Jeff Gray vs. Red Swanson — Career Comparison

On the career pitching numbers, Jeff Gray posted a stronger line than Red Swanson. Jeff Gray posted stronger numbers in ERA (3.33 vs 4.9) and WHIP (1.167 vs 1.587). By the career numbers, Jeff Gray 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.