Chris Reitsma vs. William Zay — Career Comparison

Looking at the career totals, Chris Reitsma and William Zay are fairly close on the surface numbers. Chris Reitsma posted stronger numbers in ERA (4.7 vs 9) and WHIP (1.456 vs 4.000). William Zay had the advantage in home runs allowed (0 per nine innings vs 1.12). By the career numbers, Chris Reitsma 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.