Dave Haas vs. Matt Williams — Career Comparison

Looking at the career totals, Dave Haas and Matt Williams are fairly close on the surface numbers. Dave Haas posted stronger numbers in ERA (4.84 vs 5.29) and home runs allowed (1.61 per nine innings vs 2.12). Matt Williams had the advantage in WHIP (1.471 vs 1.654). By the career numbers, Dave Haas 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.