Jack Armstrong vs. Art Decatur — Career Comparison

Jack Armstrong built a career as a starting pitcher and Art Decatur as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Art Decatur posted stronger surface numbers — ERA 4.51 and WHIP 1.482 compared to 4.58 and 1.458 for Jack Armstrong. By the career numbers, Art Decatur had the better of this cross-role comparison — though era context would sharpen the verdict.