J. D. Hammer vs. Phil Maton — Career Comparison

On the career pitching numbers, Phil Maton posted a stronger line than J. D. Hammer. Phil Maton posted stronger numbers in ERA (3.98 vs 4.38) and WHIP (1.281 vs 1.538). By the career numbers, Phil Maton 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.