Walter Johnson vs. Jack O'Connor — Career Comparison

Walter Johnson built a career as a starting pitcher and Jack O'Connor as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Walter Johnson posted stronger surface numbers — ERA 2.17 and WHIP 1.061 compared to 4.89 and 1.657 for Jack O'Connor. By the career numbers, Walter Johnson had the better of this cross-role comparison — though era context would sharpen the verdict.