Bill Irwin vs. Robert Moore — Career Comparison

Looking at the career totals, Bill Irwin and Robert Moore are fairly close on the surface numbers. Robert Moore posted stronger numbers in ERA (0 vs 5.82) and home runs allowed (0 per nine innings vs 1.06). Bill Irwin had the advantage in WHIP (1.529 vs 2.000). By the career numbers, Robert Moore had the better of this comparison — though ERA and WHIP alone don't account for era, park factors, or the defenses each pitcher worked behind.