Mark Fidrych vs. Tom Knowlson — Career Comparison

Looking at the career totals, Mark Fidrych and Tom Knowlson are fairly close on the surface numbers. Mark Fidrych posted stronger numbers in ERA (3.1 vs 3.49) and WHIP (1.225 vs 1.579). Tom Knowlson had the advantage in home runs allowed (0.09 per nine innings vs 0.5). By the career numbers, Mark Fidrych 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.