Jimmy Key vs. Jeff Plympton — Career Comparison

Jimmy Key built a career as a starting pitcher and Jeff Plympton as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jeff Plympton posted stronger surface numbers — ERA 0 and WHIP 1.688 compared to 3.51 and 1.241 for Jimmy Key. By the career numbers, Jeff Plympton had the better of this cross-role comparison — though era context would sharpen the verdict.