Bill Essick vs. Ray Herbert — Career Comparison

On the career pitching numbers, Bill Essick posted a stronger line than Ray Herbert. Bill Essick posted stronger numbers in ERA (2.95 vs 4.01) and home runs allowed (0.15 per nine innings vs 0.8). By the career numbers, Bill Essick 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.