Jaye Chapman vs. Brian Keyser — Career Comparison

On the career pitching numbers, Jaye Chapman posted a stronger line than Brian Keyser. Jaye Chapman posted stronger numbers in ERA (3.75 vs 4.97) and home runs allowed (0 per nine innings vs 0.77). By the career numbers, Jaye Chapman 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.