Frank Bates vs. Jean Machi — Career Comparison

Looking at the career totals, Frank Bates and Jean Machi are fairly close on the surface numbers. Jean Machi posted stronger numbers in ERA (3.38 vs 6.33) and WHIP (1.184 vs 2.082). Frank Bates had the advantage in home runs allowed (0.28 per nine innings vs 0.85). By the career numbers, Jean Machi 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.