Zack Weiss vs. Scott Williamson — Career Comparison

Looking at the career totals, Zack Weiss and Scott Williamson are fairly close on the surface numbers. Scott Williamson posted stronger numbers in ERA (3.36 vs 4.61) and home runs allowed (0.72 per nine innings vs 2.63). Zack Weiss had the advantage in WHIP (1.280 vs 1.357). By the career numbers, Scott Williamson 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.