Hideki Okajima vs. Sammy Peralta — Career Comparison

On the career pitching numbers, Hideki Okajima posted a stronger line than Sammy Peralta. Hideki Okajima posted stronger numbers in ERA (3.09 vs 5.12) and WHIP (1.314 vs 1.774). By the career numbers, Hideki Okajima 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.