Jack Armstrong vs. John Malarkey — Career Comparison

Jack Armstrong built a career as a starting pitcher and John Malarkey as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. John Malarkey posted stronger surface numbers — ERA 3.64 and WHIP 1.512 compared to 4.58 and 1.458 for Jack Armstrong. By the career numbers, John Malarkey had the better of this cross-role comparison — though era context would sharpen the verdict.