Mike Anderson vs. Fred Hayner — Career Comparison

Looking at the career totals, Mike Anderson and Fred Hayner are fairly close on the surface numbers. Fred Hayner posted stronger numbers in ERA (13.5 vs 18.56) and home runs allowed (4.5 per nine innings vs 5.06). Mike Anderson had the advantage in WHIP (2.813 vs 3.000). By the career numbers, Fred Hayner 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.