Bill Fischer vs. Kyle Peterson — Career Comparison

Looking at the career totals, Bill Fischer and Kyle Peterson are fairly close on the surface numbers. Bill Fischer posted stronger numbers in ERA (4.34 vs 4.71) and WHIP (1.413 vs 1.516). Kyle Peterson had the advantage in home runs allowed (0.59 per nine innings vs 0.93). By the career numbers, Bill Fischer 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.