John Firth vs. Kumar Rocker — Career Comparison

Kumar Rocker built a career as a starting pitcher and John Firth as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Kumar Rocker posted stronger surface numbers — ERA 5.45 and WHIP 1.474 compared to 8 and 2.111 for John Firth. By the career numbers, Kumar Rocker had the better of this cross-role comparison — though era context would sharpen the verdict.