Valerio De Los Santos vs. John Perkovich — Career Comparison

On the career pitching numbers, Valerio De Los Santos posted a stronger line than John Perkovich. Valerio De Los Santos posted stronger numbers in ERA (4.57 vs 7.2) and WHIP (1.434 vs 1.600). By the career numbers, Valerio De Los Santos 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.