Bob Grim vs. Mutt Williams — Career Comparison

On the career pitching numbers, Bob Grim posted a stronger line than Mutt Williams. Bob Grim posted stronger numbers in ERA (3.61 vs 4.91) and home runs allowed (0.59 per nine innings vs 0.82). By the career numbers, Bob Grim 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.