Willie Gisentaner vs. Zac Grotz — Career Comparison

Willie Gisentaner built a career as a starting pitcher and Zac Grotz as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Willie Gisentaner posted stronger surface numbers — ERA 5.14 and WHIP 1.494 compared to 7.3 and 1.824 for Zac Grotz. By the career numbers, Willie Gisentaner had the better of this cross-role comparison — though era context would sharpen the verdict.