Casey Janssen vs. Roy Walker — Career Comparison

Roy Walker built a career as a starting pitcher and Casey Janssen as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Casey Janssen posted stronger surface numbers — ERA 3.63 and WHIP 1.238 compared to 3.99 and 1.459 for Roy Walker. By the career numbers, Casey Janssen had the better of this cross-role comparison — though era context would sharpen the verdict.