Rich Folkers vs. Sammy Peralta — Career Comparison

On the career pitching numbers, Rich Folkers posted a stronger line than Sammy Peralta. Rich Folkers posted stronger numbers in ERA (4.11 vs 5.12) and WHIP (1.456 vs 1.774). By the career numbers, Rich Folkers 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.