Frank Bates vs. Butch Metzger — Career Comparison

Looking at the career totals, Frank Bates and Butch Metzger are fairly close on the surface numbers. Butch Metzger posted stronger numbers in ERA (3.74 vs 6.33) and WHIP (1.582 vs 2.082). Frank Bates had the advantage in home runs allowed (0.28 per nine innings vs 0.71). By the career numbers, Butch Metzger 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.