Clay Christiansen vs. Mark Filley — Career Comparison

Looking at the career totals, Clay Christiansen and Mark Filley are fairly close on the surface numbers. Clay Christiansen posted stronger numbers in ERA (6.05 vs 27) and WHIP (1.603 vs 6.000). Mark Filley had the advantage in home runs allowed (0 per nine innings vs 0.93). By the career numbers, Clay Christiansen 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.