Michael Petersen vs. Mike Witt — Career Comparison

Mike Witt built a career as a starting pitcher and Michael Petersen as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Mike Witt posted stronger surface numbers — ERA 3.83 and WHIP 1.337 compared to 5.02 and 1.593 for Michael Petersen. By the career numbers, Mike Witt had the better of this cross-role comparison — though era context would sharpen the verdict.