Matt Grott vs. Bruce Zimmermann — Career Comparison

Bruce Zimmermann built a career as a starting pitcher and Matt Grott as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Bruce Zimmermann posted stronger surface numbers — ERA 5.64 and WHIP 1.460 compared to 21.6 and 3.600 for Matt Grott. By the career numbers, Bruce Zimmermann had the better of this cross-role comparison — though era context would sharpen the verdict.