Casey Janssen vs. Tom Williams — Career Comparison

Tom Williams 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. Tom Williams posted stronger surface numbers — ERA 2.93 and WHIP 1.141 compared to 3.63 and 1.238 for Casey Janssen. By the career numbers, Tom Williams had the better of this cross-role comparison — though era context would sharpen the verdict.