Brian Schmack vs. John Shaffer — Career Comparison

Looking at the career totals, Brian Schmack and John Shaffer are fairly close on the surface numbers. Brian Schmack posted stronger numbers in ERA (3.46 vs 4.57) and WHIP (1.385 vs 1.492). John Shaffer had the advantage in home runs allowed (0.15 per nine innings vs 0.69). 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.