Sean Doolittle vs. Len Swormstedt — Career Comparison

Len Swormstedt built a career as a starting pitcher and Sean Doolittle as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Len Swormstedt posted stronger surface numbers — ERA 2.22 and WHIP 1.046 compared to 3.2 and 1.045 for Sean Doolittle. By the career numbers, Len Swormstedt had the better of this cross-role comparison — though era context would sharpen the verdict.