Ron Keller vs. Emil Kush — Career Comparison

Looking at the career totals, Ron Keller and Emil Kush are fairly close on the surface numbers. Emil Kush posted stronger numbers in WHIP (1.392 vs 1.453) and home runs allowed (0.62 per nine innings vs 1.27). Ron Keller had the advantage in ERA (3.38 vs 3.48). By the career numbers, Emil Kush 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.