Williams Jerez vs. Brian Schmack — Career Comparison

On the career pitching numbers, Brian Schmack posted a stronger line than Williams Jerez. Brian Schmack posted stronger numbers in ERA (3.46 vs 5.33) and WHIP (1.385 vs 1.816). By the career numbers, Brian Schmack 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.