Art Doll vs. Dae-Sung Koo — Career Comparison

Art Doll built a career as a starting pitcher and Dae-Sung Koo as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Art Doll posted stronger surface numbers — ERA 3 and WHIP 1.667 compared to 3.91 and 1.565 for Dae-Sung Koo. By the career numbers, Art Doll had the better of this cross-role comparison — though era context would sharpen the verdict.