Mark Johnson vs. Lefty Sullivan — Career Comparison

Mark Johnson built a career as a starting pitcher and Lefty Sullivan as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Lefty Sullivan posted stronger surface numbers — ERA 4.26 and WHIP 1.421 compared to 7.5 and 1.750 for Mark Johnson. By the career numbers, Lefty Sullivan had the better of this cross-role comparison — though era context would sharpen the verdict.