William Matthews vs. Zach McAllister — Career Comparison

Looking at the career totals, William Matthews and Zach McAllister are fairly close on the surface numbers. William Matthews posted stronger numbers in ERA (3.24 vs 4.15) and home runs allowed (0.54 per nine innings vs 1.07). Zach McAllister had the advantage in WHIP (1.412 vs 1.560). By the career numbers, William Matthews 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.