Wily Peralta vs. Andrew Saalfrank — Career Comparison

Wily Peralta built a career as a starting pitcher and Andrew Saalfrank as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Andrew Saalfrank posted stronger surface numbers — ERA 1.79 and WHIP 1.215 compared to 4.29 and 1.458 for Wily Peralta. By the career numbers, Andrew Saalfrank had the better of this cross-role comparison — though era context would sharpen the verdict.