Michael Grove vs. Sandy Koufax — Career Comparison

On the career pitching numbers, Sandy Koufax posted a stronger line than Michael Grove. Sandy Koufax posted stronger numbers in ERA (2.76 vs 5.48) and WHIP (1.127 vs 1.386). By the career numbers, Sandy Koufax 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.