Dave Gassner vs. Michael Wacha — Career Comparison

Looking at the career totals, Dave Gassner and Michael Wacha are fairly close on the surface numbers. Michael Wacha had the edge in ERA (3.89 vs 5.87). By the career numbers, Michael Wacha 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.