Kyle Peterson vs. Josh Winckowski — Career Comparison

Kyle Peterson built a career as a starting pitcher and Josh Winckowski as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Josh Winckowski posted stronger surface numbers — ERA 4.2 and WHIP 1.490 compared to 4.71 and 1.516 for Kyle Peterson. By the career numbers, Josh Winckowski had the better of this cross-role comparison — though era context would sharpen the verdict.