Careerverified
Per 9 Inningsverified
20
20
Willis Roberts
Career
Per 9 Innings
5
5
Oliver Perez
Careerverified
Per 9 Innings
703
4.32
Willis Roberts
Career
Per 9 Inningsverified
148
5.13
Oliver Perez
Careerverified
Per 9 Inningsverified
195
1.2
Willis Roberts
Career
Per 9 Innings
18
0.62
Oliver Perez
Careerverified
Per 9 Innings
74
0.45
Willis Roberts
Career
Per 9 Inningsverified
17
0.59
Oliver Perez
Career
Per 9 Innings
94
0.58
Willis Roberts
Careerverified
Per 9 Inningsverified
15
0.52
Oliver Perez
Career
Per 9 Innings
44.05
44.05
Willis Roberts
Careerverified
Per 9 Inningsverified
53.13
53.13
Oliver Perez
Careerverified
Per 9 Inningsverified
27.74
27.74
Willis Roberts
Career
Per 9 Innings
12.16
12.16
Oliver Perez
Careerverified
Per 9 Innings
3
0.02
Willis Roberts
Career
Per 9 Inningsverified
1
0.03
Oliver Perez
Careerverified
Per 9 Inningsverified
2
0.01
Willis Roberts
Career
Per 9 Innings
0
0
Oliver Perez
Career
Per 9 Innings
5
0.03
Willis Roberts
Careerverified
Per 9 Inningsverified
7
0.24
Oliver Perez
Career
Per 9 Inningsverified
712
4.37
Willis Roberts
Careerverified
Per 9 Innings
134
4.64
Oliver Perez
Careerverified
Per 9 Inningsverified
4.37
4.37
Willis Roberts
Career
Per 9 Innings
4.64
4.64
Oliver Perez
Careerverified
Per 9 Inningsverified
4.49
4.49
Willis Roberts
Career
Per 9 Innings
4.97
4.97
Oliver Perez
Careerverified
Per 9 Inningsverified
4.39
4.39
Willis Roberts
Career
Per 9 Innings
4.56
4.56
Oliver Perez
Careerverified
Per 9 Inningsverified
0.243
0.243
Willis Roberts
Career
Per 9 Innings
0.274
0.274
Oliver Perez
Careerverified
Per 9 Innings
4397
27
Willis Roberts
Career
Per 9 Innings
779
27
Oliver Perez
Careerverified
Per 9 Innings
1465.2
9
Willis Roberts
Career
Per 9 Innings
259.2
9
Oliver Perez
Career
Per 9 Inningsverified
1336
8.2
Willis Roberts
Careerverified
Per 9 Innings
277
9.6
Oliver Perez
Careerverified
Per 9 Inningsverified
8.2
8.2
Willis Roberts
Career
Per 9 Innings
9.6
9.6
Oliver Perez
Career
Per 9 Innings
198
1.22
Willis Roberts
Careerverified
Per 9 Inningsverified
27
0.94
Oliver Perez
Career
Per 9 Innings
1.22
1.22
Willis Roberts
Careerverified
Per 9 Inningsverified
0.94
0.94
Oliver Perez
Career
Per 9 Innings
0.28
0.28
Willis Roberts
Careerverified
Per 9 Inningsverified
0.18
0.18
Oliver Perez
Career
Per 9 Innings
762
4.68
Willis Roberts
Careerverified
Per 9 Inningsverified
112
3.88
Oliver Perez
Career
Per 9 Innings
40
0.25
Willis Roberts
Careerverified
Per 9 Inningsverified
6
0.21
Oliver Perez
Career
Per 9 Innings
4.68
4.68
Willis Roberts
Careerverified
Per 9 Inningsverified
3.88
3.88
Oliver Perez
Careerverified
Per 9 Inningsverified
1546
9.49
Willis Roberts
Career
Per 9 Innings
179
6.2
Oliver Perez
Careerverified
Per 9 Inningsverified
9.49
9.49
Willis Roberts
Career
Per 9 Innings
6.2
6.2
Oliver Perez
Careerverified
Per 9 Inningsverified
2.2
2.2
Willis Roberts
Career
Per 9 Innings
1.21
1.21
Oliver Perez
Careerverified
Per 9 Inningsverified
1.575
1.575
Willis Roberts
Career
Per 9 Innings
1.121
1.121
Oliver Perez
Career
Per 9 Inningsverified
58
0.36
Willis Roberts
Careerverified
Per 9 Innings
13
0.45
Oliver Perez
Career
Per 9 Inningsverified
88
0.54
Willis Roberts
Careerverified
Per 9 Innings
25
0.87
Oliver Perez
Career
Per 9 Inningsverified
8
0.05
Willis Roberts
Careerverified
Per 9 Innings
2
0.07
Oliver Perez
Careerverified
Per 9 Innings
6464
39.69
Willis Roberts
Career
Per 9 Inningsverified
1165
40.38
Oliver Perez
Careerverified
Per 9 Innings
84
0.52
Willis Roberts
Career
Per 9 Inningsverified
54
1.87
Oliver Perez
Career
Per 9 Inningsverified
783
4.81
Willis Roberts
Careerverified
Per 9 Innings
146
5.06
Oliver Perez
Careerverified
Per 9 Inningsverified
4.81
4.81
Willis Roberts
Career
Per 9 Innings
5.06
5.06
Oliver Perez
Career
Per 9 Innings
56
0.34
Willis Roberts
Careerverified
Per 9 Inningsverified
7
0.24
Oliver Perez
Career
Per 9 Inningsverified
54
0.33
Willis Roberts
Careerverified
Per 9 Innings
11
0.38
Oliver Perez
Careerverified
Per 9 Innings
109
0.67
Willis Roberts
Career
Per 9 Inningsverified
21
0.73
Oliver Perez
Careerverified
Per 9 Inningsverified
1.431
1.431
Willis Roberts
Career
Per 9 Innings
1.498
1.498
Oliver Perez
Careerverified
Per 9 Innings
5504
33.8
Willis Roberts
Career
Per 9 Inningsverified
1010
35.01
Oliver Perez
Career
Per 9 Innings
1.11
1.11
Willis Roberts
Careerverified
Per 9 Inningsverified
0.99
0.99
Oliver Perez
Careerverified
Per 9 Inningsverified
0.303
0.303
Willis Roberts
Career
Per 9 Innings
0.311
0.311
Oliver Perez
Career
Per 9 Innings
39.69
39.69
Willis Roberts
Careerverified
Per 9 Inningsverified
40.38
40.38

Fielding Stats for Oliver Perez and Willis Roberts

Oliver Perez
Careerverified
Per 9 Inningsverified
20
20
Willis Roberts
Career
Per 9 Innings
5
5
Oliver Perez
Careerverified
Per 9 Innings
703
4.32
Willis Roberts
Career
Per 9 Inningsverified
148
5.13
Oliver Perez
Careerverified
Per 9 Inningsverified
195
1.2
Willis Roberts
Career
Per 9 Innings
18
0.62
Oliver Perez
Careerverified
Per 9 Innings
4397
27
Willis Roberts
Career
Per 9 Innings
779
27
Oliver Perez
Careerverified
Per 9 Innings
1465.2
9
Willis Roberts
Career
Per 9 Innings
259.2
9
Oliver Perez
Careerverified
Per 9 Innings
38
0.23
Willis Roberts
Career
Per 9 Inningsverified
15
0.52
Oliver Perez
Careerverified
Per 9 Innings
150
0.92
Willis Roberts
Career
Per 9 Inningsverified
39
1.35
Oliver Perez
Career
Per 9 Inningsverified
11
0.07
Willis Roberts
Careerverified
Per 9 Innings
5
0.17
Oliver Perez
Careerverified
Per 9 Innings
199
1.22
Willis Roberts
Career
Per 9 Inningsverified
59
2.04
Oliver Perez
Careerverified
Per 9 Innings
188
1.15
Willis Roberts
Career
Per 9 Inningsverified
54
1.87
Oliver Perez
Careerverified
Per 9 Inningsverified
94.47
94.47
Willis Roberts
Career
Per 9 Innings
91.53
91.53
Oliver Perez
Career
Per 9 Innings
0.267
0.267
Willis Roberts
Careerverified
Per 9 Inningsverified
0.365
0.365
Oliver Perez
Careerverified
Per 9 Inningsverified
27.74
27.74
Willis Roberts
Career
Per 9 Innings
12.16
12.16
Oliver Perez
Careerverified
Per 9 Inningsverified
11
0.07
Willis Roberts
Career
Per 9 Innings
1
0.03
Oliver Perez
Career
Per 9 Innings
0
0
Willis Roberts
Career
Per 9 Innings
0
0
Oliver Perez
Career
Per 9 Innings
0
0
Willis Roberts
Career
Per 9 Innings
0
0
Oliver Perez
Career
Per 9 Innings
0
0
Willis Roberts
Career
Per 9 Innings
0
0
Oliver Perez
Career
Per 9 Innings
0
0
Willis Roberts
Career
Per 9 Innings
0
0

Hitting Stats for Oliver Perez and Willis Roberts

Oliver Perez
Careerverified
Per 600 PAverified
20
20
Willis Roberts
Career
Per 600 PA
5
5
Oliver Perez
Careerverified
Per 600 PA
705
1060.15
Willis Roberts
Career
Per 600 PAverified
148
14800
Oliver Perez
Careerverified
Per 600 PA
399
600
Willis Roberts
Career
Per 600 PA
6
600
Oliver Perez
Careerverified
Per 600 PAverified
344
517.29
Willis Roberts
Career
Per 600 PA
5
500
Oliver Perez
Career
Per 600 PA
0.163
0.163
Willis Roberts
Careerverified
Per 600 PAverified
0.2
0.2
Oliver Perez
Career
Per 600 PA
0.446
0.446
Willis Roberts
Careerverified
Per 600 PAverified
0.5
0.5
Oliver Perez
Careerverified
Per 600 PA
56
84.21
Willis Roberts
Career
Per 600 PAverified
1
100
Oliver Perez
Careerverified
Per 600 PA
54
81.2
Willis Roberts
Career
Per 600 PAverified
1
100
Oliver Perez
Careerverified
Per 600 PAverified
2
3.01
Willis Roberts
Career
Per 600 PA
0
0
Oliver Perez
Career
Per 600 PA
0
0
Willis Roberts
Career
Per 600 PA
0
0
Oliver Perez
Career
Per 600 PA
0
0
Willis Roberts
Career
Per 600 PA
0
0
Oliver Perez
Careerverified
Per 600 PAverified
2
3.01
Willis Roberts
Career
Per 600 PA
0
0
Oliver Perez
Careerverified
Per 600 PAverified
0.036
0.036
Willis Roberts
Career
Per 600 PA
0
0
Oliver Perez
Career
Per 600 PA
0
0
Willis Roberts
Career
Per 600 PA
0
0
Oliver Perez
Career
Per 600 PA
0
0
Willis Roberts
Career
Per 600 PA
0
0
Oliver Perez
Careerverified
Per 600 PA
10.94
16.45
Willis Roberts
Career
Per 600 PAverified
0.18
18.03
Oliver Perez
Careerverified
Per 600 PA
58
87.22
Willis Roberts
Career
Per 600 PAverified
1
100
Oliver Perez
Careerverified
Per 600 PAverified
70
105.26
Willis Roberts
Career
Per 600 PA
1
100
Oliver Perez
Career
Per 600 PA
0.194
0.194
Willis Roberts
Careerverified
Per 600 PAverified
0.2
0.2
Oliver Perez
Career
Per 600 PA
0.169
0.169
Willis Roberts
Careerverified
Per 600 PAverified
0.2
0.2
Oliver Perez
Career
Per 600 PA
0.363
0.363
Willis Roberts
Careerverified
Per 600 PAverified
0.4
0.4
Oliver Perez
Careerverified
Per 600 PAverified
0.006
0.006
Willis Roberts
Career
Per 600 PA
0
0
Oliver Perez
Career
Per 600 PA
0.13
0.13
Willis Roberts
Careerverified
Per 600 PAverified
0.14
0.14
Oliver Perez
Careerverified
Per 600 PAverified
0.258
0.258
Willis Roberts
Career
Per 600 PA
0.25
0.25
Oliver Perez
Career
Per 600 PA
0.244
0.244
Willis Roberts
Careerverified
Per 600 PAverified
1
1
Oliver Perez
Careerverified
Per 600 PAverified
14
21.05
Willis Roberts
Career
Per 600 PA
0
0
Oliver Perez
Careerverified
Per 600 PAverified
15
22.56
Willis Roberts
Career
Per 600 PA
0
0
Oliver Perez
Careerverified
Per 600 PAverified
29
43.61
Willis Roberts
Career
Per 600 PA
0
0
Oliver Perez
Careerverified
Per 600 PA
8.67
13.04
Willis Roberts
Career
Per 600 PAverified
0.18
18.45
Oliver Perez
Career
Per 600 PA
0
0
Willis Roberts
Career
Per 600 PA
0
0
Oliver Perez
Careerverified
Per 600 PAverified
14
21.05
Willis Roberts
Career
Per 600 PA
0
0
Oliver Perez
Career
Per 600 PA
0
0
Willis Roberts
Career
Per 600 PA
0
0
Oliver Perez
Career
Per 600 PAverified
116
174.44
Willis Roberts
Careerverified
Per 600 PA
4
400
Oliver Perez
Careerverified
Per 600 PAverified
3.44
3.44
Willis Roberts
Career
Per 600 PA
1.5
1.5
Oliver Perez
Careerverified
Per 600 PAverified
0.12
0.12
Willis Roberts
Career
Per 600 PA
0
0
Oliver Perez
Careerverified
Per 600 PA
39
58.65
Willis Roberts
Career
Per 600 PAverified
1
100
Oliver Perez
Careerverified
Per 600 PAverified
2
3.01
Willis Roberts
Career
Per 600 PA
0
0
Oliver Perez
Career
Per 600 PA
2
3.01
Willis Roberts
Careerverified
Per 600 PAverified
0
0
Oliver Perez
Careerverified
Per 600 PAverified
3
4.51
Willis Roberts
Career
Per 600 PA
0
0
Oliver Perez
Careerverified
Per 600 PAverified
1
1.5
Willis Roberts
Career
Per 600 PA
0
0
Oliver Perez
Careerverified
Per 600 PAverified
4
6.02
Willis Roberts
Career
Per 600 PA
0
0
Oliver Perez
Careerverified
Per 600 PAverified
75
75
Willis Roberts
Career
Per 600 PA