Jack Armstrong vs. John Foley — Career Comparison

Jack Armstrong built a career as a starting pitcher and John Foley as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. John Foley posted stronger surface numbers — ERA 4.5 and WHIP 1.375 compared to 4.58 and 1.458 for Jack Armstrong. By the career numbers, John Foley had the better of this cross-role comparison — though era context would sharpen the verdict.