Frank Bates vs. Mark Filley — Career Comparison

Looking at the career totals, Frank Bates and Mark Filley are fairly close on the surface numbers. Frank Bates posted stronger numbers in ERA (6.33 vs 27) and WHIP (2.082 vs 6.000). Mark Filley had the advantage in home runs allowed (0 per nine innings vs 0.28). By the career numbers, Frank Bates 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.