Ronald Bolanos vs. Zack Weiss — Career Comparison
Ronald Bolanos built a career as a starting pitcher and Zack Weiss as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Zack Weiss posted stronger surface numbers — ERA 4.61 and WHIP 1.280 compared to 5.25 and 1.646 for Ronald Bolanos. By the career numbers, Zack Weiss had the better of this cross-role comparison — though era context would sharpen the verdict.
Pitching Stats for Ronald Bolanos and Zack Weiss
Ronald Bolanos
Career
Per 9 Innings
18
3.38
Zack Weiss
Career
Per 9 Innings
25
8.23
Ronald Bolanos
Career
Per 9 Innings
28
5.25
Zack Weiss
Career
Per 9 Innings
14
4.61
Ronald Bolanos
Career
Per 9 Innings
5.25
5.25
Zack Weiss
Career
Per 9 Innings
4.61
4.61
Ronald Bolanos
Career
Per 9 Innings
5.8
5.8
Zack Weiss
Career
Per 9 Innings
4.13
4.13
Ronald Bolanos
Career
Per 9 Innings
5.23
5.23
Zack Weiss
Career
Per 9 Innings
6.26
6.26
Ronald Bolanos
Career
Per 9 Innings
0.266
0.266
Zack Weiss
Career
Per 9 Innings
0.184
0.184
Ronald Bolanos
Career
Per 9 Innings
144
27
Zack Weiss
Career
Per 9 Innings
82
27
Ronald Bolanos
Career
Per 9 Innings
48
9
Zack Weiss
Career
Per 9 Innings
27.1
9
Ronald Bolanos
Career
Per 9 Innings
9.19
9.19
Zack Weiss
Career
Per 9 Innings
5.93
5.93
Ronald Bolanos
Career
Per 9 Innings
7
1.31
Zack Weiss
Career
Per 9 Innings
8
2.63
Ronald Bolanos
Career
Per 9 Innings
1.31
1.31
Zack Weiss
Career
Per 9 Innings
2.63
2.63
Ronald Bolanos
Career
Per 9 Innings
0.39
0.39
Zack Weiss
Career
Per 9 Innings
0.32
0.32
Ronald Bolanos
Career
Per 9 Innings
1
0.19
Zack Weiss
Career
Per 9 Innings
2
0.66
Ronald Bolanos
Career
Per 9 Innings
5.44
5.44
Zack Weiss
Career
Per 9 Innings
4.94
4.94
Ronald Bolanos
Career
Per 9 Innings
43
8.06
Zack Weiss
Career
Per 9 Innings
33
10.87
Ronald Bolanos
Career
Per 9 Innings
8.06
8.06
Zack Weiss
Career
Per 9 Innings
10.87
10.87
Ronald Bolanos
Career
Per 9 Innings
2.39
2.39
Zack Weiss
Career
Per 9 Innings
1.32
1.32
Ronald Bolanos
Career
Per 9 Innings
1.5
1.5
Zack Weiss
Career
Per 9 Innings
1.756
1.756
Ronald Bolanos
Career
Per 9 Innings
4
0.75
Zack Weiss
Career
Per 9 Innings
2
0.66
Ronald Bolanos
Career
Per 9 Innings
5
0.94
Zack Weiss
Career
Per 9 Innings
2
0.66
Ronald Bolanos
Career
Per 9 Innings
221
41.44
Zack Weiss
Career
Per 9 Innings
118
38.85
Ronald Bolanos
Career
Per 9 Innings
4
0.75
Zack Weiss
Career
Per 9 Innings
7
2.3
Ronald Bolanos
Career
Per 9 Innings
5.63
5.63
Zack Weiss
Career
Per 9 Innings
5.27
5.27
Ronald Bolanos
Career
Per 9 Innings
3
0.56
Zack Weiss
Career
Per 9 Innings
2
0.66
Ronald Bolanos
Career
Per 9 Innings
3
0.56
Zack Weiss
Career
Per 9 Innings
0
0
Ronald Bolanos
Career
Per 9 Innings
1.625
1.625
Zack Weiss
Career
Per 9 Innings
1.207
1.207
Ronald Bolanos
Career
Per 9 Innings
184
34.5
Zack Weiss
Career
Per 9 Innings
98
32.27
Ronald Bolanos
Career
Per 9 Innings
1.67
1.67
Zack Weiss
Career
Per 9 Innings
0.64
0.64
Ronald Bolanos
Career
Per 9 Innings
0.313
0.313
Zack Weiss
Career
Per 9 Innings
0.175
0.175
Ronald Bolanos
Career
Per 9 Innings
41.44
41.44
Zack Weiss
Career
Per 9 Innings
38.85
38.85
Fielding Stats for Ronald Bolanos and Zack Weiss
Ronald Bolanos
Career
Per 9 Innings
18
3.38
Zack Weiss
Career
Per 9 Innings
25
8.23
Ronald Bolanos
Career
Per 9 Innings
144
27
Zack Weiss
Career
Per 9 Innings
82
27
Ronald Bolanos
Career
Per 9 Innings
48
9
Zack Weiss
Career
Per 9 Innings
27.1
9
Ronald Bolanos
Career
Per 9 Innings
7
1.31
Zack Weiss
Career
Per 9 Innings
3
0.99
Ronald Bolanos
Career
Per 9 Innings
7
1.31
Zack Weiss
Career
Per 9 Innings
2
0.66
Ronald Bolanos
Career
Per 9 Innings
100
100
Zack Weiss
Career
Per 9 Innings
66.67
66.67
Ronald Bolanos
Career
Per 9 Innings
0.389
0.389
Zack Weiss
Career
Per 9 Innings
0.08
0.08
Hitting Stats for Ronald Bolanos and Zack Weiss
Ronald Bolanos
Career
Per 600 PA
1.25
1.25
Zack Weiss
Career
Per 600 PA