John DeSilva vs. Jim Umbarger — Career Comparison

On the career pitching numbers, Jim Umbarger posted a stronger line than John DeSilva. Jim Umbarger posted stronger numbers in ERA (4.14 vs 7.2) and WHIP (1.520 vs 1.600). By the career numbers, Jim Umbarger 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.